NSO LEVEL-1 Booklet For Class-VI

Class 6 15th

Set A Year 2012

Class 6 | 15th NSO - SET A

2

Mental Ability (D) XXV A



(A) 10 cm2



(B) 30 cm2



(C) 12 cm2



(D) 21 cm2

3.

Number of unit cubes in the given figure is _____. (A) 25 (B) 26 (C) 27 (D) 28

1 cm

I

J 1 cm G

H 1 cm F

1 cm

The area of the adjoining figure is ______.

1 cm

1 cm D E

B

1 cm

2.

(C) XVIIX

1 cm

1. The value of XCII – LXV is ____. (A) XLIV (B) XXVII

C

1 of the total cows to his 4. A farmer has 11 cows. He purchased 5 more cows and wished to give 2 1 eldest son, to the middle son, and the remaining to the youngest son. The number of cows 4 each son (eldest to youngest) will get respectively is _____. (A) 8, 8, 4 (B) 4, 4, 8 (C) 4, 8, 4 (D) 8, 4, 4 5. The length of a rectangle is (a + b) cm and the breadth is (a – b) cm. If b = 65 – 2a, where a is 6.

the square of 5, then the area of the rectangle is _____. (A) 482 cm2 (B) 298 cm2 (C) 400 cm2

(D) 299 cm2

In the given question, there is a definite relationship between figures 1 and 3. Establish a similar relationship between figures 2 and 4 by selecting a suitable figure from the options that would replace the question mark (?) in figure 4.



(A)



(B)



(C)



7.

Kunal is facing the library. If he turns 270° anticlockwise he

(D)

will be facing _______.

(A) Train Station



(B) Community Centre

(C) Mall



(D) Church

3 8. In a class of 64 pupils, the ratio of the number of boys to the number of girls is 3 : 5. If of the 5 girls wear spectacles, how many girls do not wear spectacles ? (A) 16 girls (B) 19 girls (C) 15 girls (D) 24 girls 9. If 'orange' is called 'butter', 'butter' is called 'soap', 'soap' is called 'ink', 'ink' is called 'honey' and 'honey' is called 'orange', which of the following is used for washing clothes ? (A) Honey (B) Butter (C) Soap (D) Ink

Class 6 | 15th NSO - SET A

3 10.

Number of lines of symmetry can be drawn in the given figure is ______. (A) 5 (B) 2 (C) 3 (D) 4

11. Look at the given line graph carefully. The decrease in the number of members was the greatest in ______.

(A) 2001



(B) 2002



(C) 2003



(D) 2004

12. Simplify the given expression :

(–6) – [(–48) + (–12)] + (–2) – 6 + [(–12) ÷ (–3) × (–8)] (B) 12 (C) 14 (D) – 12

(A) – 14

13. At a sale, Mohit paid ` 129.40 for 8 files and 4 pens. If a file and a pen costs ` 24.50 altogether, the cost of each pen is ______. (A) ` 16.65 (B) ` 17.85 (C) ` 15.75 (D) ` 25 14. Three bells ring at intervals of 15, 20 and 30 minutes. If they all ring at 12 noon together, then time they ring together again is _____. (A) 12 p.m. (B) 1 p.m. (C) 2 p.m. (D) 12 : 55 p.m. 15. The correct mirror-image of the fig.(X), if the mirror is placed vertically left is _____.



(A)



(B)



(C)



(D)





science 16. In the game of football, a goalkeeper stops a ball. It is because (A) Friction between the ball and hand of goalkeeper (B) Decrease in speed of ball due to air resistance (C) Application of force by goalkeeper (D) All of these. 17. Which one of the following can be attracted by a magnet ?

(A)



(B)



(C)



(D)

X

18. A boy spins one wheel of an upturned bicycle and mud particles

fly off. Which one of the following arrows shows the direction of movement of the mud which comes off at position X?



(A)



(B)



(C)





(D)

Class 6 | 15th NSO - SET A

4 19.

Which of the following statements about the size of image formed in a plane mirror is wrong ? (A) The image can be taller than the mirror. (B) The height of the image depends on the distance of object from the mirror. (C) The width of the image is the same as the width of the object. (D) The height of image depends on the height of the object.

20. Sumit hangs a steel block on a spring. The block starts moving in the direction as shown in the figure. What force(s) is/are acting on the steel block ?

1. Elastic spring force 2. Frictional force 3. Gravitational force (A) 1 only (C) 1 and 3

Spring

Steel block

(B) 3 only (D) All 1, 2 and 3

21. A student tries to magnetise a short steel rod. Which of the following tests will show that he has

succeeded? (A) Both ends of a magnet attract the rod. (B) One end of a magnet repels the rod. (C) The rod picks up a small piece of paper. (D) When freely suspended, the rod points in any direction.

22.

Study the given diagram carefully and select the correct option. (A) Object X has rough surface. (B) Object X is a source of light. (C) Object X is made from a magnetic material. (D) Object X reflects light very well.

Light

Object X

23. Which feature of a solid object cannot be changed by the application of a force ? (A) Length (B) Mass (C) Shape (D) Speed 24. The two electrical circuits given here consist of similar bulbs and dry cells. Which of the following statements about the given circuits is correct? (A) The bulbs in circuit Q are brighter than those in circuit P when all the switches are closed. (B) If the middle bulb in circuit Q blows, at least one bulb will still be able to light up. (C) All the bulbs in circuit P will not light up when the switch is open. (D) One bulb in circuit P will light up when the switch is open. 25. A group of students carried out an experiment to find out how the force applied to pull the toy car up the ramp varied with the height of the ramp as shown in the given diagram. They varied the height by changing the number of the blocks.



(B)





0 Height of ramp

(C)

0 Height of ramp

Force

(A)

Force

Which one of the following graphs best illustrates their results ? Force



(D)

0 Height of ramp

26. A mixture contains tiny particles of three different Substances Properties of the particles substances P, Q and R. P, Q and R Same size and colour Which of the following methods will be suitable Heavy, insoluble and non-magnetic P for separation of components of the mixture? Light, insoluble and non-magnetic Q (A) Winnowing followed by magnetic separation Magnetic R (B) Filtration followed by magnetic separation (C) Sieving followed by sublimation (D) Hand picking followed by winnowing

Class 6 | 15th NSO - SET A

5 27.



Which statement do you think is correct regarding the given changes? (A) From X to Y the change is reversible while Y to Z the change is irreversible. (B) From X to Y the change is irreversible while Y to Z the change is irreversible. (C) From X to Y and Y to Z the changes are irreversible. (D) From X to Y and Y to Z the changes are reversible.

28. Diksha prepared the given flowchart for sorting the materials into different groups. Fill the blanks left by (i) (A) Glass (B) Sugar (C) Rubber (D) Rubber

her from the given options. (ii) (iii) (iv) (v) Sugar Rubber Honey Petrol Rubber Glass Petrol Honey Glass Sugar Honey Petrol Sugar Glass Honey Petrol

29. Jaya made a hole in the cap of a bottle and filled it with coloured water. She put a straw through the hole and kept the bottle in a pan of very hot water.

She observed that water starts coming out of the bottle in the form of a fountain and comes down when water cools down.



What does her experiment show ? (A) Air from the bottle comes out taking water with it. (B) Liquids expand on heating and contract on cooling. (C) The water changes into vapours and comes out of the bottle. (D) On heating, water vapours are converted into liquid which come out of the bottle.

30. Study the given figures carefully.

What can be inferred from these figures?



(A) The gas particles have very less kinetic energy.



(B) The gas particles have a lot of space between them.



(C) Gases can be easily compressed.



(D) Both (B) and (C).

31. Reshma took three beakers X, Y and Z containing cold,

warm and hot water respectively as shown in the figure. She added two table spoons of sugar to each beaker and stirred the solutions. After two minutes she observed the following.



Choose the correct statement(s) that explains her observations.



(i) The solubility of sugar decreases with increase in temperature. (ii) The solubility of sugar increases with increase in temperature. (iii) We can add some more sugar if we heat the water. (A) (i), (ii) and (iii) (B) (ii) and (iii) (C) (i) and (iii)

(D) (iii) only

Class 6 | 15th NSO - SET A

6 32. It is actually a combination of evaporation and condensation. The process first involves heating in order to vaporize the liquid. The vapours of the liquid on cooling give pure liquid. This process is called _____. (A) Chromatography (B) Sublimation (C) Filtration (D) Distillation 33. Jyoti burnt a candle. She collected the wax and heated it again in a dish.



Which of the following conclusions is correct? (A) Burning of candle is a chemical change while melting of wax is a physical change. (B) Both burning of candle and melting of wax are physical changes. (C) Both burning of candle and melting of wax are chemical changes. (D) Burning of candle is a physical change while melting of wax is a chemical change.

34. Priya took a metal spoon, a wooden spoon, a plastic spoon and a glass rod. She dipped one end of each item into boiling water for five minutes and then touched the end extending outside the water. What were her observations and their inference regarding conduction of heat by these items? (A) Metal and wooden spoon become hot at the other end which was outside water, hence metal and wood are good conductors of heat. (B) Only metal spoon becomes hot hence metals are good conductors of heat while wood, plastic and glass are bad conductors. (C) All the items become hot, hence all are good conductors of heat. (D) Metal and plastic spoon become hot, hence metals and plastic are good conductors of heat while wood and glass are bad conductors. 35. Which of the following children made correct statement? It's not cold inside the room, but Rohan just can't stop shivering. He is probably suffering from malaria.

Mohan just can't stop sneezing on being exposed to dust. He is probably suffering from typhoid.



(A)



(C)



(B)



(D)

36. Riya is checking excess fat in her diet. In an outdoor trip, on feeling hungry, she picked three food packets D, E and F each of ` 10 cost. She read the nutritional information (per 100 g) printed on each food packets. Which among these food packets should she buy? Packet D Packet E Packet F Nutrients (Net weight 84.5 g) (Net weight 117 g) (Net weight 45 g) Carbohydrates

66 g

77 g

40 g

Proteins

7.4 g

8.5 g

10 g

Fat

22 g

10.9 g

40 g

13.8 g

0

0

Cholesterol

Energy (A) Packet D

491 Kcal (B) Packet E

440 Kcal (C) Packet F

560 Kcal (D) None of these

Class 6 | 15th NSO - SET A

7 37. Which of the following is incorrect regarding the given figures?

(i)



(A) (i) and (ii) – skeletal and muscular system involved (B) (ii) – reproductive system involved (C) (iii) – excretory system involved (D) (i), (ii) and (iii) – nervous system involved

38. Abraham: Manju:



(ii)



(iii)

How will vehicles run if all the oil finishes? On CNG. I had seen on TV that vehicles which run on CNG give less smoke.

Uncle(laughing): That too comes from below the earth. It is also limited. Divya: Electricity can be used to run vehicles. I have seen an electric bicycle. Abraham:

We will have to do something. Or else, how will we travel when we grow up?

From the above discussion the conclusion is, we should _____. (A) Reduce our dependence on renewable resources. (B) Reduce our dependence on non-renewable resources. (C) Increase our dependence on renewable resources.

(D) Both (B) and (C).

39. Beena’s husband is making a big mistake while putting out the fire as shown.

What should he do instead? (A) He should put out fire by a blanket. (B) He should put out fire by petrol. (C) He should put out fire using sand. (D) He should put out fire by blowing air.

40.

Select the incorrect statement. (A) Water particles on heating become free from their existing arrangement to move faster and escape into the air. (B) In summer, due to heat, electric cables expand and hang loosely from poles. (C) Cooling a substance slows down the movement of its particles. (D) Water expands on heating, thus ice occupies more space.

41. Which of the following traits is most likely inherited in children from their parents? (A) Dimples in cheeks (B) Moving ears without holding them (C) Voice quality (D) All of these 42. Earthquakes generate waves over the earth which can be obtained on paper in the form of graph called (A) Seismograph (B) Seismogram (C) Richter scale (D) Seismosphere 43. The given picture shows Sunita Williams in the spaceship. Sunita shared her experiences of living

in space as following : l We could not sit at one place. We kept floating in the spaceship. l In space there was no need to use a comb. My hair kept standing all the time. Which of the following can explain these conditions in the spaceship? (A) Gravitational pull of moon is non-effective. (B) Gravitational pull of sun is non-effective. (C) Gravitational pull of earth greatly reduces. (D) Gravitational pull between various objects in a spaceship is very-very strong.

44. Which natural calamity leads to famine? (A) Flood (B) Drought

(C) Earthquake

(D) All of these.

Class 6 | 15th NSO - SET A

8 45.

Which of the following is an incorrect step in the process of making vermicompost? (A) Take non-biodegradable wastes such as plastic, rubber, etc. (B) Dig a compost pit about 3 feet deep in a cool, shaded corner of the ground. (C) Put some redworms in the pit and cover them loosely with old cloth or grass. (D) Powdered egg shells or sea shells could be mixed with the wastes which help redworms in grinding their food.

46. Which of the following activities would show that air is dissolved in water? (A) Press a piece of cotton wool into the bottom of a tumbler. Hold the tumbler upside down and insert it into a bowl of water, without tilting it. (B) Press steel wool into the bottom of the gas jar. Invert the gas jar into the bowl of water on two small wooden blocks so that there is space between the gas jar and the bowl. (C) Take some water in a pan. Heat it gently on a gas burner. Observe the water as it begins to heat. (D) None of these. 47.

The (A) (B) (C) (D)

joint illustrated in the given figure is present in _____. Neck Wrist Elbow Shoulder

48. Megha’s brother brought a plant with the following features :

(i) Narrow and thin ribbon like leaves (ii) Reduced size of roots (iii) Long, hollow and light stem Her brother most likely brought this plant from _____. (A) Desert (B) Glacier (C) Forest

(D) Lake

49. Many plants like eucalyptus, pine and rubber tree produce substances such as rubber and resin.

These products are _________ for these plants. (A) Stored food (B) Toxic wastes

50. Select the correct pair. (A) Vitamin C – Goitre (C) Vitamin D – Anaemia

(C) Water reserve

(B) Vitamin A (D) Vitamin B1 SPACE FOR ROUGH WORK

(D) Nutrients

– Rickets – Beriberi

Class 6 15th

Set B Year 2012

15th NSO - SET B

1

mental ability 1.

The traffic lights at three different road crossings change after every 72 seconds, 108 seconds and 132 seconds respectively. If they change simultaneously at 7 a.m., then the time they will change



again simultaneously is ______. (A) 7:39 am (B) 7:39:36 am

2.

There is an amount of ` a with Rishab. He gave ` 30 to his father and distributed the remaining

(C) 7:36:39 am

(D) 7:36 am

amount equally among 'n' children of his colony. The share of each child is ______. a





30 

(B) `  a −   n 

(C) `  (a − 30) 1



(A) `  − 30  n 

3.

The fraction of shaded part of the given figure is ______.



(A) 2



5 1 (C) 2

n



(D) None of these

7 10 2 (D) 3

(B)

4.

Namita faced South-West after she turned 225° clockwise.



The (A) (B) (C) (D)

5.

Which of the following numbers is divisible by 6 ? (A) 550690 (B) 80356 (C) 728931

6.

If six friends are sitting around a circular table at equal distance from each other. Garima is sitting

direction she was facing at the start is ______. North North-West East North-East

(D) 656364

second right of Latika who is exactly opposite to Megha. Megha is on immediate left of Beena, who is exactly opposite to Priya. Amita is also sitting at the table, then the person sitting between

Latika and Garima is ______. (A) Priya (B) Amita

7.

The (A) (B) (C) (D)

8.

While preparing an article about travel for the

(C) Beena

missing number in the adjoining number pattern is _____. 64 80 96 192

(D) Megha ? 48 48 16 16 16 8 8 8 8 8 8 8 8 8

school newspaper, Kanika found the given graph of the activities of travellers in the United States for a certain year. Based on the information given in the graph, which statement is correct? (A) More travellers went shopping than to all other events combined. (B) More travellers went to cultural events/festivals than to historical sites/museums. (C) More travellers went to beaches than to national/state parks and sport events combined. (D) More travellers went shopping than to theme/amusement parks and sports events combined.

15th NSO - SET B 9.

2

Simplify the given expression: 12 ÷ 3{– 4 + 8{– 3 + 2(– 7 + 10) + 3 × (8 – 2)} –1} (A) 46 (B) 652 (C) 42

(D) None of these

10. Look at the given image carefully and answer the question.

Number of letters that have at least one line of symmetry is _____. (A) 1 (B) 2 (C) 3

(D) 4

2 times as much money as Sanchi. If Meetu used 1/3 of her savings to buy a 5 handbag, then the new ratio of Meetu's savings to their total savings is _____.

11. Meetu saved 2



(A) 5 : 13

(B) 8 : 13

(C) 8 : 17

(D) 8 : 5

12.

Which of the following statements is INCORRECT ? (A) Two distinct lines meeting at a point are called intersecting lines. (B) Two lines in a plane are said to be parallel if they do not meet. (C) A reflex angle is shorter than a straight angle. (D) One full turn of the hand is one revolution.

13. The given figure is formed by 5 identical 4 cm squares.





(C) 64 cm

(D) 76 cm

(C) 32

(D) 33

The perimeter of the whole figure is _____. (A) 100 cm (B) 48 cm

14. The best estimation for 92.3 ÷ 3 is ______. (A) 30 (B) 31

15. In the given question there is a definite relationship between figures P and Q. Establish a similar relationship between figures R and S by selecting a suitable figure from the options that would replace the question mark (?) in fig. (S). Problem Figures



(A)



(B)



(C)



(D)

science 16. Two identical metal balls A and B moving in opposite directions hit each other at point X as shown in the figure. Changes are most likely to be appear in their

1. Shapes (A) 1 and 3 only

2. Speeds 3. (B) 2 and 3 only

Directions (C) 2 and 4 only

A

X

B

4. Volumes (D) 1, 2 and 3 only

17. Study the set-up given here. Which of the following options shows the correct shape of the shadow formed on the screen ?

(A)



(B)



(C)



(D)



18. Magnets lose their properties if (A) Left in the open (B) Heated strongly

(C) Dropped from a height (D) Both (B) and (C)

15th NSO - SET B

3

19. In which of the following arrangements of electrical circuits will the bulb(s) be the brightest, assuming that all the bulbs and dry cells are identical? (A)



(B)





(C)

(D)





20. Shaving blades are usually made of steel. They will be ________. (A) Attracted by a magnet (B) Repelled by a magnet (C) Attracted only by natural magnets (D) Unaffected by magnets 21. The surfaces which cannot produce clear images are called ________. (A) Rough surfaces (B) Ideal surfaces (C) Smooth surfaces

(D) Curved surfaces

22. The graph shows the length of a spring when different weights are hung from it. The spring extends by _____ when an 80 g weight is

hung from it. (A) 4 cm (B) 6 cm (C) 8 cm (D) 10 cm

23. Most of the electricity carrying wires near highways do not have a plastic covering like the wires used for domestic purposes. But there is no substantial loss of energy because (A) Air is a bad insulator of electricity (B) Air is a bad conductor of electricity (C) Electricity flows very fast near highways (D) Both (B) and (C) 24. Sanjay uses a spring balance to pull a wooden block over a tiled floor. Which of the following factors will affect the amount of force Wooden block needed to pull the wooden block? (1) The mass of the spring balance Spring balance (2) The mass of the wooden block (3) The surface of the tiled floor (4) The surface of the wooden block that comes in contact with the tiled floor (A) 1 and 4 only (B) 2 and 3 only (C) 2, 3 and 4 only (D) 1, 2, 3 and 4 25. All stars appear to move from (A) East to West (B) West to East

(C) North to South

(D) South to North Metal tray

26. A metal tray was used to cover a beaker of boiled water as shown in the diagram. The beaker and metal tray were then removed from the tripod stand and left on the table.

After two minutes, which of the following can be observed?



(A)

(B)

27.



Water

Bunsen burner

(C)

(D)



Change P : Coconut oil in winter solidifies. When we leave it in the sunlight, it liquifies again. Change Q : In winters, when iron gate of park is exposed to moist air, it gets rusted. What type of changes are P and Q? (A) P – Chemical change, Q – Reversible change (B) P – Physical change, Q – Chemical change (C) P – Chemical change, Q – Physical change (D) P – Reversible change, Q – Physical change

15th NSO - SET B

4

28. Smriti took four beakers containing equal amount of water. She wanted to check solubility of some solids like sugar, salt, chalk powder and saw dust. She added the solids to each beaker, stirred the contents with a stirrer and waited for some time. What did she observe?



(A) (B) (C) (D)

Sugar and chalk powder are soluble in water while salt and saw dust are insoluble. Sugar, salt and chalk powder are soluble in water while saw dust is insoluble. Sugar, salt, chalk powder and saw dust are soluble in water. Sugar and salt are soluble in water while chalk powder and saw dust are insoluble.

29. To separate constituents of a mixture, Jaya adopted the following method. Evaporation Mixture Filtration Solution Solid



Solid

What could be the composition of the mixture? (A) Water + Sugar + Salt (C) Water + Chalk powder + Saw dust

(B) Water + Sand + Saw dust (D) Water + Saw dust + Sugar

30. Ranjan placed four different materials M, N, O and P of equal length into a shallow dish containing 180 mL of water with some black dye added into it. The shaded portion shows the amount of coloured water absorbed by the materials. Which one of the following conclusions

about the materials is correct ? Best absorbent Least absorbent (A) P O (B) O N (C) M N (D) O P





31. Vijay conducted an experiment to compare the heat conductivity of four different materials P, Q, R and S. Thumbtacks were fixed with wax on each material and then the materials were stacked on top of each other as shown in the diagram.

Vijay recorded his results in the table as given below. Material

P

5

Q

6

R

2

S

4



What can be inferred from his experiment?



(A) (B) (C) (D)

Material Material Material Material

Material P Material Q Material R Material S

Time taken for thumbtacks to drop (minutes)

Wax

Support

R is a better conductor of heat than material S. S is a better conductor of heat than material R. Q is a better conductor of heat than material P. P, Q, R and S are equally good conductors of heat.

Thumbtack

Candle

15th NSO - SET B

5

32. The table below shows the properties of four substances K, L, M and N.



Substance

Colour

Taste

Magnetic

Dissolves in water

K L

White

Salty

No

Yes

Blue

Sweet

No

No

M

White

Sweet

No

Yes

N

Black

Metallic

Yes

No

Which two substances would be most difficult to separate when mixed in water? (A) K and L (B) K and M (C) L and M (D) M and N

33. Study the given diagram carefully and choose the correct option.

(A) X – Solid, Y – Liquid, R – Heating



(B) Y – Gas, Z – Liquid, T – Heating



(C) X – Solid, Z – Gas, P – Freezing



(D) Y – Gas, X – Liquid, Q – Cooling

34. The given table shows the properties of four items.

Which of the items is correctly described?

Items

Occupies space

Definite shape

Definite volume

Can be compressed



(A) Sponge

Sponge



×

×

×



(B) Clay ball

Clay ball







×



(C) Oxygen

Oxygen



×



×



(D) Cough syrup

Cough syrup



×

×



35.

Rohan described a seed as follows: (i) It has a fibrous covering that makes it unwettable. (ii) It is large in size but is comparatively light in weight. (iii) It is obtained from plants that are extensively found along sea shores. Which of the following means of seed dispersal would most likely help in its dispersal? (A) Wind (B) Water (C) Explosion (D) Animals

36. Aparna is a doctor. She maintains records of her patients. Patients's name A page of her record book is shown here. Sohan

Which patients can make her diseased?



(A) Sohan and Gaurav

(B) Ria and Mitali



(C) Gaurav and Ria

(D) Sohan, Gaurav, Mitali and Ria

37.

Read the following statements. (i) I am present in air. (iii) Your body needs me to produce energy. These statements are regarding ______. (A) Carbon dioxide (B) Nitrogen

the (A) (B) (C)

Anaemia

Gaurav

Ringworm

Mitali

Obesity

Ria

Measles

(ii) I enter your lungs when you breathe in.

(C) Hydrogen

(D) Oxygen

38. Which of the following characteristics is correct about

Disease

given animals? They have very delicate bodies. They can retract their bodies into their shells when disturbed. They live in empty shells of other animals. (D) They all are aquatic animals.

15th NSO - SET B

6

39. Saurabh's mother called him for dinner. She prepared his thali as shown in the given figure. Which essential

nutrient is significantly absent in his dinner thali? (A) Proteins (B) Carbohydrates (C) Fats (D) Vitamins

40. Which of the following children have negative approach towards conservation of wildlife?

(A) Meenu and Sakshi



(B) Sakshi and Harsh



(C) Meenu and Harsh



(D) Meenu, Sakshi and Harsh

41.

Foods like meat, fish, vegetable, etc., can be stored for a longer period in a freezer because ____. (A) Microorganisms are unable to respire in cold environment. (B) Microogranisms present in food die at low temperature. (C) Microorganisms present in food cannot grow and reproduce at low temperature. (D) All of these

42. The given statements summarize the process of digestion but are not given in correct sequence. Arrange them in sequence and select the correct option. P. Absorption of water Q. Churning of food and addition of digestive juices R. Mixing with saliva S. Complete digestion of food and absorption of nutrients T. Explusion of faeces (A) R → Q → S → P → T (B) R → S → Q → P → T (C) R → Q → P → S → T (D) R → P → Q → S → T 43. The given figure shows plant parts labelled as P, Q, R and S. Which of the following options correctly list the plants in which

labelled part is edible? (A) P – Sugarcane, Potato, Sweet potato (B) Q – Maize, Cauliflower, Cabbage (C) R – Rajma, Soyabean, Pea (D) S – Ginger, Carrot, Onion

P R Q S

44. Petrol is refined from the crude oil obtained from oil wells. Besides petrol, crude oil can also give

_______ . (A) Kerosene

(B) Wax

(C) LPG

(D) All of these

45. Jahnvi made paste of two food items P and Q each and put them in two test tubes. She added dilute iodine solution to food item P, while copper sulphate solution and caustic soda to food item Q. She observes that P turned blue-black and Q turned purple. Which of the following is correct regarding this? (A) Q is a starch rich food. (B) P is a protein rich food. (C) Q is a fat rich food. (D) P is a starch rich food.

15th NSO - SET B

7

46. Refer the given flowchart and select the correct option.

(A) X – Flax, Y – Silk



(B) W – Cotton, Y – Silk



(C) W – Flax, Z – Wool



(D) X – Jute, Z – Wool









47. Shruti took a white carnation flower and split its stalk halfway along the length and arranged a setup as shown in the given figure. After some time, she observed that half of the petals turned blue and half turned red. A section through stem also showed blue and red coloured areas.

What can she infer from this experiment?



(A) (B) (C) (D)

48.

Refer the given figure and select the correct option. (A) X type of joint shows no movement at all. (B) Y type of joint is also present in our elbow. (C) X type of joint is also found in between vertebrae. (D) Both (A) and (B)

Stem Stem Stem All of

White carnation

conducts water to all plant parts. has localized structures for conduction of water. conducts solutes alongwith water. these

Redcoloured water

    

Bluecoloured water

X Y

49. Read the given statements and select the correct option.

Statement 1 : Trees growing on high altitudes like mountains have needle-like leaves.



Statement 2 : High altitudes are cool regions as temperature decreases with increasing altitude. (A) Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1. (B) Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. (C) Statement 1 is true but statement 2 is false. (D) Statement 1 is false but statement 2 is true.

50.

Which of the following statements is incorrect? (A) Heat moves from hotter regions to colder regions. (B) Woollen clothes block the flow of heat from our body to the surroundings. (C) Woollen clothes block the flow of heat from the surroundings to our body. (D) Blocking the flow of heat with layers of insulating material could prevent ice from melting. SPACE FOR ROUGH WORK

Class 6 16th

Set A Year 2013

Mental Ability

1.

Which of the following statements is false?



A.



B.



C.



D.

If a number is divisible by 2 and 3 both, then it is divisible by 6 also. A number with 3 or more digits is divisible by 4 if the number formed by its last two digits (i.e., ones & tens) is divisible by 4. If the sum of the digits of a number is divisible by 9, then the number itself is divisible by 9. If a number is divisible by 1 and 3 both, then it is not divisible by 6.

2.

Which of the following is the missing number?



A.

2



2

4

6

6

7

5



B.

4

8



3

8

2

4

6

6

7



C.

6

1

3

8

?

4

4

6



D.

5

3.

Which shaded part best illustrates P + Q ? 0



  2.25    Step-I : Let 3 − 1.6 − 3.2 −  3.2 +   = 0.65.  x    



 2.25   Step-II : 3 − 1.6 − 3.2 − 3.2 −  = 0.65 x   



2.25   Step-III : 3 − 1.6 + = 0.65 x  



Step-IV : 3 − 1.6 +



Step-V :



P

1

Q

2



A.





B.



C.



D.

4.

If all the vowels are removed from the series given below, which is the ninth to right of twelfth letter from right end?



2.25 = 0.65 x

2.25 = 1.4 − 0.65 x 2.25 =3 Step-VI : x = 0.75



A. B. C. D.

Only step-IV Only step-II Both step-I & IV Only step-VI

6.

The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is



A. B. C. D.

7.

Beena was facing the bookstore at the beginning.

123 127 235 305

She turned anticlockwise to face north-west. What angle did she turn through? North

A.

45º



B.

135º



C.

225º



D.

230º

8.

Which of the following statements is true (figures not drawn to scale) ?



A. B. C. D.

Bookstore

Q E E E F E B U LAM C D I PQ O R R RAPPW I

A. B. C. D.

R W I P

5.

Select the wrong step in the steps of solving the equation below.



If 3 – [1.6 – {3.2 – (3.2 + 2.25 ÷ x)}] = 0.65, then the value of x is

Area (Rectangle P) > Area (Rectangle Q) Area (Rectangle P) = Area (Rectangle Q) Perimeter (Rectangle P) < Perimeter (Rectangle Q) Perimeter (Rectangle P) = Perimeter (Rectangle Q)

16th NSO - SET A

2

9.

Ratio of the number of cubes in figure I to figure II is



A. B. C. D.

19 19 18 19

: : : :

13. Three friends played a game. Garima : My number is the least common multiple of second and third multiple of 3. Latika : My number is first odd prime number. Rinki : My number is H.C.F of Latika's & Garima's number. What is the Rinki's number? A. 18 B. 6 C. 3 D. 1

21 23 22 22

10. Which is the next figure?

14. Find the value of P and Q respectively.

A.



C.



B.



A.

5, 7

D.



B.

7, 5



C.

4, 2



D.

2, 4

11. If represents the NATURAL NUMBERS, represents the represents the WHOLE NUMBERS, represents the NEGATIVE NUMBERS, ZERO, represents the INTEGERS, then which diagram best represents the number system.

A.

B.



C.

D.

A.

R and S



B.

Q and R



C.

P and Q



D.

S and Q

Q

0 4 6

15. Which of the following options is the mirror image of figure (X)?

12. Which squares must be shaded so that the figure has dotted line as a line of symmetry?

P Q

3. – 1. 1.

O



A.

C.



A

X

O M

A

N

L

P

O

A

X

O M

A

N

P

L

O

B.

D.

A

X

O M

A

N

L

P

O

A

X

O M

A

N

P

L

Science 16. A simple pendulum oscillates between point P and Q as shown in figure and its time period is T. If time taken to go from R to Q is t, which of the following relation is correct?

Y Cell Switch Bulb Switch

Z Bulb Cell Switch Bulb

t = T

B.

t=

T 2

18. A circular disk with a stick moving about its axis through the centre is shown in the figure.

C.

t=

T 4

Which of the following type of motion is described by the stick?

t=

T 8

D.



X Switch Bulb Cell Cell

A.



A. B. C. D.

17. Identify the symbols of electrical components used in the construction of the given circuit.



A.

Rotatory motion



B.

Periodic motion



C.

Rectilinear motion



D.

Circular motion

16th NSO - SET A

3

19. A small plotting compass is placed between two strong magnets. The tip of the arrow represents the N-pole of the compass. What is the polarity of the end P of the right hand side magnet?

A. C.



(iii) A ray of light is the path along which light travels. (iv) Translucent bodies do not form shadow.



A. B. C. D.

South East

B. D.

North West

20. Which of the following statements are correct?



(i) Milky Way is a spiral-shaped galaxy. (ii) Planet Venus has 63 Moons. (iii) Satellites are small heavenly bodies that revolve around the Sun. (iv) One revolution of the Earth is completed in 1 about 365 days. This time period is called a 4 solar year. A. (i) and (iv) B. (ii) and (iii) C. (i) and (ii) D. (iii) and (iv)

21. In case of three plane mirrors meeting at a point to form a corner of a cube, if incident light suffers one reflection on each other

A. B. C. D.

(ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (iii)

24. A small compass is placed beside the middle of a bar magnet.





The emergent ray is antiparallel to incident one The emergent ray is perpendicular to incident one The incident ray can not emerge None of these

22. Amit rolled a small steel ball at edge A of the glass bowl as shown in the figure. Which of the following statement is true about the situation if there is no friction between the surfaces of the ball and the bowl?

In which direction will the compass needle point?

A.



B.



C.



D.

25. Kamya has a material X whose molecules are separated by large distances or spaces.



Nidhi has a material Y which takes the shape of its container. Gagan has a material Z which has no definite volume. Which of the three materials is/are in gaseous state? A. X B. Y C. Both X and Y D. Both X and Z

26. Identify X and Y in the given Venn diagram.

A.

X is wood.



B.

Y is glass.



C.

X is iron.



D.

Both B and C

Lustrous

X

Hard

Y Transparent

27. The diagrams below show the arrangement of molecules in three different states of matter.

A.



B.



C.



D.

The ball will roll out of the glass bowl near edge B. It will keep moving between point A and B and will never stop. It will not move at all since friction is required for movement. It will stop at centre point C.

23. Which of the following statements is/are true?

(i) Moon is a luminous body. (ii) An object which does not emit light is called a non-luminous.

I II III If you could see the molecules in drinking water, which would they look like most?

A. B. C. D.

I II III All of the above

16th NSO - SET A

4

28. Naina loves wood working. She spent time carving a statue, sanding it smooth and painting it. What type of changes occurred to the wood?

A. B. C. D.

33. Refer the given three plants P, Q and R.

Reversible change Irreversible change Undesirable change Periodic change P

29. Given figure shows various changes in the states of matter.



Which of the following processes occur on cooling? A. 1 and R B. 2 and P C. 3 and P D. 2 and Q

30. Observe the given figures carefully.

Q

R

Which of the following is a suitable statement for the given plants? A. B. C. D.

P and R produce food, while Q does not P and Q produce oxygen, while R does not P is a shrub, Q is a herb, while R is a tree Leaves of P and Q show parallel venation, while that of R shows reticulate venation

34. Which of the following shows the incorrect match of signs and symptoms of the respective diseases? Signs/Symptoms A. Stunted growth, – weakness, mental retardation B. Pale skin, laziness, – weakness C. Bleeding gums, wounds – take time to heal D. Brittle bones, bow shaped – legs in children

Diseases Marasmus Anaemia Scurvy Rickets

35.



Process X

Process Y

Identify X and Y respectively. A. Decantation, Sieving B. Sieving, Decantation C. Winnowing, Threshing D. Threshing, Winnowing

31. When a block of ice is dropped gently into a glass of juice, the liquid level in the glass rises. We can conclude from this observation that the block of ice _______. A. Occupies space B. Has a fixed mass C. Can be compressed D. Has a definite shape 32. Which of the following is an example of reversible change?

A. B.



C. D.

Dissolving salt in water for gargle. A glass falls from the table and shatters on the ground. Burning a piece of paper in fire. Baking a birthday cake for your mother.



(a) (b) Which of the following statements is correct for the models shown in given figure?



A.



B.



C.



D.

'a' shows the functioning of hinge joint while 'b' shows the functioning of ball and socket joint. 'a' is present in shoulder, while 'b' is seen in elbow. 'a' shows the functioning of pivot joint, while 'b' shows the functioning of gliding joint. 'a' is present in forearm while 'b' is seen in neck.

36. Which of the following statements is correct regarding atmosphere?

A.



B.

Wind blows, clouds build up and weather changes take place in stratosphere. The ozone layer, which acts as huge shield, protecting us from the harmful ultraviolet rays of the Sun lies in the thermosphere.

16th NSO - SET A

C.



D.

5

Stratosphere is a clear, cloudless layer where the stars shine and aeroplanes fly. Exosphere is very thin and very hot layer and has electrically charged particles which help radios to work.

37. Mr. Deepak wanted to boil some water. He took some water in an electronic kettle, plugged it and switched it on. After some time, the water began to boil and he heard the lid of the kettle rattling. Which of the following shows the most correct conversion of energy that has taken place?

A.



B.



C.



D.

(i) Both are light and reproduce by spores. (ii) Both are dispersed by wind. (iii) Both will grow to form flowering plants. (iv) Both have fine long hairs and wings around them.

Electrical energy + Light energy → Sound energy + Kinetic energy Electrical energy + Heat energy → Sound energy + Kinetic energy Mechanical energy + Light energy → Sound energy + Heat energy Mechanical energy + Electrical energy → Sound energy + Light energy

Which of the following is correct for given graph? A.



B. C. D.

(i), (ii) and (iii) (ii) and (iii) (ii) only (i), (ii), (iii) and (iv)

41.

38. The given graph shows the temperature of a beaker of water as it is subjected to variables treatments.



A. B. C. D.

At point S, the amount of water will start decreasing. At point Q, water is freezing to form ice cubes. At point R, the water was changing into steam. At point P ice cubes were added to the beaker of water.

Which of the following is correct for the part labelled X? A. It cuts the food into smaller pieces. B. It contracts and relaxes and mix the food with enzymes. C. It helps to create an acidic medium for the gastric enzymes to act. D. It contracts and relaxes to move food down the alimentary canal.

42.

39. Which of the following is an incorrect match?

A.

Dormant volcano – B. Active Volcano – C. Extinct Volcano – D. Hurricane –

Mt Kea in Hawaiian Island Mt Etna of Italy Mt Popa in Myanmar Strong tropical storm called in Japan



40.



Which of the following statements is/are correct for the given figures?



The given food items shown in the figure are rich in nutrient X. Read the given statements regarding X. (i) 1 gram of X gives 4 calories of energy. (ii) It helps in protecting our body against diseases. (iii) Deficiency of X results in diseases such as kwashiorkor and marasmus. (iv) Test for X is done using Benedict's solution. Which of the above given statements are correct? A. (i) and (iv) B. (i), (iii) and (iv) C. (ii) and (iii) D. (i) and (ii)

16th NSO - SET A

6

43. If P represents the fibre and Q represents the fabric, find out the correct order in which Q is made from P.





A.



B.



C.

A. B. C. D.



D.

P, Weaving, Spinning, Obtained from source, Yarn, Q P, Obtained from source, Spinning, Weaving, Yarn, Q P, Obtained from source, Spinning, Yarn, Weaving, Q None of the above.

44. Read the following adaptations of animals for grassland habitat.

(i)



(ii) (iii) (iv) (v)

They have strong claws that can be withdrawn inside their toes. They have eyes on the side of their heads. They are light brown in colour. They have strong flat hind teeth for chewing. They move in herds.

(vi) They have eyes in front of their faces. Select the option that correctly categorises the given adaptations for predator and prey animals. Preys Predators (i), (ii), (vi) (iii), (iv), (v) (ii), (v) (i), (iii), (iv), (vi) (ii), (iv), (v) (i), (iii), (vi) (iii), (v), (vi) (i), (ii), (iv)

45. The given figure shows a bone with a part labelled as 'X'. Select the correct statement regarding 'X'.

A.

Blood cells are formed in 'X'.



B.

'X' is the flexible tissue in the hollow interior of bones.



C.

Leukemia is a type of cancer of the blood that generally starts in 'X'.



D.

All of the above.

'X'

Achievers Section 46. The given graph shows the change in temperature of the water kept in two metal cans X and Y. Can Y is covered with cotton wool. What is the difference between the temperatures of the water in both cans at 4 minutes?

A. B. C. D.

5 °C 10 °C 15 °C 20 °C

47. Ritika mixed lemon juice with water to prepare lemonade. She added ice to cool it. After adding a few spoons of sugar to this solution, she found that _______ sugar can be dissolved. The solution is now said to be _______. This is because ________ amount of sugar dissolves in water on ________.

A. B. C. D.

More, pure, high, heating Less, saturated, low, heating Large, impure, more, cooling No more, saturated, less, cooling

48. Ali took four beakers P, Q, R and S and poured equal amounts of water in each of them. He soaks same-sized piece of fabrics of cotton, wool, silk and polyester in beakers P, Q, R and S respectively and kept them for five minutes. Now he removed all the fabric pieces from the beakers and measured the



amount of water left in each of the four beakers. Which of the following is the correct observation of Ali? A. Maximum amount of water is left in beaker S, followed by beakers R, P and Q. B. Minimum amount of water is left in beaker S, followed by beakers R, P and Q. C. Maximum amount of water is left in beaker Q, followed by beakers P, R and S. D. Minimum amount of water is left in beaker Q, followed by beakers S, R and P.

49. Refer the given figure of different parts of a typical flower and select the correct statements regarding it. P V Q

T S



R U (i) After pollination, 'S' swells up and changes into a fruit and 'R' changes into a seed. (ii) 'P' contains pollen grains. (iii) The pollen grains are transferred from 'Q' to 'P' in self pollination. (iv) 'U' is brightly coloured and scented to attract insects that help in reproduction.

16th NSO - SET A

7

(v) Different flowers have 'T' of different colours. (vi) 'P', 'V' and 'S' form the innermost part of a flower called pistil. A. (i), (ii), (iv) and (vi) B. (i), (iii), (v) and (vi) C. (ii) and (v) D. (iii), (iv) and (vi)

50. People living on plains when go to high mountain regions, experiences breathless and nauseated. This happens because mountains at a high altitude has low level of oxygen in the atmosphere. Therefore, they have to breathe faster. After some days, they temporarily change to adjust to the new changed conditions.

Read the given passage and answer the following questions.

a.

b. A.

B.



C.



D.

SPACE FOR ROUGH WORK

What name is given to such feature of organism to temporarily change to overcome changed conditions? Select an another example of such feature. a b Adaptation Thick layer of fur in polar bear Acclimatization Change in skin colour due to climate Acclimatization Bending of plants towards sunlight Adaptation Streamlined body of birds

Class 6 16th

Set B Year 2013

Mental Ability 1.

Arrange the given Roman Numerals in ascending order.

7.

Fill in the blanks with appropriate option. Change the sign of each term of the expression to be _______ and _______ it to the expression from which _______ is to be made.



A. B. C. D.

8.

X and Y both are kids of Z. If Z is the father of X but Y is not the son of Z. How Y and Z are related to each other?



A. B. C. D.

9.

A rhombus is symmetrical about



A.



B. C. D.

LI, XCIX, XC, LXXII

A. B. C. D.

LI, LXXII, XC, XCIX LXXII, XC, XCIX, LI XCIX, XC, LXXII, LI XCIX, LXXII, XC, LI

2.

Which of the following properties is INCORRECT?



A.



B. C.



D.

3.

Find the missing number.

The LCM of two co-primes is equal to their product. The HCF of two co-primes is not defined. The HCF of a group of numbers is always a factor of their LCM. The LCM of a group of numbers is not less than any of the given numbers.

5

1 6

3

4

1

5

15

6

4

? 16

8

7



A. C.

4.

The given number line is represented by which of the following statements?



A. C.

5.

If all the squared numbers, and those numbers, the sum of whose digits is 9 from 4 to 64 are removed, then how many numbers will remain?



A. C.

6.



5 4

9

+3 – 8 +3 – 5

49 50

B. D.

B. D.

B. D.

6 3

+3 + 8 +3 + 5

55 51

1 2 4 1 1 3 −1 − + − + + 2 3 5 3 5 4 is The value of 1 2 4 1 1 4 + − + − − 2 3 3 3 5 5 −10 3 A. − B. 3 10 C. – 2 D. 9 10

Subtracted, add, addition Subtracted, add, subtraction Add, add, subtraction Add, add, addition

Daughter and Father Sister and Brother Niece and Uncle Niece and Maternal uncle

The line joining the midpoints of its opposite side. Each of its diagonals. Perpendicular bisector of each of its sides. None of these

10. Study the following information carefully and answer the question given below.

M, N, P, R, T, W, F and H are sitting around a circle facing the centre, P is third to the left of M and second to the right of T. N is second to the right of P. R is second to the right of W, who is second to the right of M. F is not an immediate neighbour of P. In which of the following is the first person sitting in between the second and the third person?



A. C.

NHM TRP

B. D.

PHN TWF

11. One full revolution of the hand of a clock is a complete angle of 360º. Where will the hand of a clock stop if 3 it starts at 6 and make of a revolution clockwise 4 1 of a revolution anticlockwise ? and again 2 A. At 3 B. At 9 C. At 12 D. At 6 12.

The value of 2.002 + 7.9{2.8 – 6.3(3.6 – 1.5) + 15.6} = A. 2.002 B. 42.845 C. 40.843 D. 4.2845

16th NSO - SET B

2

13. There is a definite relationship between figure (i) and (ii). Establish the same relationship between figures (iii) and (iv) by selecting a suitable figure from the options given below.

14. Identify the images and put in the sequence as "Triangular prism, Triangular pyramid, Square pyramid and Square prism".

A.







C.

R, P, S, Q P, R, S, Q

B. D.

P, Q, R, S S, R, P, Q

15. A square of area 36 cm2 has the same perimeter as that of an equilateral triangle. What is the length of the side of an equilateral triangle ?

B.

A. C.

D.





A. C.

6 cm 8 cm

B. D.

9 cm 3 cm

Science 16. A ball is rolling down on an inclined plane as shown in the figure. Which type of motion, the ball is undergoing?

A. B. C. D.

Circular and linear Periodic and rotational Rotational and linear Translatory only

Nail

17. If a piece of metal was thought to be a magnet, which one of the following observations would offer conclusive evidence?

A. B. C. D.

It attracts a known magnet. It repels a known magnet. It attracts a steel screw driver. None of these

18. A bird flying high up in air does not cast shadow on the ground because

A. B. C. D.

The size of bird is much smaller than sun The size of bird is smaller than earth Light rays fall almost normally on the bird Both A and C

19. Four bulbs P, Q, R and S are connected in a circuit as shown in the figure. If bulb P fuses, then which P Q of the other bulbs will remain lit?

A.

R only



B.

R and S



C.

Q, R and S

D.

S only



Hammer

R

S

20. Which of the following statements is true about using a hammer as a lever to pull a nail out of a piece of wood?



A.



B. C.



D.

The load is much near to the fulcrum than the effort. The lever changes the direction of the force. We use larger force to pull out the nail with hammer as compared to pulling it out directly without using the hammer. The pulling action is changed to the vertical lifting action on the nail.

21. Match the following using the most convenient unit used to express the area of various sizes as given below. Column-I Column-II (a) One rupee coin 1. m2 (b) Cricket field 2. Hectare (c) Paddy field 3. km2 (d) Country 4. cm2 A. a-2, b-4, c-1, d-3 B. a-4, b-1, c-2, d-3 C. a-3, b-4, c-1, d-2 D. a-1, b-2, c-3, d-4 22. There is some water in a beaker placed on the pan of spring balance. If we dip our finger in this water without touching the bottom of the beaker the reading of spring balance will A. Increase B. Decrease C. Remain same D. Some time increase and some time decrease

16th NSO - SET B

3

23. Neha observed the length and direction of shadows formed at different times of the day. She illustrated her observation through the given figure.

26. Ravi wrote two terms 'X ' and 'Y' about a solution. 'X ' means 'no more will dissolve'. 'Y' means 'how much will dissolve'. Identify the terms X and Y respectively.

Based on the shadows formed, rank the shadows according to the time these appeared.

A. B. C. D.

P 10 am 5 pm 12 pm 6 am

Q 12 pm 12 pm 5 pm 2 pm

R 2 pm 6 am 2 pm 12 pm

S 6 am 2 pm 60 am 5 pm

T 5 pm 10 am 10 am 10 am

24. The diagram below shows a gear system that involves the use of chains like in the bicycle. Arrows are drawn to show the direction in which each of the gears will turn. Which among the following arrow(s) is/are wrongly marked?





2 1 4 2

only and 4 only only and 3 only

25. There are two containers P and Q of different shapes as shown in the figures. Geeta filled container P with 100 mL of water and then poured all the water from container P into container Q.



Change in shape of water. Increase in mass of water. Change in level of water. Increase in volume of water. 1 only 2 only 2 and 4 1 and 3

Evaporation Saturation Distillation Condensation

I II III Which set of substances best illustrates the given diagrams?

A. B. C. D.

I Copper Helium Helium Mercury

II Helium Copper Mercury Helium

III Mercury Mercury Copper Copper

29. Sumant, Raman and Neha mixed few liquids with water and recorded their observation in the following table : × – Not mixed well  – Mixed well

Which of the following changes she observed in container Q?

1. 2. 3. 4. A. B. C. D.

A. B. C. D.

28. Diagrams I, II and III illustrate the particles of three unknown substances at room temperature.



A. B. C. D.

Insoluble, Amount Saturated, Solubility Solubility, Volume Insolubility, Saturated

27. Heat from the Sun changes water from liquid to gas. This change of state is called ______.





A. B. C. D.

Sumant

Raman

Neha

Vinegar

×





Orange juice







Coconut oil

×

×

×

Cold drink







Kerosene



×



Which of them recorded all the observations correctly?

A. B. C. D.

Raman Sumant Neha None of these

16th NSO - SET B

4

30. Study the shown change carefully.

Identify them and select the correct option. (i)

Which of the following is true as a substance changes from state I to II?

A. B. C. D.

Temperature rises Energy is released Decrease in arrangement of particles Decrease in particle energy

A. B. C. D.

(ii)

(iii)

(iv)

Asparagus

Ginger Potato

Basil

Ginger Turmeric Fenugreek

Asparagus

Ginger Turmeric Cinnamon

Basil

Carrot Sugarcane Fenugreek

Cinnamon

34. Alina wants to carry out a fair test to find out how fast water can pass through four different kinds of soil (P, Q, R and S). She sets up an experiment as shown in the given figure. She uses a stopwatch to measure the time taken for the water to pass through each kind of soil.

31. Study the flowchart carefully.

She records her findings in the table given below:

Which of the following is correct?

A. B. C. D.

P Reversible changes; Irreversible changes; Irreversible changes; Reversible changes;

Q Reversible changes Reversible changes Irreversible changes Irreversible changes

32. Nancy noticed that her coin collection had begun to tarnish. Some of the metals in the coins had begun to change colour. The formation of tarnish is most similar to which of the following changes?

A. B. C. D.

Dropping a dinner plate on the floor. Melting ice cubes in a glass of juice. Cutting coloured paper into different shapes. Burning a log of wood to ashes in a fireplace.

Plants Edible Spinach, Lettuce, Basil, – Asparagus (ii) Ginger, Carrot, Radish, – Turnip (iii) Turmeric, Potato, Ginger, – Sugarcane (iv) Sesame, Fenugreek, – Cinnamon, Rice

33. (i)



Kind of soil

P

Q

R

S

Time taken (seconds)

45

15

30

20

Based on Alina's results, identify the soil types P, Q, R and S.

A. B. C. D.

P Gravel Sand Clay Sand

Q Sand Loam Gravel Gravel

R Loam Gravel Loam Clay

S Clay Clay Sand Loam

35.

Parts of Plants Leaves

P

Roots Stems Seeds

The above sets (i), (ii), (iii) and (iv) are formed on the basis of the parts of plants that are eaten; however one of the examples in each set is incorrectly grouped.

Q

R

Which of the following is an incorrect statement regarding the above given animals?

A. P a n d R a r e o m n i v o r e s , w h i l e Q i s a herbivore. B. P and Q are herbivores, while R is an omnivore. C. P, Q and R are carnivores. D. All of these.

16th NSO - SET B

5

36. Read the given statements and select the correct option.



B.

Statement-1 : Clothes made from natural fibres are stronger than the clothes made from synthetic fibres.



C.



D.



Statement-2 : Cotton, wool and rayon are some of the important natural fibres. A. Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1. B. Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. C. Statement 1 is true and statement 2 is false. D. Both statements 1 and 2 are false.

37. He is known as 'Father of Green Revolution.' He produced a high yielding, disease resistant wheat variety and was awarded Nobel Peace Prize in 1970 because of his contributions to world peace by helping to reduce scarcity of food. Who is he? A. Dr Verghese Kurien B. Hilaire de Chardonnet C. Norman de Kazimodke D. Norman Ernest Borlaug 38. Which of the following statements does not hold true for the given plants?



A. B.



C. D.

Roots are either absent or very poorly developed. Stomata are present only on the upper surface of leaves to facilitate gaseous exchange. Body tissue has numerous air spaces. Leaves either ribbon-like or highly divided to prevent them from getting torn.

39. Select the incorrect match.

A. B.



C.



D.

Cerebrum – Controls our sense organs Cerebellum – Controls body movements and balance Medulla – Controls memory and basic intelligence Spinal cord – Controls reflex action

40. Which one of the following statements is correct?

A.

Distilled water is the purest form of water and is absolutely suitable for drinking purposes.

When the load is in between the fulcrum and the effort, it is a second-class lever. Chemical changes are the changes which are temporary and can be easily reversed. Fish, amphibians and reptiles breathe with the help of gills.

41. Read the given passage. Heat of the sun causes (i) of water from the surface of the earth, oceans, lakes, rivers and other water bodies. Water vapour is also continuously added to the atmosphere through (ii) from the surface of the leaves. These vapours (iii) to form tiny droplets of water. These droplets floating in the air along with the dust particles form (iv). Select the option that correctly fills the blanks in the above passage.

(i)

(ii)

(iii)

(iv)

A. Transpiration Condense Clouds Larger droplets B. Transpiration Evaporation Condense Clouds C. Evaporation Transpiration Condense Clouds D. Condense Transpiration Evaporation Larger droplets 42. Match Column-I with Column-II and select the correct option from the codes given below. Column-I Column-II (a) Oxygen (i) Condense into tiny drops (b) Nitrogen (ii) Does not support combustion (c) Carbon dioxide (iii) Formed by burning of fuel (d) Smoke (iv) Constituent of fertilizers (e) Water vapour (v) Supports combustion

A. B. C. D.

a (ii) (v) (iv) (v)

b (iv) (iv) (v) (iv)

c (v) (iii) (ii) (ii)

d (iii) (ii) (iii) (iii)

e (i) (i) (i) (i)

43. Which one of the following is a correct pair of the deficiency disease and its deficient nutrient?



Deficiency disease Deficient nutrient

A. B. C. D.

Scurvy Rickets Goitre Night blindness

Vitamin D Vitamin B3 Iron Vitamin A

16th NSO - SET B

6

44. Given graph shows certain changes in the populations of three organisms in a community over some years. In the community, organism X is a food producer, Y is a herbivore and Z is a predator. Which of the following may have caused such changes?

45. Fill up the blanks and select the correct option from the codes given below. (a) The Sun has a thin layer of atmosphere around it which is called as (i) . (b) The pull of gravity of the (ii) of the (iii) .

is less than that

(c) When the Moon comes between the Sun and the Earth, (iv) eclipse occurs.



A.



B.



C.



D.

Z consumed Y until the whole population of organism Y wiped away. The population of organism Z grew as long as its food supply lasted and then started to decline. The population of organism X increased with time due to a decline in the population of organism Y. All of these

(d) The thickness of mantle of the Earth is about (v) kms. A. B. C. D.

(i) Crust Corona Corona Crust

(ii) Earth Moon Moon Earth

(iii) Moon Earth Earth Moon

(iv) Solar Lunar Solar Lunar

(v) 2900 1200 2900 1200

Achievers Section 46. Fill in the blanks by choosing the correct option. A mixture contains different substances P, Q and R. P is a liquid which is insoluble in water. Q particles are small and soluble while R particles are small, heavy and insoluble in water. Substance P is separated from the mixture by _______. Substance R is separated from the mixture by _______. Substance Q is recovered from water by _______.

A. B. C. D.

Hand picking, magnetic separation, decantation Decantation, filtration, evaporation Winnowing, decantation, filtration Sieving, hand picking, decantation

Direction (Q. 47 & 48) : Refer the given passage and answer the following questions. In some plants, leaves get modified to perform different functions. For example, in insectivorous plants such as pitcher plant, the leaf is modified to form a pitcher for capturing insects. These plants have green leaves as well. They grow in regions where the soil is deficient in nitrogen. 47. Which of the following statements is incorrect regarding this? A. Photosynthesis that occurs in the green leaves of these plants, produces carbohydrates as their food source. B. Photosynthesis does not occur in these plants as they depend only upon insects for their food. C. To harvest nitrogen necessary for their growth and development, these plants trap insects and digest them. D. Insectivorous plants prepare their food by the



following reaction: + Water → → → Glucose + O2. CO2 (From air)

(From soil)

48. Which of these sets of two different pots (P and Q) should one select to carry out a starch test in order to prove that insectivorous plants are photosynthetic? Pot P Plant covered within netted container without insects B. Plant in sealed wooden container C. Plant watered everyday D. Plant with fertilizer A.

Pot Q Plant covered within netted container with insects Plant in sealed glass container Plant watered every 3rd day Plant without fertilizer

P

49. R Q





S

Identify the parts labelled in the given figure, match them with their respective functions and select the correct option. A. P – Anther – Transfer of pollen grains B. Q – Stigma – Receives pollen grains C. R – Style – Transfer of ovule D. S – Ovary – Involved in fertilization

16th NSO - SET B

7

50. Aparna was boiling a pot of soup for dinner. The temperature change of the soup is as shown in graph. What could have taken place at part CDE to have caused the temperature change? Temperature(°C) B

100

C

E



(I)



(II) Aparna stirred the soup



(III) A. B. C. D.

D 0

A

Time(min)

SPACE FOR ROUGH WORK

Some water was added Some salt were added to the soup. I only II only I and II only I and III only

Class 6 17th

Set A Year 2014

17th NSO - SET A

2

logical reasoning 1.

While going to his office P meets a man Q who is related to P, because P has R, a son, who is married to T. T is the daughter of Q. T has a daughter A. How is P related to A?



A. B. C. D.

2.

Count the number of unit cubes in the given solid.



A.

10



B.

15



C.

18



D.

22

3.

Find the CORRECT mirror image of the given figure.

Grandfather Grandmother Uncle Father-in-law

6.

If in a certain code, O is written as P, A as B, M as N, S as T and so on, then how will COMPANIES be written in that code?



A. B. C. D.

7.

Select a pair of figures from the options which has the same condition of placement of dots.



A.



B.



C.



D.

4.

If the English alphabets are written in reverse order after interchanging alphabets from 'C to M' with those from 'P to Z' respectively, which letter would be midway between F and T in the new order?



A. B. C. D.

Z M N X

5.

There is a definite relationship between figures (i) and (ii). Establish a similar relationship between figures (iii) and (iv) by selecting a suitable figure from the options which would replace the (?) in fig (iii). ? (i)

(ii)

(iii)

(P) A. B. C. D.

(Q)

A.



B.



C.



D.

(S)

(T)

P, Q Q, R R, S S, T

A man walks northwards. After a while he turns towards his right and walks straight then he moved little further to his left. Finally, after walking a distance of one kilometre he turns to his left again. In which direction is he moving now?



A. B. C. D.

9.

Which of the following figures will complete the given figure matrix?



A.



B.



C.



D.

North South East West



?

10. A set of figures carrying certain characters is given. If the characters in each set follow a similar pattern, find the missing character. 15

(iv)

90

(R)

8. Mirror

DPNQBOJET DPOQBPIES DPNQBJOFT DPNQBOJFT



A. B. C. D.

78 126 140 132

75

18

21

108 90

?

105

17th NSO - SET A

3

11. 583 is related to 295 in the same way as 488 is related to _______.

A. B. C. D.

291 497 487 581

12. Which of the following elements satisfies the Venn diagram given here? A. Judge, Thief, Criminal B. Father, Mother, Parents C. Teacher, College, Student D. Polygons, Rectangles, Squares

14. Count the number of triangles in the given figure.

A.

26



B.

17



C.

18



D.

None of these

15. A square sheet of paper is folded in a particular manner and punched in the manner shown. Select the figure amongst the options, that would most closely resemble the unfolded form of given sheet.

13. Which of the following parts will complete the pattern in figure (X)? ?



A.



B.



C.



D.

Figure (X)

A.



B.



C.



D.

Science 16. Read the given statements and mark the correct option.



C.



(i) A metal coin of 10 gram is heavier than a feather of the same mass.



D.



(ii) The inertia of an object depends on the size of the object.



(iii) When the mass of an object increases, the weight of the object always increases.



A.

(i) only



B. C. D.

(ii) and (iii) only (iii) only None of these

17. An image that is not produced by light rays coming from the image but is the result of your brain's interpretations of these light rays is called a/an ___.

A. B. C. D.

Real image Virtual image Imagined image None of these

18. In which of the following cases, the frictional force between the tyres of a car and the road increases?

A. B.

When the road is wet. When the speed of the car increases.

When the surface area of the tyres in contact with the road increases. When there are more passengers in the car.

19. Which of the following iron cores has more strength as compared to others?

A.



B.





C.



Iron core

D.

Iron core

17th NSO - SET A

4

20. A card with the word BULB written on it, is placed in front of a plane mirror, as shown in the figure. Mirror

Card BULB

The image of the word BULB seen in the mirror is A. B. C. D.

B.



C.



D.

Heat the magnet to become red hot, and allow it to cool in the north-south direction. Heat the magnet in boiling water, and allow it to cool in the north-south direction. Both A and B.

25. Two students of Class VI have performed the same experiment 'Separation of Sugar' by different methods as shown below :

BLUB B ULB B LB BL B U U





21. Three magnets X, Y and Z were dipped one by one in a heap of iron filings. Figure shows the amount of the iron filings sticked to them. X

Y

Z

The strength of these magnets will be in the order

A. B. C. D.

X X X X

> < = <

Y Y Y Y

> < = >

Z Z Z Z



26. Sunita classified different materials based on their properties. Which of the following sets are correctly matched ?

22. Consider the motion of the tip of the minute hand of a clock. In one hour

A. B. C. D.

The distance covered is zero The displacement is zero The average speed is zero None of these

23. The terminals of a battery are joined by a length of resistance wire. Which of the following changes will increase the current in the circuit?

A.



B. C.



D.

Connecting an identical wire in series with the first one Increasing the temperature of the wire Using a shorter wire of the same material and same thickness Using a thinner wire of the same material and same length

24. To demagnetise a magnet using the heating method, which of the following is the correct step?

A.

Heat the magnet to become red hot, and allow it to cool in the east-west direction.

Which of the following statements are correct? I. Method 1 is faster than method 2. II. Method 2 leads to the decomposition of sugar to carbon. III. Method 2 is more appropriate than method 1. IV. Method 2 is slow but pure sugar is obtained without getting decomposed. A. I and II B. I, III and IV C. III and IV D. All of these



Set

Hard

Opaque

I

Sponge

Butter paper

II

Steel

III

Iron nail

IV

Lump Thermocol of sugar

A. B. C. D.

Floats in water Glass marble

Insoluble in water Honey

Wooden board

Ice

Mustard oil

Glass

Grass

Sugar candy

Hair

Glass powder

II and IV I and II III and IV All of these

27. Reema's mother has done some preparations for her 'Birthday Party'. Which of the following changes can be reversed?

A. B. C.



D.

Baking cake in an oven Burning of a candle Rolling a ball of dough and baking it to make kulcha Blowing of a balloon

17th NSO - SET A

5

28. The transmission lines should not be stretched more tightly between the towers because _______.

A. B.



C.



D.

Expansion takes place in winter Expansion takes place in summer and contraction takes place in winter Expansion and contraction do not depend on temperature Contraction takes place in summer

29. Which of the following items has definite volume and shape?

A. B. C. D.

Water vapour Milk Aluminium foil Oxygen

30. Shreya made a cup of hot tea and put a metal spoon in the cup so that the tea would cool down faster.

Which of the following statements best describes the cooling of tea faster ?

A.



B.



C.



D.

The metal spoon absorbs the coldness from the surroundings and transfers the coldness to the hot tea. The metal spoon absorbs heat from the hot tea and transfers the heat to the surroundings. The metal spoon absorbs heat from the cup and transfers the heat to the surroundings. None of these

31. Which of the following mixtures cannot be separated by the method of winnowing?

A. B. C. D.

33. Refer to the given flowchart and select the correct option.

Kidney beans and chickpeas Potato wafers and biscuits Rice flakes and corns Sawdust and sand

32. Four identical towels were hung out to dry under different conditions.

day

A. B. C. D.

X – Flax, Y – Silk W – Cotton, Y – Silk W – Flax, Z – Wool X – Jute, Z – Wool

34. What is the main reason that some places on Earth are warmer than others ?

A. B.



C.



D.

Sun is closer to some places than others. Sun stays above the horizon 24 hours a day at some places. The rays of the sun are more direct at some places and more slanting at others. Some places experience warm seasons because of underground heat.

35. Refer to the given Venn diagram and select the correct option regarding energy resources.

X

Y A. B. C. D.

X Y Coal Petroleum Water Petroleum Coal Solar radiations Wind Petroleum

36. Jatin prepared the following set-ups to 'make rain'. The same amount of water was used for each set-up. Study them carefully to find out which set-up will form the most 'rain' ?

Sunny day



Arrange them in order, beginning with the towel that would take the longest time to dry.



A. B. C. D.

P, Q, R, S P, R, Q, S R, P, Q, S S, Q, R, P





A. B. C. D.

X

X Y Z None of these

Y

Z

17th NSO - SET A

37. Which of the following joints is present between thigh bone and shin bone?

A. B. C. D.

Hinge joint Pivot joint Fixed joint Ball and socket joint

6



A. B. C. D.

(iii) only (i), (ii) and (iii) (ii), (iii) and (iv) (i), (ii), (iii) and (iv)

41. Which of the following statements is incorrect for the given food item?

38. Ritu has 500 cm3 of oxygen in a small tank and she wants to transfer all of it to another container. Which of the following containers would be able to hold all the oxygen gas ?

A. B. C. D.

R only Q and R P, Q and R None of these

39. Refer to the given graph.



Kheer bowl The ingredients used to prepare this food are obtained from both plant and animal sources. (ii) The major nutrients in this food are carbohydrates and proteins. (iii) This food is also a source of vitamin C. (iv) The ingredient sourced from plants is actually a seed. A. (i) and (ii) B. (iii) only C. (ii) and (iv) D. None of these

(i)

42. Refer to the given chart. Communities



What can be the possible reason for the change in the population of mosquito larvae in the pond? (i) There is a layer of oil over pond. (ii) New fish are introduced into the pond. (iii) There is a period of dry weather. (iv) Many of the mosquito larvae have changed into mosquitoes. A. (i) and (iii) B. (ii) and (iv) C. (i), (ii) and (iii) D. (i), (ii), (iii) and (iv)

40. Shashank wanted to test the level of pollution in two locations. He plucked some leaves from plants in a Nature Reserve and some leaves from plants near a factory. He then soaked them in two beakers containing Solution Y. The colour of Solution Y changed, according to the level of pollution in the area. In order to carry out the experiment, which of the following variables should Shashank keep the same to ensure a fair test ?

(i) (ii) (iii) (iv)

The The The The

type of leaves amount of Solution Y added number of leaves in each beaker place from where the leaves were plucked



Grassland X • Snakes • Deer • Rabbits • Pines

Mountain region Y • Yak • Snow leopards • Conifers • Acacia

• • • •

Desert Z Koala Cactus Lizards Kangaroo rats



Which of the organisms have been grouped incorrectly?



A. B. C. D.

X Snakes Pines Rabbits Deer

Y Acacia Acacia Yak Yak

Z Lizards Koala Lizards Koala

43. Study the food web shown below. Q S

P R



T How is organism P in the food web different from the organisms Q, R, S and T? A. It causes decomposition. B. It feeds on plants. C. It feeds on animals. D. It can photosynthesize.

17th NSO - SET A

7

44. A science teacher took her students out for a practical activity to teach them more about the aquatic plants. She showed the students an underwater leaf and told that underwater leaves do not have waxy waterproof coating. She asked them the reason for the same. Given below are the replies of the students :

Student P : Unwaxed leaf surface can float easily. Student Q : Unwaxed leaf surface facilitates gaseous exchange between the plant and water. Student R : Unwaxed leaf surface can reduce transpiration. Student S : Unwaxed leaf surface can transport water. Which of these students correctly replied? A. Student S B. Student R



C. D.

Student P Student Q

45.



The arrows in the diagram above show the movement of ______. A. Air in the plant B. Food to all parts of the plant C. Water to all parts of the plant D. Carbon dioxide to all parts of the plant

Achievers section 46. Which of the following graphs correctly shows the change in volume with temperature of water? Volume

Volume

A.

B. Temperature



Temperature



Volume

Volume

C.

Temperature



D.

and citrus fruits and its deficiency may cause wounds to take longer time for healing. R is formed in our body in presence of sunlight and its deficiency in toddlers may cause deformity of legs. Now select the incorrect option regarding this.



Temperature

47. Study the given flowchart carefully and fill in the blanks.

A. B.

P can be found in spinach but not R. In absence of R our body will show calcium deficiency even if it is abundant in our food. C. Q is also called B-complex as many of its varieties are available. D. P cannot be dissolved in water.

49. Beena sets up two experiments, as shown in the diagram below. She placed both the set-ups in sunlight for 9 hours. On noting down her observations for both set-ups she found that there was more oxygen collected in test tube X as compared to test tube Y. What conclusion could she best draw from this experiment?

P A. Rubber band B. Electric bulb C. Electric bulb D. Steel

Q Steel Rubber band Steel Electric bulb

R Electric bulb Steel Rubber band Rubber band

48. Read the following passage carefully.

P is found abundantly in cod liver oil and is important for visual efficiency. Q is sourced from amla, tomato



A.



B.

The rate of photosynthesis decreases when there is more carbon dioxide. Baking soda is required for photosynthesis.

17th NSO - SET A



C.



D.

8

Carbon dioxide is required by the plant for photosynthesis. The rate of photosynthesis increases when there is more carbon dioxide.

50. Refer to the given key carefully and identify fabrics P, Q, R and S. 1. (i) Fabric made from natural fibres ---- Go to 2 (ii) Fabric made from man-made fibres ------ Go to 3



2. 3.

A. B. C. D.

SPACE FOR ROUGH WORK

(i) Fibre obtained from plants ---------------(ii) Fibre obtained from animals -------------(i) Shrinks away from flame on burning ---(ii) Leaves hard beads on burning -----------P Cotton Acrylic Cotton Cotton

Q Polyester Wool Wool Silk

R Silk Rayon Silk Nylon

P Q

S Nylon Nylon Polyester Polyester

R S

Class 6 17th

Set B Year 2014

17th NSO - SET B

2

Logical Reasoning 1.

Three of the following four are alike in a certain way and so form a group. Which is the one that does not belong to the group?



A. C.

2.

Which of the following Venn diagrams best represents the relationship amongst “Tennis fans, Cricket players, Students”?



A.



C.

3.

Pointing to a man, Anamika said “His sister is my daughter’s brother’s mother.” How is the man related to Anamika’s son?



A. B. C. D.

4.

Select a pair of figures which satisfies the same condition of placement of dots.

P

99 132

B. D.



D.

Cousin Father Maternal Uncle Can’t be determined

Q

R

B. D.

S

A. C.

5.

Two arrangements I and II are given below. The elements in the two arrangements written one below the other are corresponding elements. Study both the arrangements carefully and answer the question given below. I : T $ I E # D R H F @ % J M * D L II : 5 8 Q 4 A K 3 U 6 W Y 1 7 V 2 9 If T8 : 5I, MV : 7 D, then FW : ? A. 6@ B. 6% C. Y@ D. %6

Q, R Q, T

6.

Two positions of a dice are shown below. When number 5 is at the top, which number will be at the bottom?



A. B. C. D.

1 2 3 6



A.



B.



C.



D.

8.

Select a letter-number pair from the given options to replace the question marks and continue the series.



A.



C.

9.

B is coded as 4. F is coded as 8; M is coded as 15. Following above coding language if NEWS is coded as 4761, then which of the following represents the code of TJWR?



A. C.

T





P, R P, S

A sheet of paper is folded in a particular manner and a punch is made. Select a figure amongst the options that would closely resemble the unfolded form of given sheet.

143 126

B.

7.

J 10 M 16

B. D.

6625 6325

B. D.

9 I P 11

6526 6241

10. There is a definite relationship between figures P and Q. Establish a similar relationship between figures R and S by selecting a suitable figure from the options that would replace the question mark in figure (R).



A.



B.



C.



D.

17th NSO - SET B

11. If

3

is related to

, then

 is

14. Select a figure from the given options which will continue the series as established by the four problem figures. Problem Figures

related to __.

A.



C.



B.



D.

12. Select a figure from the options, which will replace the (?) of fig. (X) to complete the pattern.

A.



B.



C.



D.



A.



B.



C.



D.

15. Find the missing number, if a certain rule is followed in the given pattern.

13. X is to the south-west of Y, L is to the east of X and south-east of Y and M is to the north of L in a line with XY. In which direction of Y is M located? A. South B. South-west C. North D. North-east



A.

18



B.

27



C.

24



D.

9

Science 16. The north pole of a bar magnet picks up an iron nail. Which of the following options is correct regarding the pole(s) induced in the nail?

A. C. D.

South pole only B. North pole only A north pole and a south pole None of these

17. There are four pendulums as shown in the given figure. Which of the following pendulums has the longest time period?

A.

P



B.

Q



C.

R



D.

S

P

Q

R

S

18. Neutral insulator P is rubbed with neutral insulator Q. Insulator P becomes positively charged after the rub. Which of the following statements is correct?

A. B. C. D.

Insulator Insulator Insulator Insulator

P loses some electrons to insulator Q. Q loses some electrons to insulator P. P gains protons from insulator Q. Q gains protons from insulator P.

19. Which of the following properties is/are correct about the image formed by a plane mirror?

(i) (ii) (iii) A. B. C. D.

The image is at the same distance as the object The image is upright. The image is laterally inverted. (i) only (i) and (ii) only (ii) and (iii) only (i), (ii) and (iii)

20. Match the Column-I with Column-II and mark the correct option.

Column-I Column-II (a) 300 mm (i) 3 m (b) 300 cm (ii) 30 cm (c) 300 m (iii) 300000 m (d) 300 km (iv) 30000 cm A. (a)-(iv) (b)-(i) (c)-(iii) (d)-(ii) B. (a)-(ii) (b)-(i) (c)-(iv) (d)-(iii) C. (a)-(ii) (b)-(i) (c)-(iii) (d)-(iv) D. (a)-(i) (b)-(ii) (c)-(iii) (d)-(iv)

17th NSO - SET B

4

21. Which of the following statements is incorrect about the Sun?

A. B.



C.



D.

The Sun is a huge mass of very hot gases. The Sun is the only planet that we can see in the day. The distance of the Sun from Earth is about 150000000 km. The Sun is important to the Earth because it provides light energy to green plants to make food.

22. A plotting compass is moved slowly towards the metal bar along the path as shown in figure. The final position of the compass needle is shown in the given figure. Bar X S



N What can you conclude about bar X based on the diagram? A. Bar X is a magnetic material. B. Bar X is a magnet. C. Bar X is a non-magnetic material. D. Bar X is either a magnet or a magnetic material.

23. The factors which affect the work done on an object are (i) force applied (ii) distance moved by the object (iii) mass of the object Which of the following is/are correct? A. (i) and (ii) only B. (i) and (iii) only C. (ii) and (iii) only D. (i), (ii) and (iii)

25. A mixture of four different powders is taken in a petri dish. The properties of the powders are listed below in the table. Powder Colour S olu b le Magnetic Conductor of in water in nature electricity

A.



C.

D.

Yes Yes No No



A. B. C. D.

2 2 3 1

and and and and

4 3 4 2

26. A science teacher has drawn the diagrams showing the arrangement of particles in three different states of water.

I II III Observe the following conversions carefully and select the correct option.

II

A. B. C. D.

(X) (Y)

III

I - Gas, Y - Heating III - Liquid, Y - Cooling II - Solid, X - Cooling III - Gas, X - Heating

(Y) (X)

I

27. Some changes are classified as given below : S.No.

Change

I

Melting of butter





II

Burning of diesel





III









V

Wool knitted to sweater Dissolving ‘Eno’ in water Cooking of food





VI

Souring of milk





IV

B.



Yes No No No

Which pair of substances would be most difficult to separate?



No Yes Yes No



24. In the circuits shown, all the cells are identical. One bulb requires one cell to light up to normal brightness. In which circuit do the bulbs not light up to normal brightness?

Grey Blue White White

1 2 3 4



Reversible Physical change change

Which of the above changes are correctly matched? A. I, II, III and V only B. II, IV and VI only C. I, III and V only D. All are correct.

17th NSO - SET B

5

28. Mohit heated four beakers as shown below:

P Q R S The correct order of evaporation of water is



A. C.

Q > P > S > R S > P > R > Q

B. D.

P>S>Q>R P>Q>S>R

29. Match the Column-I with Column -II and select the correct option from the codes given below. Column-I Column -II (Mixture) (Method) a. Flour and Iron (i) Decantation powder b. Pulses and Rice flour (ii) Evaporation c. Kidney beans and (iii) Hand picking Lady's fingers d. Coconut oil and Water (iv) Sieving e. Sugar dissolved in water (v) Magnet a b c d e A. (iv) (i) (ii) (iii) (v) B. (i) (ii) (iv) (v) (iii) C. (v) (iii) (iv) (ii) (i) D. (v) (iv) (iii) (i) (ii) 30. Study the Venn diagram. Centre point ( ) represents which of the following change?

A. B. C. D.

Child to an adult Wet clothes to dry clothes Raw egg to boiled egg Cow dung to biogas

Temporary change

(i) (ii) (iii) (iv) A. Floats Sinks Insoluble Soluble B. Floats Sinks Soluble Insoluble C. Floats Sinks Insoluble Soluble D. Sinks Floats Soluble Insoluble 33. We use different parts of different plants as food source. Refer to the labelled figure of a typical plant and select the option that correctly matches an edible plant part with its example. A. P - Broccoli, Q - Cinnamon B. R - Cabbage, S - Chilli C. T - Cabbage, U - Spinach D. Q - Clove, T - Lettuce

Q

P R

S T

U

Food

Iodine solution test Time taken for reaction Chilly potato Turned dark blue 1 sec Chicken Remained yellowish brown Pear Turned slight blue 7 secs Noodles Turned dark blue 2 secs Fish Remained yellowish brown

Physical change

32. Complete the following statements by selecting the appropriate option. (1) A cotton ball initially (i) and then (ii) as it absorbs water. (2) Groundnut oil is (iii) in water while sugar is (iv) in milk. (3) Hand lens is (v) whereas oiled paper is (vi).

(vi) Transparent Translucent Translucent Translucent

34. Shivam tested some food items and tabulated the data as following :

Reversible change

31. Identify the INCORRECT statement from the following. A. Interparticle distance is more in gas. B. Solid has definite shape and volume. C. Ice is heavier than water. D. Matter can be changed from one form to another.

(v) Trans- lucent Trans- parent Trans- parent Trans- parent



Amongst the given food items, which one should preferably eat after any vigorous work? A. Fish and chicken B. Chicken and pear C. Fish and noodles D. Chilly potato and noodles

35.



Q P R S Refer the given figures and select the incorrect option. A. Generally the plants with Q also have R. B. Generally the plants with P also have S. C. Plants with Q type of roots are more easily uprooted than those with P. D. Plants with P type of roots include grasses and cereals.

17th NSO - SET B

6

36. Rohit's father experienced a heart attack. Doctor told him that his blood vessels have become narrower. What could be the reason for this ? A. His diet has an excess of roughage and water. B. His diet lacks proper amount of vitamins and minerals. C. His diet has an excess of fats and carbohydrates. D. His diet lacks proper amount of proteins and carbohydrates. 37. Read the given paragraph. Our food consists of carbohydrates, proteins, fats, vitamins and P. Carbohydrates may be simple like Q or complex like R. Proteins if deficient in diet can lead to S in children below 1 year of age. P are abundantly present in fruit peels, whole grains and add bulk to the undigested food, easing the bowel movements. Select the correct option regarding this. A. P can either be minerals or roughage. B. Q can be any of the glucose, fructose and cellulose. C. R can be starch or glycogen D. S is pellagra, a deficiency disease of proteins. 38. Which of the following is Aquatic plant A. Water hyacinth B. Floating moss fern C. Water lettuce D. Duckweed

an incorrect match? Adaptation Inflated leaf stalks Spongy leaves Tiny hairs to trap air bubbles Large waterproof leaves

41. Three flasks, each containing a different liquid are cooled in a basin of cold water. In the beginning of the experiment, all the three liquids are at the same level in the glass tubes. However, upon cooling, each liquid falls to a different level as shown below.

basin of cold water



Which of the above statements are correct? A. (i) and (ii) B. (ii) and (iv) C. (i) and (iii) D. (iii) and (iv)

40. Which of the following shows the correct match of seed and its mode of dispersal?

A.

– Animal

B.



C.

– Explosion

D.

Z

From the results of this experiment, we can conclude that ________. (ii) liquid Y does not contract as much liquid Z (iii) liquid Z contracts less than liquid X



A. (i) only

B.

(ii) and (iii)



C.

D.

(i), (ii) and (iii)

(i) and (iii)

42. X is a space object that orbits around sun but in an irregular orbit that intersects orbit of a planet. What is X?

A.

Neptune

B.



C.

Pluto

D. Titan

Choran

43. Refer to the given flowchart and select the correct option regarding it.

Flowering plants Grows on land Yes No

Y

Yes No

Z

Hydrilla No

No

X Yes

Water hyacinth

Morning glory Pea

Yes

Mango X A. Has spores

– Water

– Wind

Y

(i) liquid X contracts more than liquid Y

39. Read the following statements. (i) Air dissolved in water cannot be removed from it. (ii) Density of air decreases with increasing altitude. (iii) Air is an element that surrounds the earth and makes earth hospitable for living organisms. (iv) Air helps in pollination of several flowers and in the dispersal of seeds.

X



Y Z Has weak Has poisonous stem fruits

B. Has swollen leaf stalk

Has weak stem

Has fleshy fruits

C. Has fleshy stem

Has woody Has poisonous stem fruits

D. Floats on water

Has woody Has fleshy stem fruits

7

B.





C.

45. Which of the following graphs correctly shows the relationship between the surface area of leaves of plants, growing in a desert, with their surrounding temperature ?

D.

Surrounding temperature

Surface area of leaves

A.

Surrounding temperature

Surface area of leaves



Surrounding temperature

Surface area of leaves

44. Read the given statements and select the correct option. Statement 1 : The process of separation of lint and seeds from harvested cotton fibres is called ginning. Statement 2 : Process of forming slivers from ginned material is called combing. A. Both statements 1 and 2 are true and statement 2 is the correct explanation of statement  1. B. Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. C. Statement 1 is true and statement 2 is false. D. Both statements 1 and 2 are false.

Surface area of leaves

17th NSO - SET B

Surrounding temperature



Achievers Section 46. Beena spread some iron filings uniformly on a sheet of paper. Now, she placed the given magnet on the sheet. 3

1

4

2



C.

1 2 3 4

Parts



D. 1 2 3 4

Parts



No. of iron filings



B.

No. of iron filings

A.

No. of iron filings



No. of iron filings

Which of the following bar graphs correctly represent the number of iron filings stick to various parts of the magnet?

1 2 3 4

Parts

Which of the following can you conclude regarding the habitats of these animals?



A.

Animal X lives in a place with annual rainfall of about 80-100 cm.



B.

Animal Y lives in a place where days may be extremely hot and nights can be very cold.



C.

Animal Z lives in an area with annual rainfall of about 20-25 cm.



D.

Animal Y lives in an area where temperatures sometimes reach 0°C or fall below it.

48. Observe the given diagram carefully and fill in the blanks. Q Ice

P S

Water

T

Water vapour

Parts

Animals X, Y and Z are found in completely different habitats. Animal X is nocturnal and has developed many characters to conserve as much water as possible in the body. Animal Y has furry body with thick skin. It is large in size and has padded feet. Animal Z is adapted to live on trees, sticky pads on its feet help it to climb trees.

Steam

R

1 2 3 4

47. Read the given passage.





P

Q

A. Freezing Boiling

R

S

Conden- Melting sation

B. Freezing Evapo- Boiling Melting ration

T Evaporation Condensation

C. Melting Boiling

Conden- Freezing Evaposation ration

D. Melting

Conden- Freezing Boiling sation

Evapo- ration

17th NSO - SET B

8

49. Refer to the given graph which is plotted for different fibres P, Q and R based on their quality X and select the correct option. P X

Q

R

A.



B.



C.



D.

B.



Fibres



A.

If X is fibre length, then P should be silk, Q should be wool and R should be cotton. If X is tensile strength, then P should be wool, Q should be cotton, R should be flax. If X is absorbency, then P should be wool, Q should be flax, R should be cotton. If X is resistance to fuzzing, then P should be wool, Q should be silk, R should be cotton.

50. Which of the following types of skeletal joint is not present in our hind limbs ?

C.





D.



SPACE FOR ROUGH WORK

Class 6 18th

Set 1 Year 2015

logical reasoning 1.

Find the number which will continue the given series.



A. C.

2.

Pointing to a man in a photograph, Suhani said, “His mother’s only daughter is my mother.” How is Suhani related to the man?

3, 7, 15, 27, 43, ? B. D.

52 63

Mother Wife

B. D.

A. C.

3.

How many unit cubes were removed from the solid on the left to obtain the solid on the right?

B. D.

Sister Niece



A. C.

4.

If P = 6, J = 4, L = 8 and M = 24, then the value of M ÷ L × J + P is



A. C.

5.

Select the correct mirror-image of Fig. (X), if the mirror is placed vertically to the left.

16 36

B. D.

Select a figure from the options which satisfies the same condition of placement of the dots as in Fig. (X).

61 71



14 28

7.

12 10

Fig. (X)



A.



C.

8.

Find the missing number, if a certain rule is followed in the figure.



A.

13



B.

43



C.

56



D.

29

9.

In which of the following options, Fig. (X) is exactly embedded as one of its part?

0 18

C



B.



D.

? 42

4

5

30 20

6 7

Fig. (X)



A.



B.



C.



D.

A Fig. (X) C



A.



C

B.

A

A A



C.

A



D.

C

6.

2

C

Shreya is facing West. She turns 225° in anti-clockwise direction and then 135° in clockwise direction. In which direction is she facing now? A. C.

East South-West

B. D.

10. In the given Venn diagram, the circle represents tall girls, the triangle represents tennis players and the rectangle represents swimmers.

South-East South

P Q U S V R T



Which letter represents tall girls who are swimmers but don't play tennis? A. Q B. V C. U D. S | 18th NSO | Class-6 | Set-1 | Level 1

Science

Q P R

A. C.

P R

B. D.

Q S

13. Two boys are standing in front of a plane mirror as shown in the given figure. If boy Y walks 5 m towards boy X, then how far away would boy Y appear to be in the mirror to boy X?

2m

12 m X



A. C.

Y

9 m 11 m

B. D.

10 m 14 m

14. The length of a pencil is measured using a ruler as shown in the given figure. What is the apparent length of the pencil seen by the observer and the actual length of the pencil?

cm A. B. C. D.

1

2

Apparent length 42 mm 5 mm 37 mm 37 mm

18th NSO | Class-6 | Set-1 | Level 1 |

3

X

Y

Pole Pole induced at X induced at Y A. N N B. N S C. S N D. S S

Z

Pole induced at Z N N S S

16. A ball rolls down from a terrain as shown in the given figure. At which point is the ball likely to have half of its maximum kinetic energy if it has maximum potential energy at point P? Ignore all energy losses.

S



N

12. In the given gear system, which of the arrows is incorrectly marked ?

15. The given diagram shows a magnet being used to pick up a steel bar. The north pole of the magnet is close to the centre of the steel bar as shown. What are the poles induced in the steel bar at X, Y and Z? S

11. Which of the following are not the examples of circular motion? (i) Windmill (ii) Movement of a spinning top (iii) A train moving on a curved bridge (iv) Rotation of Earth around the Sun (v) A battalion moving in a parade A. (i), (ii) and (iii) B. (iii) and (v) C. (iii), (iv) and (v) D. (ii) and (v)

4

Actual length 40 mm 10 mm 30 mm 40 mm



A. B. C. D.

P Q R S

P Q

R

S

17. What is the main reason that some places on the Earth are warmer than others ?

A. B.



C.



D.

The Sun is closer to some places than others. The Sun stays above the horizon 24 hours a day in some places. The rays of the Sun are more direct at some places and more slanting at others. Some places experience warm seasons because of underground heat.

18. Which of the following statements are incorrect? (i) Human body is a bad conductor of electricity. (ii) The air gap surrounding an electric circuit acts as an insulator. (iii) A battery always has two terminals. (iv) When electricity lights up a bulb, no heat is produced. A. (i) and (ii) B. (iii) and (iv) C. (i) and (iv) D. (ii) and (iii) 3

19. A paper cutter is shown in the given figure. At which position P, Q, R or S should a straw be placed so that least force is applied to cut it?

A.

P



B.

Q



C.

R



D.

S

P

Q

R

S

20. Read the given statements and select the correct option. Statement 1 : A car can run on road because of force applied by road on the car. Statement 2 : Friction provides the necessary force for translatory motion for a car starting from rest. A. Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1. B. Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. C. Statement 1 is true and statement 2 is false. D. Statement 1 is false and statement 2 is true. 21. Observe the two shallow dishes kept in the sun carefully containing equal amount of water. Layer of oil Dish 1

Water

Dish 2

After few hours, in which dish will the water level not come down?

A. B. C. D.

Dish 1 Dish 2 In both dishes water level will not come down. In both dishes water level will come down.

22. Which of the following statements are incorrect?

(i) (ii) (iii) (iv) A. C.

Milk is miscible with water. Air is translucent. Plastic mug floats on water. Mercury is a bad conductor of heat. (i) and (iii) B. (ii) and (iii) (ii) and (iv) D. (i) and (iv)

23. Ruchi wants to make halwa for her mother. But the semolina (suji) got mixed with rice. Some alpins also fell into the mixture. Which of the following combinations of methods will help Ruchi to separate each component of the mixture?

A. B. C. D. 4

Handpicking and Threshing By using magnet and Filtration Winnowing and Sieving By using magnet and Sieving

24. Match the column I with column II and select the correct option from the given codes. P. Q. R. S.

Column I Changes Rusting of iron (i) Expansion of metal rim (ii) Sharpening of pencil (iii) Cooking of food (iv) P

Column II Types of changes Chemical change Physical change Reversible change Irreversible change

Q

R

S



A. (i), (iii)

(ii), (iv)

(ii), (iii)

(ii), (iv)



B. (i), (iv)

(ii), (iii)

(ii), (iv)

(i), (iv)



C. (ii), (iv)

(i), (iii)

(i), (iv)

(ii), (iii)



D. (i), (iv)

(ii), (iii)

(i), (iii)

(i), (iv)

25. Geeta has given some statements about the materials given in the box. Sugar, Air, Carbon dioxide, Water, Nitrogen, Mercury

Which of the statements given by her is/are correct?



A. B. C. D.

Air is a heterogeneous mixture. Water, sugar and carbon dioxide are compounds. Mercury and nitrogen are elements. Both B and C.

26. Read the given statements and select the correct option. Statement 1 : Breaking of a glass tumbler is an irreversible physical change. Statement 2 : When a glass tumbler breaks, the chemical composition of glass does not change but the pieces cannot be joined back to get original tumbler. A. Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1. B. Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. C. Statement 1 is true and statement 2 is false. D. Both statements 1 and 2 are false. 27. Rahul took four substances P, Q, R and S in a jar and kept it undisturbed for some time. Identify the substances P, Q, R and S. S R Q P

P A. Plastic B. Silver C. Gold D. Ice

Q Honey Oil Water Water

R Water Water Oil Oil

S Iron Ice Ice Iron

| 18th NSO | Class-6 | Set-1 | Level 1

28. Find the incorrect match.

A. B. C. D.

Corn flakes in milk – Filtration Wheat grains and rice flakes – Threshing Oil in water – Decantation Husk from wheat flour – Sieving

29. The given diagram shows one end of a bridge on rollers. Metal bridge Gap Rollers

A. B. C. D.

A. B. C.



D.

Vehicles to travel over the bridge smoothly. Expansion of the bridge during hot weather. Vehicles to travel on the bridge without making much noise. Vehicles to move faster.







(i) Separating straw etc., from flax fibres. (ii) Removing cotton seeds from cotton. (iii) Making yarn from fibres. (iv) Separating jute fibres from rotten stems. Which of the following options correctly identifies these processes?

(i) A. Scutching B. Scutching C. Retting D. Retting

(ii) Retting Ginning Scutching Ginning

(iii) Weaving Spinning Weaving Spinning

(iv) Ginning Retting Combing Scutching

31. Match column I with columns II and III and select the correct option from the given codes. Column I Column II Column III (Vitamin) (Function) (Sources) 1. Eggs P. Vitamin B12 a. Keeps eyes healthy Q. Vitamin C b. Builds resistance 2. Milk to infections 3. Fish liver R. Vitamin A c. Helps to clot oil blood 4. Citrus S. Vitamin D d. Builds strong fruits bones 5. Spinach e. Keeps hair and skin healthy 6. Tomaf. Helps to form toes blood 18th NSO | Class-6 | Set-1 | Level 1 |

R a, e, 3, 5 a, 3, 6 e, 2, 5 a, 4

S d, 2, 3 c, 1, 2 d, 2, 3 d, 3 P

The parts labelled P and Q show ball and socket joint and hinge Q joint, respectively. R (ii) The part labelled R is radius bone. S (iii) The parts labelled T and U are T called metacarpals and carpals U respectively. (iv) The part labelled S is ulna bone. A. (ii) and (iii) only B. (ii) and (iv) only C. (i) only D. (iii) only

(i)

33. Read the given paragraph and select the correct option for P, Q, R and S. P occurs in children due to deficiency of proteins. Deficiency of Q makes a person lose stamina and get tired easily. R occurs in children due to deficiency of proteins and calories. Deficiency of S causes tooth decay.

30. Read the following statements that describe some processes.

Q b, 4, 6 a, 4, 2 c, 1, 4 b, 5, 6

32. Which of the following statements are incorrect regarding the given figure?

The gap is given to allow

P f, 1, 2 c, 1, 3 d, 3, 4 f, 1, 2



A.



B.



C.



D.

P - Kwashiorkor, Q - Calcium, R - Marasmus, S - Iodine P - Marasmus, Q - Iron, R - Kwashiorkor, S - Iodine P - Kwashiorkor, Q - Iron, R - Marasmus, S - Fluorine P - Marasmus, Q - Calcium, R - Kwashiorkor, S - Fluorine

34. Refer to the given figure and select the correct option. S R P Q

A.



B.



C.



D.

The parts labelled R and Q are edible parts in spinach and turnip respectively. The part labelled R is edible in lettuce, turmeric and moringa. The part labelled S is edible in broccoli, clove and cabbage. All of these 5

35. Which of the following is adaptation with the animal? Animal A. Deer B. Lion C. Camel D. Yak

an incorrect match of Adaptation Long ears Eyes facing forward Long legs Padded feet

36. Pollution due to excessive use of polythene is a serious problem nowadays and government is encouraging the use of eco-friendly and biodegradable materials like jute. From which part of the plant are jute fibres obtained? A. C.

Stem Leaves

B. D.

Flowers Roots

37. Study the given flow chart. Animal? Yes Gives birth to young ones? Yes P No Lays eggs on land? Yes Q Yes

R

Has nymph stage in its life cycle? Yes

S





A.



B.



C.



D.

CNG is low in pollutants, high in calorific value and heat yield. CNG is economical and available in abundance globally. CNG is made by compressing natural gas to less than 1% of its volume at standard atmospheric pressure. None of these

39. Read the given relationships and select the option that will correctly complete them. I. Hiptage : Wind : : P : Explosion II. Cabbage : Winter : : Q : Summer III. Rice : Clayey soil : : R : Black soil IV. Maize : Dry soil : : S : Sandy soil P Q R S A. Xanthium Bajra Rice Onion B. Pea Maize Cotton Groundnut C. Xanthium Jowar Jute Bajra D. Pea Bajra Jute Jowar

42. Refer to the given chart that shows the integration of three different human organ systems. Identify them and select the correct option. Other body parts

Food

X

Fresh air Exhaled air



A.



B.



C.



D.

2

CO

2

nts

38. Nowadays, CNG is used as a substitute for petrol and diesel. It is a more environment friendly and cleaner alternative to conventional fuels. Which of the following statements is incorrect for CNG?

Insects Reptiles

O

R Q

trie

B. D.

Nu

P S

B. D.

Y 2

A. C.

Fish Birds

2

Which letter could represent a dragonfly?

A. C.

CO

Has pupa stage in its life cycle? No

6

Column II Column III a. Attached to 1. Protection for the thalamus bud Q. Tendril in b. Modified leaf 2. Reticulate pea venation 3. Modified for R. Scale leaf c. Onion defence 4. Modified for S. Sepal d. Modified root support 5. Modified to T. Tap root e. Carrot store food P Q R S T A. b, 3 b, 4 b, 5 a, 5 e, 2 B. a, 1 d, 3 c, 5 a, 1 e, 2 C. b, 3 b, 3 d, 5 a, 2 e, 2 D. b, 3 b, 4 c, 5 a, 1 e, 5 41. Savita found a living organism with the features described as follows : • Streamlined body • Hollow and light bones • Strong breast muscles To which group does this living organism belong?

No



Column I P. Spine

O



40. Match each item of column I with columns II and III and select the correct option.

Z

X-Digestive system, Y-Respiratory Z-Circulatory system X-Circulatory system, Y-Muscular Z-Respiratory system X-Circulatory system, Y-Skeletal Z-Respiratory system X-Digestive system, Y-Circulatory Z-Respiratory system

system, system, system, system,

43. Which of the following activities/processes can lead to global warming? (i) Burning of fuels (ii) Using mass transport systems (iii) Using CFCs in refrigerators (iv) Growing dense vegetations | 18th NSO | Class-6 | Set-1 | Level 1



A. B. C. D.

(v) Increasing use of air conditioners (vi) Digestion in cattle (vii) Using electricity carefully A. (i), (iii), (v) and (vi) only B. (i), (iii) and (v) only C. (i), (ii), (iii) and (iv) only D. (i), (ii), (iii), (iv) and (vi) only

44. Study the given flow chart that shows some ways of garbage disposal and answer the following question. Garbage disposal P Recycling



Q Compost heap

R Incineration

Which is the best way to dispose the types of garbage listed below? a. Fallen leaves b. Metal pans and pots c. Hospital wastes d. Animal droppings

a Q P Q R

b R P P P

c P R R R

d Q R Q Q

45. There are many plants growing healthily in a green house. Which of the following factors will affect the amount of oxygen and carbon dioxide in a greenhouse on a sunny day? (i) Amount of nitrogen gas in the air (ii) Amount of sunlight received by the plants (iii) Amount of water vapour in the air (iv) Number of plants in the greenhouse

A.

(i) and (iii) only



B.

(ii), (iii) and (iv) only



C.

(i), (ii) and (iv) only



D.

All of these

Achievers Section

Smooth Rough Rough Smooth

Absorbance of liquid Low High Zero Zero

Type of fabrics Natural Natural Synthetic Synthetic

The data suggests that the most likely culprit is _______. A. Suspect Z B. Suspect Y C. Suspect X D. Suspect W

48. Pooja is doing an experiment to find the strength of various parts of a U-shaped magnet. She spreads some iron filings on a sheet of paper. Which of the following bar graphs correctly represent the number of iron filings sticked to various parts of the U-shaped magnet?



A.

47. The properties of four different materials 1, 2, 3 and 4 are listed in the given wheel. Fill in the blanks with an appropriate option. 4. ______ 1. ______ Immiscible Floats with water initially then sinks Sorting out materials 3. ______ 2. ______ Opaque Hard and Lustrous





18th NSO | Class-6 | Set-1 | Level 1 |

B.

C.

D.

No. of iron filings



Texture

A B C D

No. of iron filings

Source of fabric Suspect W Suspect X Suspect Y Suspect Z

1 2 3 4 A. Glycerine Chalk Frosted glass Stone B. Oil Leather Wood Rubber band C. Vaseline Metal spoon Cardboard Cotton ball D. Honey Sponge Water Iron nail

A B C D

No. of iron filings

46. A fabric swatch was found at a crime scene. It was found to burn with a hair like smell. To identify the criminal from his clothing, the investigating officer took fabric samples from clothing of four suspects. He placed the data collected in the given chart to help him identify the sample taken from the crime scene.

A B C

D

Parts

Parts

A B C D

Parts

None of these 7

49. Three organisms live in different habitats and accordingly show different adaptations. Their features are recorded in the given table. Organism X Y

Z

Body temperature Constant Varies with environmental temperature Constant

Skin

Fur/Feather

Thick Thin

Present Absent

Thin

Present



Select the correct option regarding these animals.



A.



B.



C.



D.

Organism X can be a mammal that lives in a place where temperature is usually high. Organism Y can be an amphibian that lives in an arid area. Organism Z can be a bird that lives in a place with moderate temperatures during summers and winters. Organism X can be an aquatic reptile.

50. Shruti in an experiment, put a healthy, green plant in different conditions during a day, at different times P, Q and R. The rate of oxygen absorbed or released by this plant is shown in the given graph. 3 Rate of 2 oxygen uptake 1 (unit) 0 1 2 Rate of 3 oxygen release 4 (unit) 5 6

P

Q

R

Time of the day



Which of the following assumptions can be made about this experiment?



A.



B.



C. D.

At time P, that plant was put in a dark cupboard. At time Q, plant is not respiring because, no oxygen is being taken up. At time Q, the plant was moved to a dark room. At time R, the plant was put in a well lighted place.

SPACE FOR ROUGH WORK

8

| 18th NSO | Class-6 | Set-1 | Level 1

Class 6 18th

Set 2 Year 2015

logical reasoning 1.

How many 7’s are there in the given series which are immediately preceded by 6 but not immediately followed by 4? 74276436753578437672406743 A. One B. Two C. Four D. Six

2.





A.



B.



C.



D.

6.

If ‘+’ stands for multiplication, ‘×’ stands for division, ‘–’ stands for addition and ‘÷’ stands for subtraction. Then, the value of 20 – 8 × 4 ÷ 3 + 2 = ?



A. C.

7.

Select the mirror image of Fig. (X) from the given options, if the mirror is placed along PQ.

Which of the following Venn diagrams best represents the relationship amongst “Mammals, Cows, Crows”? A.





B.



C.

D.

3.

Select a figure from the options which satisfies the same condition of placement of the dots as in Fig. (X).

41 16

B. D.

19 18

P

Q

Fig. (X)

Fig. (X)



A.





A.



B.



C.

8.

In a certain code language, DIPLOMA is written as FERHQIC, then what is the code for PENCILS in the language?



A. B. C. D.

9.

Select a figure from the options, which when placed in the blank space of Fig. (X) would complete the pattern.

B.



C.

4.

If P is 40 m South-West of Q and R is 40 m South-East of Q, then what is the direction of R with respect to P?



A. C.

5.

A square transparent sheet with a pattern is given. Find the figure from the options as to how the pattern would appear when the transparent sheet is folded along the dotted line.

East North-East



D.

B. D.

West South



D.

RAPYHKU RAPYKHU RPAYKHU RAPKYHU

? Transparent sheet 2

Fig. (X) | 18th NSO | Class-6 | Set-2 | Level 1





A.



C.



B.

10. Pointing towards a boy, Namrata says, “He is the son of my grandfather’s only child.” How is the boy related to Namrata?

D.



A. B. C. D.

Brother Cousin Uncle Data inadequate

A. C.

(i) and (ii) (i), (ii) and (iv)

Science 11. Which of the following pairs relating different units are incorrect?

(i) (ii) (iii) (iv) A. C.

10 cm = 1 dm 20 m = 2000 km 30 mm = 3000 cm 40 m = 400 dm (i) and (ii) (iii) and (iv)



B. D.

Column I

(ii) and (iii) (i) and (iv)

S P

(i)

Circular Motion

(b)

(ii)

Periodic Motion

(c)

(iii) Oscillatory Motion

Q

Plane mirror

1 3

B. D.

2 4

13. Which of the following statements about energy is/are true?

(i) Energy cannot be stored or transmitted. (ii) Energy can neither be created nor destroyed. (iii) Energy cannot be converted from one form to another. A. (ii) only B. (ii) and (iii) C. (i) and (ii) D. (i) and (iii)

14. Which of the following statements are correct?

(i)

Venus is the second brightest object in the night sky. (ii) Comet is a small heavenly body made up of ice and dust. (iii) Asteroids are commonly known as shooting stars. (iv) Saturn is surrounded by several flat rings.

18th NSO | Class-6 | Set-2 | Level 1 |

Column II

(a)

A. C.

(i), (ii) and (iii) (i), (iii) and (iv)

15. Match the column I with column II and select the correct option from the given codes.

12. Four light bulbs are concealed from an observer by an opaque wall as shown in the figure. Without shifting the positions of the observer and the bulbs, how many bulbs can the observer see from the mirror? Opaque wall R



B. D.



A. B. C. D.

(a)

(b)

(c)

(i), (iii) (i), (ii) (i), (ii) (ii), (iii)

(ii), (iii) (i), (iii) (i), (ii) (i), (iii)

(i), (ii) (ii), (iii) (ii), (iii) (i), (iii)

16. An electrical circuit is shown here. When the switch S is opened, which of the following lamp(s) will switch off? 2 A. 1 only 1 3 B. 3 only S C. 2 and 3 only D. 1, 2 and 3 17. A solid, transparent sphere has a small, opaque dot at its centre. When observed from outside, the apparent position of the dot will be

A. B. C. D.

Closer to the eye than its actual position The same as its actual position Farther away from the eye than its actual position None of these. 3

18. Read the given statements and select the correct option. Statement 1 : In an electric circuit, the direction of current is taken to be from the negative to the positive terminal of the electric cell. Statement 2 : A current can flow only when its path forms a closed loop.

A.



B.



C. D.

Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1. Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. Statement 1 is true and statement 2 is false. Statement 1 is false and statement 2 is true.

19. Four plotting compasses are placed near a bar magnet. One compass appears like this . What is a possible position for the compass? (Ignore any effects of the Earth’s magnetic field.) 1 S

N

4



A. C.

1 3

B. D.



A. C.

W Y

X

4

R (iv) (iv) (i) (i)

22. The given diagram shows a method by which a solid can be separated from solid-water mixture. Which one of the following could be that solid? Filter paper Solid Liquid



A. B. C. D.

Salt Sugar Sand Ice crystals

2 4

Statement 2 : In a physical change, the substance remains same but shape and size of the substance changes.

A.



B. C. D.

Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1. Statement 1 is true and statement 2 is false. Statement 1 is false and statement 2 is true. Both statements 1 and 2 are false.

24. Study the given flowchart carefully.

B

Material

W

B. D.

S (iii) (ii) (iv) (ii)

Statement 1 : All physical changes are reversible changes.

X Z

Column I Water in an icetray (i) turning into ice cubes. Perfume gradually (ii) losing its smell. Water droplets forming (iii) on the windowpanes of an air conditioned bus. Bubbles appearing in a (iv) liquid when it is heated.

Yes

P

21. Match the column I with column II and select the correct option from the given codes. P. Q. R. S.

Q (i) (i) (ii) (iii)

3

A Y

P (ii) (iii) (iii) (iv)

23. Read the given statements and select the correct option.

2

20. A pendulum bob pivoted at point A, starts swinging from point B. Assuming that there is no loss of energy to the surroundings, at which position will the bob next come to a momentary rest? Z

A. B. C. D.

Column II Evaporation Boiling Freezing

Condensation

Q

Yes

Conducts heat and electricity?

Transparent?

Yes

No

High melting point?

No

Brittle? No

Strong?

Yes

S

Yes

R

Identify the four groups of materials P, Q, R and S. P A. Metals B. Ceramics C. Plastics D. Metals

Q Ceramics Glass Metals Glass

R Plastics Metals Glass Ceramics

S Glass Plastics Ceramics Plastics

| 18th NSO | Class-6 | Set-2 | Level 1

25. Study the given diagram carefully and select the correct option.



X P

U

Q

T

Y

29. Which of the following affects the solubility of a substance?

Z

I. II. III. A. C.

Type of solvent Temperature Size of the particles I and II B. II and III D.

I and III I, II and III

30. Select the option that is not true regarding the type of seed dispersal shown in figure. Seeds

R

A. B. C. D.

X – Solid, Y – Liquid, R – Heating Y – Gas, Z – Liquid, T – Heating X – Solid, Z – Gas, P – Freezing Y – Gas, X – Liquid, Q – Cooling

26. Which of the following is correctly matched?

I. No more salt can be dissolved – Saturated solution II. Milk and water can be separated – Filtration III. To separate heavier and lighter components – Winnowing IV. To obtain butter from milk – Sieving A. I and III B. II and IV C. I, III and IV D. All of these

27. Which of the following statements is true?

A.



B.



C.



D.

Setting of milk to form curd is a chemical and reversible change. Spoiling of food is a chemical and irreversible change. Burning of paper is a physical and reversible change. Boiling of an egg is a physical and reversible change.

28. Study the given Venn diagram. Chemical change

Slow change

Irreversible change



Centre point (•) represents A. Making paper boat B. Burning crackers C. Blowing a balloon D. Rusting of a bicycle.

18th NSO | Class-6 | Set-2 | Level 1 |



A.



B.



C.



D.

Seeds dispersed by this method are small and light in weight. This type of seed dispersal is found in cotton and dandelion. Seeds dispersed by this method may possess hair or wing like structures. This type of seed dispersal cannot carry the seeds to far off places.

31. Which out of the following features is common to both the frog and the earthworm?

A. B. C. D.

Both Both Both Both

live in burrows to keep themselves cool. possess scales on their bodies. breathe through their moist skin. of them do not possess a backbone.

32. In a cage with plenty of plants, P three organisms P, Q and R were kept together. Out of these Q three, two are herbivores while R one is carnivore. The changes in Time their population over time were plotted in the graph as shown here. Which of the following conclusions can be made about their eating habits? Population



S



A. B.



C.



D.

Q is a carnivore that feeds on P. Q is a herbivore that feeds on the available plants and is also not eaten by P. R is a herbivore that does not feed on the available plants and is also not eaten by P. Q is a carnivore that feeds on R.

33. Read the given statements and select the correct option. Statement 1 : Woollen clothes provide us warmth in cold weather. Statement 2 : Woollen fibres trap air in the pockets formed between the individual fibres. 5



A.



B.



C. D.

Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1. Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. Statement 1 is true and statement 2 is false. Statement 2 is true and statement 1 is false.

34. A funnel is fitted into a stopper that closes the mouth of a flask as shown in the given diagram. Sonu wants to fill the flask with water but water does not flow in when it is poured into the funnel. This is because _______.

Funnel Water Stopper

Flask

37. Select the incorrect statement out of the following.

A.



B.



C.



D.

Weaving and knitting are the two methods of converting yarn into fabric. Synthetic fibres have less water absorption capacity than natural fibres. Jute plants are harvested at flowering stage to obtain fibres. Cotton fibres are sourced from seed hair and thus burn with smell like that of a burning hair.

38. Select the correct statement about skeletal system in some animals. Earthworms have liquid skeleton i.e., the liquid trapped in body spaces keeps the body firm. Snails and sharks have only a skeleton outside their body i.e., an exoskeleton. Snakes and birds have hollow bones which reduces their body weight and makes movement easier. Cockroaches have an endoskeleton made of chitin.



A.

The air pressure inside the flask is lower than the pressure of water in funnel. The space in the flask is occupied by air. The funnel is too small for water to flow through. The mouth of the flask is not sealed tightly enough.



B.



C.



D.

35. Refer to the given flow chart and select the option that correctly identifies the fibres P, Q and R.



(i) Large sized ears (ii) Thick fur on the body (iii) Waterproof fur or feathers (iv) Thick layer of fat under the skin (v) Aestivation (vi) Hibernation Which of these adaptations can be found in animals living in polar regions?



A. C.



A.



B. C.



D.

Plant fibre From stem

From fruit

From seed

P Q   P   Q   R A. Cotton Jute Flax B. Flax Coir Cotton C. Jute Cotton Coir D. Cotton Terylene Jute

R

39. Given below are some adaptations shown by animals.

(i), (ii), (iii) and (v) B. (ii), (iii), (iv) and (vi) D.

(iii), (iv), (v) and (vi) (ii), (v) and (vi)

40. Which of the following activities will not help to reduce pollution?

36. P Q



A.



B. C. D.

Restricting littering and dumping of waste in water bodies. Restricting smoking in public areas. Spraying pesticides on plants to kill pests. Treating waste water before discharging it into rivers.

41. Study the given table. Vitamin A B3 D (iv)

R S

Identify the joints labelled as P, Q, R and S in the given figure, and select the correct option.



Gliding joint A. S B. R C. R D. S 6

Ball and socket joint P Q Q P

Hinge joint Q P S Q

Pivot joint R S P R

Source Carrots Whole cereals (iii) Green vegetables

Deficiency causes (i) (ii) Rickets Excessive bleeding from wounds Select the correct option for (i), (ii), (iii) and (iv). (i) (ii) (iii) (iv) A. Night Pellagra Mushrooms K blindness B. Night Beri-beri Mushrooms K blindness C. Pellagra Beri-beri Amla C D. Beri-beri Night Eggs B12 blindness | 18th NSO | Class-6 | Set-2 | Level 1

42. Sumit performed the scratch test with three types of minerals X, Y and Z and the results are shown here. Y

Z

X Scratch marks

X

X No scratch marks

Z Scratch marks

Select the option that correctly arranges these minerals in ascending order of hardness.

X < Y < Z Z < X < Y

A. C.

B. D.

Z
43. Study the given flow chart. Is it a gas?

Start

Yes

Does it support burning?

No

Yes

Q

No

P

Is it given out during respiration?

Yes

R

No

S Which of the following letters represents nitrogen gas?

A. C.

P R

44. Which of the following statements is incorrect for the organisms shown in the picture?

B. D.

Q S



A.



B.



C.



D.

They are adapted to reduce evaporative loss of water from their body. The outermost layer of their body is thick and protective. They can store a large amount of water in their body. None of these

45. Match column - I with column - II and select the correct option from the given codes. (a) (b) (c) (d) (e) A. B. C. D.

Column I Column II Floods (i) Aquifers Ground water (ii) Salt water Ocean (iii) Rain Precipitation (iv) Dirt and water vapour Clouds (v) Excess rain (a) - (i), (b) - (ii), (c) - (iii), (d) - (iv), (e) - (v) (a) - (v), (b) - (i), (c) - (ii), (d) - (iii), (e) - (iv) (a) - (i), (b) - (v), (c) - (iii), (d) - (ii), (e) - (iv) (a) - (v), (b) - (i), (c) - (iii), (d) - (ii), (e) - (iv)

Achievers Section 46. The given figure shows a bar magnet. If this magnet is placed on a sheet of paper containing iron filings, then which of the following graphs best shows the number of iron filings sticked to it as its length increases from point P to point Q?

C.



B.

P Length Q

P Length

No. of iron filings

Q

P Length



D.

Q

No. of iron filings



A.

No. of iron filings



No. of iron filings

P

P Length

Q

Q

47. Abhinav observed the solubility of common salt in water under different sets of conditions as given in the table. 18th NSO | Class-6 | Set-2 | Level 1 |

Set-up Volume of Common water (mL) salt 1 50 10 g rock crystals 2 50 10 g finely powdered 3 100 10 g rock crystals 4 100 10 g finely powdered

Temperature (°C) 30 60 30 60

Study the given data carefully and fill in the blanks by choosing an appropriate option. Abhinav concluded that salt dissolved fastest in set-up (i) and slowest in set-up (ii) . This is because the solubility increases with (iii) in temperature, (iv) in particle size of salt and (v) in volume of water. A. B. C. D.

(i) 4 2 4 1

(ii) 1 3 1 4

(iii) decrease increase increase increase

(iv) increase decrease decrease decrease

(v) decrease increase increase increase 7

48. Read the given passage. To test the presence or absence of proteins in a food sample, take some mashed eggs in a test tube, add few drops of water into it and shake it. Then add two drops of Benedict’s reagent and ten drops of ethanol to the test tube. Shake well and let the test tube stand for a few minutes. Violet colouration indicates the absence of proteins in the food sample. Some of the words have been italicised in the passage. Select the correct statement regarding them.

A. B. C. D.

Benedict’s reagent should not be replaced. Ethanol should be replaced by caustic soda solution. Violet should be replaced by red. Absence should not be replaced.

49. Read the given passage and answer the accompanying question. X is the part of the plant which generally grows towards light. It transports water, minerals and food to all parts of the plant. In some plants, X is modified to prepare food, e.g., in Y. In some other plants, X grows underground and stores food, e.g., in Z. Which of the following statements is correct regarding X, Y and Z?

A.

The main function of X is to absorb water from the soil.



B.



C. D.

Y can be a plant that is adapted to live in desert areas. Z can be a sweet potato plant. In plant Z, X changes into fruit after pollination.

50.



Refer to the given diagram representing water cycle. Different processes of the water cycle have been labelled as 1, 2, 3, 4 and 5. Select the incorrect option regarding these.



A.



B.



C.



D.

Process 5 will increase when humidity of air decreases while process 2 will decrease. Process 3 can involve change from gaseous to liquid state or from gaseous to solid state depending upon the ambient temperature. An increase in process 4 can gradually lead to a decrease in process 1. Process 5 and 2 are interrelated and an increase in process 5 leads to an increase in process 2.

SPACE FOR ROUGH WORK

8

| 18th NSO | Class-6 | Set-2 | Level 1

Class 6 19th

Set A Year 2016

logical reasoning 6.

1.

Select the odd one out.



A. C.

2.

How many minimum number of straight lines are required to make the given figure?

5, 10, 20, 15 10, 20, 60, 45

15 17

B. D.

B. D.

25, 50, 100, 75 15, 30, 60, 45



A. C.

3.

Find the missing number, if a certain rule is followed row-wise or column-wise. 6 6 5 7 4 3 120 126 4 12

16 18

9 5 ? 360



A. C.

B. D.

4.

Select a figure from the options, which when placed in the blank space of Fig. (X) would complete the pattern.



A.



B.



C.



D.

5.



?

A.



B.



C.



D.

7.

In a certain code language, CENTRAL is written as ABCDEFG and PLANETARIUM is written as HGFCBDFEIJK. How will LANTERN be written in the same code language ?



A. C.

8.

Five boys are standing in a row facing East. Mohit is to the left of Sameer, Tushar and Samrath. Sameer, Tushar and Samrath are to the left of Aman. Samrath is between Sameer and Tushar. If Tushar is fourth from the left, how far is Sameer from the right?



A. C.

9.

Select a figure from the options, which will complete the given figure matrix.

8 16

GFCDFEG GFCDBEC

First Third

B. D.

B. D.

GFCDEFG GFCDBEB

Second Fourth



A.



B.

Study the diagram carefully.



C.



D.

Architects who are neither Indians nor musicians are represented by ________.

10. Arrange the given words in the sequence in which they occur in the dictionary and then choose the correct sequence. 1. Protein 2. Problem 3. Proverb 4. Property 5. Project A. 1, 2, 3, 4, 5 B. 2, 1, 4, 3, 5 C. 2, 5, 4, 1, 3 D. 3, 4, 5, 2, 1

A. C. 2

Select a figure from the options, which will continue the same series as established by the Problem Figures. Problem Figures

b f

B. D.

c g

| 19th NSO | Class-6 | Set-A | Level 1

Science 11. A bar magnet gets broken into four pieces E, F, G and H.

Which of the following options shows the correct poles in broken pieces ?

A.



B.



C.



D.

15. To protect the user, part(s) _______ of the plug as shown in the figure must be made of electrical insulators.



13. Which of the following statements about pinhole camera are correct ? It is a camera with a single lens. It produces an upside down image of object. It does not have a screen. It works because light travels in a straight line. It forms real and colourless shadows of objects. (i) and (v) only (ii) and (iv) only (i), (iii) and (iv) only (ii), (iv) and (v) only

14. Which of the following statements is incorrect about the asteroids?

A.



B.



C.



D.

B. D.

Column-I

What are the forces X and Y ? Force X Force Y A. 1 N 0N B. 2 N 1N C. 3 N 3N D. 4 N 7N

(i) (ii) (iii) (iv) (v) A. B. C. D.

P only R and S

R only Q and S

16. Match column-I with column-II and select the correct option.

12. A 1 m long uniform beam is being balanced as shown in the given figure.



A. C.

They are planet like objects, but smaller and often irregularly shaped. Majority of asteroids orbit in the asteroid belt between the orbits of Mars and Jupiter. Asteroids are mainly composed of mineral and rock. Vesta is the largest and most massive asteroid discovered.

19th NSO | Class-6 | Set-A | Level 1 |



Column-II

(i)

(a)

Rectilinear motion

(ii)

(b)

Oscillatory motion

(iii)

(c)

Curvilinear motion

(iv)

(d)

Rotatory motion

A. B. C. D.

(i) (i) (i) (i)

– – – –

(c), (ii) – (b), (iii) – (d), (iv) – (a) (c), (ii) – (a), (iii) – (d), (iv) – (b) (d), (ii) – (a), (iii) – (b), (iv) – (c) (d), (ii) – (b), (iii) – (a), (iv) – (c)

17. Peehu has a card with the word MAGNET written on it. She places a plane mirror at position (1) and then at position (2) as shown in the figure and observes the images.

Which of the following options correctly shows the images formed by the plane mirror for the two given positions? Position 1 Position 2

A.



B.



C.



D. 3

18. In which of the following does the fulcrum not lie between the effort and the load ?

A.



C.



B. D.

19. Study the given flowchart carefully.

Which of the following statements is true about X and Y?

A.



B. C. D.

Particles of element X can move freely in all directions. Element Y is incompressible in nature. Element X is a solid and element Y is a gas. Element X is less denser than element Y.

23. Substances W, X, Y and Z are obtained from different types of mixtures by using appropriate separating processes as shown in the given flowchart : Types of Mixtures Solid in solid

Solid in liquid

Liquid in liquid

Separating process W

Which of the following correctly lists the names of planets that can be placed at P, Q, R and S in the given flowchart ?   P   Q   R   S A. Mars Venus Earth Mercury B. Venus Mercury Earth Mars C. Mercury Earth Mars Venus D. Mars Earth Venus Mercury 20. Fill in the blanks by choosing an appropriate option. Magnetic strength of a bar magnet is (i) at its poles and (ii) at its centre. Two (iii) poles attract each other whereas two (iv) poles repel each other. (i) (ii) (iii) (iv) A. Maximum Minimum Opposite Similar B. Maximum Maximum Opposite Similar C. Minimum Minimum Similar Opposite D. Minimum Maximum Similar Opposite



21. Rashmi, a class 6 teacher listed the given materials on the board and asked students to classify them on the basis of transparency. (I) Window glass (II) Oily paper (III) Metal sheet (IV) Thin muslin cloth (V) Concrete wall Which of the following represents the correct classification? A. I, IV-transparent; II-translucent; III, V-opaque B. I, II-translucent; III-opaque; IV, V-transparent C. I-transparent; II, IV-translucent; III, V-opaque D. V-opaque; II, III-translucent; I, IV-transparent



22. The given diagrams represent two elements :

Element X 4

Element Y

Immiscible liquids Soluble solid Separating process X

Separating process

Insoluble solid Separating process

Z

Y

Separating processes used to obtain W, X, Y and Z respectively are

A.



B.



C.



D.

Winnowing, filtration, sedimentation and evaporation Sedimentation, winnowing, filtration and separating funnel Handpicking, sedimentation, winnowing and evaporation Sieving, evaporation, filtration and separating funnel.

24. Rohan, a class 6 student used lemon juice to write a secret message to his friend on a white paper. He let the paper dry completely and message disappeared (Process I). He asked his friend to gently heat the paper (taking care that it does not catch fire) to see the message (Process II). Which of the following statements is correct regarding the types of changes taking place in processes I and II?

A. B. C.



D.

Both are physical changes. Both are chemical changes. Process I is a physical change and process II is a chemical change. Process I is a chemical change and process II is a physical change.

25. Which of the following statements are incorrect?

I.

Vinegar and lemon juice form a separate layer on water. II. Freshly cut surfaces of metals are lustrous. III. Oxygen gas is transparent while milk is opaque. IV. Wax when mixed with water forms a solution. A. I and II only B. I and IV only C. III and IV only D. None of these | 19th NSO | Class-6 | Set-A | Level 1

26. The given diagram describes the changes that take place between different states of matter :



A. B. C. D.

Objects X and Z will sink while W and Y will float. Objects W and Y will sink while X and Z will float. All four objects will sink. All four objects will float.

30. Refer to the given figure showing a typical plant with its parts labelled as U, V, W and X and read the following paragraph. X

W

The processes in which heat energy is given out are A. I and III only B. I, IV and V only C. I, II and IV only D. None of these.

U

27. Some common changes are classified in the given table : S. No.



Changes

Type

1.

Stiching a shirt from the fabric

Irreversible

2.

Breaking of an egg

Chemical

3.

Lighting an electric bulb

Reversible

4.

Occurrence of new moon

Non-periodic

5.

Dissolving sugar in water

Physical

Which of these changes are correctly matched? A. 2, 4, and 5 only B. 1, 3 and 5 only C. 2 and 5 only D. All of these

28. Sonali mixed a packet of salt in a small amount of sand and then tried to recover the salt by the usual processes of sedimentation, decantation or filtration followed by evaporation. To her surprise, she could recover only a small part of the salt that she had taken. The possible reasons could be

I. II.

Salt also got evaporated along with water. The quantity of salt was much more than that required to form a saturated solution. III. The undissolved salt remained mixed with sand. IV. The quantity of water taken was insufficient to dissolve all the salt. A. II and III only B. I and IV only C. II, III and IV only D. All of these.

29. Soham, a class 6 student, took four solid objects W, X, Y, and Z of different weights and made from the same plastic material of density 0.85 g/cm3 and placed them in beakers containing equal amount of water having density 1.0 g/cm3 as shown in the figure :



What would be his observation?

19th NSO | Class-6 | Set-A | Level 1 |

V



P is a plant where part U is edible, plant Q has edible part W, plant R has edible part X whereas plant S has edible part V.



that correctly identifies these

Select the option plants. P A. Clove B. Pomegranate C. Pomegranate D. Cumin

Q Mustard Rose Spinach Rose

R Cumin Orange Clove Spinach

S Ginger Turmeric Radish Potato

31. Select the incorrect option regarding the given figure of a neuron with its parts labelled as P, Q, R, S and T. P

Q R S

T

A.

Part P of this neuron connects with part T of another neuron.



B.



C.



D.

Part R is formed by wrapping of a special cell around S of the neuron. Part Q is central vacuole that contains signal transmitting compounds. Part P receives signals and part T carries signals out of the neuron. 5

32. On the basis of body covering, Rohit made four groups of three organisms each. In an attempt of doing so, he classified organisms incorrectly in one of the groups. Identify this group and select the correct option.

A. B. C. D.

Tortoise, Snail, Oyster Fish, Snake, Lizard Penguin, Ostrich, Bat Hippopotamus, Whale, Cow

33. Match column I with column II and select the correct option from the given codes. Column I Column II

a.

Iron

(i) Beriberi



b.

Vitamin B1

(ii) Anaemia



c.

Vitamin C

(iii) Scurvy



d.

Vitamin D

(iv) Goitre



e.

Iodine

(v) Rickets



A. B. C. D.

a a a a

-

(ii), b - (i), c - (iii), d - (v), e - (iv) (i), b - (iii), c - (iv), d - (v), e - (ii) (iii), b - (ii), c - (iv), d - (v), e - (i) (iv), b - (i), c - (v), d - (iii), e - (ii)

34. A large number of fur seals and aquatic birds were found dead near a water body. The reason behind their death came out to be the failure of their temperature regulating system. This indicates the occurrence of a/an _____________ recently. A. Avalanche B. Oil spill C. Acid rain D. Flood 35. The given relationship is based on eating habits of animals. Deer : Sparrow : Lion

Which of the following options satisfies the same relationship? A. Tiger : Bear : Ant B. Cow : Crow : Tiger C. Lion : Goat : Leopard D. Sheep : Panther : Bear



36. Cinchona, isabgol, neem, Rauwolfia are

A. C.

Oil yielding plants Fibre yielding plants

B. D.

Medicinal plants Food plants.

37. Equal sized square pieces of three different fabrics X, Y and Z were taken and spread out on a floor. Three small similar metal balls were each rolled with equal force from one end diagonally to the other end of fabric piece. Time taken by the balls to reach other end of fabric was noted to be as follows : 6



X Y Z 2.5 sec 2 sec 4 sec Now, select the correct option regarding this.



A.



B.



C.



D.

Fabric Z can be obtained from seeds of a plant and fabric Y can be obtained from stem of a plant. Fabric Z can be obtained from the stem of a plant and fabric Y can be obtained from larva of an animal. Fabric Y can be obtained from the fur of an animal and fabric X can be obtained from larva of an animal. Fabric Y can be obtained from the fur of an animal and fabric Z can be obtained from larva of an animal.

38. X is a stem modified to store food, while Y is a stem modified to make food. X and Y are respectively A. Cactus and sweet potato B. Onion and potato C. Ginger and cactus D. Dahlia and ginger. 39. Refer to the given figures and select the correct option regarding these, when they are operating.



A.



B.



C.



D.

I

II

Object I converts mechanical energy into kinetic energy whereas object II converts electrical energy into potential energy. Object II converts electrical energy into kinetic, heat and sound energy. Object I converts potential energy into kinetic energy. Both B and C

40. If P represents the fibre and Q represents the fabric, find out the correct order in which Q is made from P.

A.



B.



C.



D.

P obtained from source, Weaving, Yarn, Spinning, Q P obtained from source, Spinning, Weaving, Yarn, Q P obtained from source, Spinning, Yarn, Weaving, Q None of these

41. ‘Reducing’ a part of garbage management can be exemplified by __________.

A. B.



C. D.

Carrying your own jute bag while shopping Packing objects using least possible packing material Using both sides of paper for writing All of these | 19th NSO | Class-6 | Set-A | Level 1

42. In the textile industry, the given tool was used earlier to produce ______ from ________.

A. B. C. D.

Fibre, Yarn  Yarn, Fibre Fabric, Yarn Yarn, Fabric

43. Refer to the given flow chart and identify the components X, Y and Z of air? Promotes burning

Yes

X

Yes

A. B. C. D.

A. B. C. D.

X Alternate Opposite Whorled Opposite

X

Y Y Opposite Whorled Alternate Alternate

Mineral X Y Z

Y

No





Z

Z Whorled Alternate Opposite Whorled

45. The given table shows the rank of three different minerals on the scale of hardness.

No

Needed by plants to make food



Z

X – Nitrogen, Y – Oxygen Y – Carbon dioxide, Z – Oxygen X – Oxygen, Z – Nitrogen Y – Nitrogen, Z – Carbon dioxide

44. Phyllotaxy is the arrangement of leaves on the stem. Identify the three types of phyllotaxy shown in the given figures, X, Y and Z.

Rank of hardness 5 3 8



Based on the above data, which of the following results of scratch test will be obtained? Z Y



A.

Z

Scratch marks

B.

Scratch marks

Y



C.



Scratch marks

Y X

X



D.

Scratch marks

Z

Achievers Section Direction: Refer to the given paragraphs to answer questions 46 and 47. P is a joint that allows movement in one plane only and shows 180° of movement. The movement of car doors resembles the movement of bones between which this joint is present. This type of joint is found in our body at elbow and in skull. Q joint allows movement in all directions and in more than one plane. This joint controls the movement of the humerus and femur bones. Movement of pestle in a mortar resembles the movement of bones in this joint. 46. The joints P and Q in the above paragraphs are respectively A. Hinge joint, Pivot joint B. Pivot joint, Ball and socket joint C. Gliding joint, Hinge joint D. Hinge joint, Ball and socket joint. 47. Some of the italicised words are mentioned incorrectly in the paragraphs. Select the correct option regarding them. 19th NSO | Class-6 | Set-A | Level 1 |



A. B. C. D.

Femur should be replaced by tibia. 180° should be replaced by 360°. More than should be replaced by only. Skull should be replaced by knee.

48. A scientist conducted a study on four different species of organisms (W, X, Y and Z) that are related in an aquatic food chain. He estimated the total number of individuals in the population of each species and the average biomass of each individual. Species Average biomass Number of of each individual/ individuals arbitrary units 5000 85 W 14500 43 X 32 200 Y 18 4000 Z Which of the following shows the correct relation of these species in a food chain? A. Z → Y → W → X B. X → W → Z → Y C. X → W → Y → Z D. Z → W → X → Y 7

49. One of the four identical light bulbs in a series circuit has blown off as shown in the figure.

Reversible change 1 Physical change 3 Chemical 2 change 4 Irreversible change

Which of the following statements is correct about the bulbs?

A.

R will not glow while P, Q and S will glow as before.



B.

R will not glow while P, Q and S will glow brighter than before.



C.

R will glow brighter than before while P, Q and S will glow as before.



D.

All the bulbs P, Q, R and S will not glow.

50. Observe the given Venn diagram carefully and fill in the blanks by choosing an appropriate option.

A.

1 Falling of trees

2 3 4 Occurrence Growth Tearing of rainbow of plants paper into pieces

B.

Knitting Setting of sweater milk to from wool form curd

Making Dissolving sugar in rice puddings water

C.

Expansion Breaking of mercury of glass in thermometer

Lighting LPG stove

Boiling an egg

D.

Filling a water bottle

Burning of paper

Boiling of water

Melting of ice

SPACE FOR ROUGH WORK

8

| 19th NSO | Class-6 | Set-A | Level 1

Class 6 19th

Set B Year 2016

logical reasoning 1.

Trishika starts walking straight facing South. After walking 30 metres she turned to her right, walked 25 metres and turned to her left. Again after walking a distance of 10 metres she turned to her left. In which direction is she facing now?



A. B. C. D.

2.

Select the CORRECT match.



A.



West East North-East South-West



A. B. C. D.

6.

Pointing to a photograph, a man said, "She is the daughter of my grandfather's only son." How is the woman related to the man?



A. C.

7.

If 'P' denotes '×', 'R' denotes '÷', 'M' denotes '–' and 'W' denotes '+', then the value of

– Mountains, Forest, Earth



B.



– Fruit, Mango, Grass

1, 1, 1, 1,

5, 4, 2, 3,

6; 7; 3; 5;

2, 2, 4, 2,

3, 5, 5, 4,

4; 8; 8; 8;

Mother Sister

7, 3, 6, 6,

8, 6, 7, 7,

9 9 9 9

B. D.

Daughter Sister-in-law

20 R 5 W 12 M 3 P 4 = ?

A. C.

8.

Select the option which satisfies the same conditions of placement of the dots as in Fig. (X).



A.

– Cars, Brakes, Steering wheels

4 28

B. D.

16 52



C.



D.

3.

Select a figure from the options which completes the pattern in Fig. (X).



A.



B.



C.



C.

9.



D.

4.

Mohit is 27th from the left end in a row of 49 boys and Samrath is 27th from the right end in the same row. How many boys are there between them in the row?

If in a certain code language, UTENSIL is coded as WVGPUKN, which word would be coded as WINTER ? A. UGLRCP B. UGLRPC C. ULGRCP D. PCRLGU



A. C.

5.

Group the given figures into three classes using each figure only once.



– Cereal, Wheat, Rice



6 5

B. D.

1

2

3

4

5

6

7

2

3 Can't be determined

8





B.



D.

10. Select the correct mirror image of the given figure, if the mirror is placed vertically to the left.



A.



B.



C.



D.

9

| 19th NSO | Class-6 | Set-B | Level 1

Science 11. Which of the following arrangements of four bar magnets is not possible?

A.



B.



C.



D.

P 10 N

Q 8 N



B.

9 N

9N



C.

2 N

16 N



D.

6 N

14 N



A. B.



C. D.

1/1000000 1/10000000

(i) A. East B. East C. West D. West

B. D.

(ii) West West East East

Column-I

Eclipse occurs due to reflection of light. A person located in umbra region may not see the source of light directly. Moon is a luminous body. The size of the shadow depends on the size of object only.

14. In which of the following does the fulcrum lie between the load and the effort ?

A.



B.



C.



D.

1/100000 1/1000



15. Which of the following options correctly shows the image formed in the two given cases ?

(iii) East West East West

(iv) West East West East

18. Match column-I with column-II and select the correct option from the given codes.

13. Which of the following statements is correct?

A. C.

17. Fill in the blanks by choosing an appropriate option. Venus is the brightest planet in the Earth’s night sky. Venus rotates from (i) to (ii) about its axis, and all the other planets rotate from (iii) to (iv) about their axes.

12. A windmill is pushed by four external forces as shown in the figure. Which of the following is not a possible set of forces P and Q for the windmill to be stationary ? A.

16. Submultiple micro is equal to

Column-II

(i)

(a) Oscillatory motion

(ii)

(b) Rotatory motion

(iii)

(c) Curvilinear motion

(iv)

(d) Random motion

A. B. C. D.

(i) (i) (i) (i)

– – – –

(b), (ii) – (a), (iii) – (d), (iv) – (c) (c), (ii) – (d), (iii) – (a), (iv) – (b) (b), (ii) – (d), (iii) – (a), (iv) – (c) (c), (ii) – (a), (iii) – (d), (iv) – (b)

19. In the given circuit, the three lamps are identical. When switch S is closed then

A. B. C. D.

Case (i)

19th NSO | Class-6 | Set-B | Level 1 |

Case (ii)

A. B. C. D.

Lamp Lamp Lamp Lamp

P becomes dimmer P is as bright as lamp Q Q is not as bright as lamp R P remains as bright as before. 3

20. Study the given flowchart carefully.

C.



D.

24. Match the Column I with Column II and select the correct option from the given codes.



Which of the following correctly lists the names of planets that can be placed at P, Q, R and S in the given flowchart?

A. B. C. D.

P Saturn Saturn Jupiter Jupiter

Q Jupiter Uranus Neptune Saturn

R Uranus Jupiter Saturn Neptune

S Neptune Neptune Uranus Uranus

21. Substances X, Y and Z have the following properties : X : Elastic, opaque, non-edible Y : Liquid, inflammable, edible Z : Hard, floats on water, inflammable X, Y and Z are respectively A. Plastic, milk and iron nail B. Sand, honey and soap C. Rubber band, cooking oil and matchstick D. Aluminium foil, shampoo and steel plate.



P. Q. R. S. A. B. C. D.

Material

A. B. C. D.

Boiling and vaporisation Sublimation and evaporation Boiling and condensation Melting and condensation.

23. Which one of the following diagrams represents an example of an element-element mixture?

A.

4



B.

Ap- Transparpearency ance

1. Silver coin Hard Opaque





Column II Winnowing Filtration Separating funnel Sieving

25. During summer holidays while doing their science project, a group of class 6 students classified things around them as given in the table :

22. The given figure shows the apparatus used to obtain pure water from sugar solution :

The processes occurring in apparatus I and II are respectively

Column I Cleaning muddy water 1. Separating sand 2. from gravel Separating chaff 3. from the grains Separating kerosene 4. from a mixture of kerosene and water P  Q  R  S 4  2  1  3 2  4  3  1 3  2  1  4 2  4  1  3

Floats/ sinks in water Sinks

Transparent Sinks

Soluble/ insoluble in water Insoluble

2. Grass

Soft

Soluble

3. A piece of glass

Hard Transparent Sinks

4. Cotton ball

Soft

Opaque

Floats Insoluble initially then sinks

5. Hair

Soft

Opaque

Sinks

Insoluble

Soluble

Materials classified incorrectly are A. 3 and 4 only B. 1 and 5 only C. 2 and 5 only D. None of these.

26. While explaining the working of a clinical thermometer, Ms. Kusum, a science teacher explained that when temperature rises, mercury in the thermometer expands (Process I) and when temperature goes down, the mercury contracts and falls to a lower reading (Process II). Which of the following statements are correct regarding the processes I and II? (i) Both processes represent chemical changes. (ii) Both processes are reversible. (iii) Process I is a physical change and process II is a chemical change. (iv) Both processes represent physical changes.

A. C.

(ii) and (iv) only (ii) and (iii) only

B. D.

(i) and (ii) only None of these

| 19th NSO | Class-6 | Set-B | Level 1

27. W h e n f o u r d i f f e r e n t substances W, X, Y and Z are placed in a beaker, they get arranged in a way as shown in the figure : Identify substances W, X, Y and Z. W X Y A. Stone Mustard oil Mercury B. Ice cube Mercury Mustard oil C. Iron bar Honey Mustard oil D. Mercury Iron bar Honey

Z Ice cube Paper Wooden block Wooden block

28. The given table shows some properties of three substances P, Q and R : Substance





Soluble in Attracted water by magnet P   Q   R   The following steps were carried out to obtain P from a mixture of P, Q and R : 1. Filtration 2. Evaporation 3. Magnetic separation 4. Addition of water The sequence in which these steps should be carried out is A. 4, 1, 2, 3 B. 3, 4, 2, 1 C. 3, 4, 1, 2 D. 4, 3, 2, 1

29. A solid substance ‘X’ sublimes at 95°C. Which of the following figures represents the arrangement of particles of ‘X’ at 100°C?

A.



C.





B.

D.

None of these

30. Read the given paragraph. P is a bird that migrates from Arctic to Antarctica to escape cold weather conditions, Q is a fish which migrates from freshwater to sea to breed whereas R is also a fish which migrates from sea to freshwater to breed and S is an insect which migrates from Canada to Mexico to escape winters. Identify organisms P, Q, R and S and select the correct option regarding them. A. P almost covers a distance of 71000 km on average during its migration cycle. B. Q completes its migration in single generation whereas R completes its migration in 5 generations. 19th NSO | Class-6 | Set-B | Level 1 |



C.



D.

S forms swarms which destroy and eat away crop fields that come in their way. P is Siberian crane, Q is eel, R is salmon and S is Monarch butterfly.

31. Which of the following does not involve a reflex arc? A. Closing of the eyes when a foreign object flies into them B. Kicking a soccer ball away when it is passed to you during a game C. Stepping back when the toe is pricked by a thumbtack D. Withdrawing the hand when it is burnt by a flame 32. Refer to the given dichotomous key. I.

(a) Rock is formed from volcanic lava. – Go to II (b) Rock is formed by deposition and cementing of small rock fragments under pressure within water bodies. – Go to III II. (a) Formed when magma slowly cools down beneath the earth's surface – P (b) Formed when lava quickly cools down on earth's surface – Q III. (a) Formed when particles of sand get cemented together – R (b) Formed from shells and skeletons of tiny sea creatures – S Select the correct statement regarding P, Q, R and S.

A.



B.



C.



D.

P consists of minerals such as mica, quartz and feldspar. Powdered Q is used by dentists for polishing teeth whereas surgeons use knives made of P for eye surgery. R is used as a body scrubber whereas Red Fort in Delhi is made of S rock. None of these

33. Identify the incorrect statement from the following.

A. B. C. D.

34.

Read the following statements. (i) Air dissolved in water cannot be removed from it. (ii) Density of air decreases with increasing altitude. (iii) Air is an element that surrounds the earth and makes earth hospitable for living organisms. (iv) Air helps in pollination of several flowers and in the dispersal of seeds. Which of the above statements are correct? A. (i) and (ii) only B. (ii) and (iv) only C. (i) and (iii) only D. (iii) and (iv) only



Matter exists in three forms. Matter can be changed from one form to another. A new substance is formed in a chemical change. Ice is heavier than water.

5

35. Scientists selected and grew three different species of plants P, Q and R in a big field to investigate methods of seed dispersal in them. The given graphs show the approximate number of seedlings found at various radii around the parent plants.

Which of the following holds true regarding plants P, Q and R ?

Seeds of P are heavy and bear spines and hooks. Seeds of Q are winged and light weighted. Seeds of R are hairy or bear fibrous outer coat. P can be Dandelion, Q can be Xanthium and R can be pea.

A. B. C. D.

36. Given below are the four food components (P-S) and their corresponding sources. P – Meat, fish, eggs Q – Butter, ghee, margarine R – Bread, biscuits, potatoes S – Amla, tomato, orange Select the incorrect statement regarding these. A. Deficiency of P causes marasmus in children and kwashiorkor only in adults. B. Among P, Q, R and S, 1 gram of Q produces the maximum energy. C. Excess of R gets stored in body cells and is used for production of energy whenever required. D. Deficiency of S leads to a disease in which gums swell up and bleed. 37. Refer to the given objects (1, 2 and 3) and identify the positions of fulcrum and load in each of these. P Z X

A. B. C. D.

Y 1

U

Q

V

R 2

W

3

1 2 3 Fulcrum – Z Fulcrum – R Fulcrum – Load – Y Load – P Load – V Fulcrum – X Fulcrum – Q Fulcrum – Load – Y Load – P Load – V Fulcrum – X Fulcrum – P Fulcrum – Load – Z Load – R Load – U Fulcrum – Y Fulcrum – R Fulcrum – Load – Z Load – Q Load – U

U W V W

38. Study the given food relationship and select the correct option which satisfies the same relationship. Honey : Carbohydrate : Sugarcane 6



A. B. C. D.

Spinach : Iron : Liver Maize : Protein : Fish Fish oil : Vitamin A : Carrot Groundnut : Fat : Milk

39. Refer to the given food web. If a population of an organism X is introduced in this community who preys on mice and snake then what will be the likely consequence over time ? A. The population of owl will decline with time. B. The populations of frog and sparrow will increase with time. C. Plant and grasshopper population will remain unaffected by introduction of organism X. D. Both A and B 40. Refer to the given Venn diagram.



What could be X and Y respectively? A. X – Ability to trap and retain air, Y – Fluffy texture B. X – Obtained from animals, Y – Ability to absorb water C. X – Rough texture, Y – Comfortable to wear in hot and humid weather D. X – Shiny appearance, Y – Give characteristic smell of burning paper when burnt

41. Match column I (nutrient) with column II (function) and column III (deficiency symptom) and select the correct option from the given codes. Column I Column II Column III P. Vitamin K (i) For normal (a) Anaemia functioning of thyroid glands Q. Iodine (ii) Maintains (b) Haemorrhage normal vision R. Iron (iii) Helps in blood (c) Goitre clotting S. Vitamin A (iv) Required for (d) Night haemoglobin blindness formation A. P - (iii) - (b); Q - (i) - (c); R - (iv) - (a); S - (ii) - (d) B. P - (ii) - (c); Q - (i) - (d); R - (iii) - (a); S - (iv) - (b) C. P - (iv) - (a); Q - (ii) - (c); R - (i) - (b); S - (iii) - (d) D. P - (i) - (b); Q - (iv) - (a); R - (iii) - (c); S - (ii) - (d) | 19th NSO | Class-6 | Set-B | Level 1

42. Read the given paragraph. th th In the 16 and 17 centuries, sailors who went on long voyage suffered from a disease ‘X’ as they did not get fresh fruits to eat during the voyage. In the year 1747, a doctor named, James Lind discovered that if these sailors were given lemons and oranges, the disease was cured very quickly. This led to the discovery that X is a deficiency disease caused by the deficiency of Y. Identify X and Y in the above paragraph and select the correct option. X Y A. Pellagra Vitamin B1 B. Scurvy Vitamin C C. Goitre Iodine D. Rickets Fluorine 43. R a v i c o l l e c t e d t h r e e different types of wastes P, Q and R from a human dwelling and left wastes P and Q in an open field while disposed off R by a manual method of waste disposal as it was toxic. The given graph shows the changes in amount of P, Q and R with time. Refer to the above given graph and select the incorrect option regarding P, Q and R.

A.



B.



C.

P could be a man-made object whereas Q is derived from living organisms. The method used for disposing off R is often employed in disposal of hospital wastes. Management of wastes P and R by any manual method will always increase air and water pollution.



D.

Q is disposed off by decomposition process which is slow but completely disposes off the waste.

44. Refer to the given graph that shows how three different organisms P, Q and R cope with external environmental conditions and select the correct option regarding this. A. P and R are warm blooded whereas Q is cold blooded. B. R could be a mammal, Q could be an amphibian whereas P could be a reptile. C. Q may show a wide range of distribution but P is restricted to areas with favourable environmental conditions. D. P and R can tolerate extremes of temperatures and are cosmopolitan in distribution. 45. Refer to the given classification table and select the correct option regarding P, Q, R and S. Plant part (i) Stem (ii) Leaf

A. B. C.



D.

Functions (a) Photosynthesis (b) Support for climbing (a) Reduction in water loss (b) Support for climbing

Examples of plants P Q R S

P could be Aloe whereas Q could be Gloriosa. P and R could be xerophytic plants. R could be Rhoeo whereas S could be grapevine. Q could be pea whereas S could be pumpkin.

Achievers section 46. Refer to the given flow chart and identify P, Q, R and S.



A. B.



C. D.

P - Salamander, Q - Snail, R - Cockroach, S- Tuna P - Scorpion, Q - Octopus, R - Ladybird beetle, S- Ostrich P- Earthworm, Q- Prawn, R- Tortoise, S- Scoliodon P - Snake, Q - Toad, R - Crocodile, S - Centipede

19th NSO | Class-6 | Set-B | Level 1 |

47. Saurabh classified living organisms in four groups (I, II, III and IV) each containing four members on the basis of the habitats in which they are found. In doing so he unknowingly placed one wrong member in each group. Identify the odd one out and select the correct option regarding this. I. Acacia, Camel, Toucan, Aloe II. Penguin, Fur seal, Polar bear, Lion-tailed macaque III. Sea horse, Octopus, Corals, Silverfish IV. Vallisneria, Chimpanzee, Red-eyed frog, Fern A. In group I, toucan is placed incorrectly and should be replaced with Kangaroo rat. B. Lion-tailed macaque is incorrectly mentioned in group II and should be included in group I. C. In group III, sea horse is placed incorrectly and should be replaced with Ceratophyllum. D. Vallisneria is wrongly placed in group IV and should be replaced with sea horse. 7

48. The given diagram shows two identical bar magnets placed side by side. Four compasses are positioned at W, X, Y and Z.



Which of the following options correctly shows the deflections of the compass needles in the given compasses?



  W   X   Y   Z



A.









B.









C.









D.









A.



B.



C. D.

Organism X exclusively preyed upon organism Y until the whole population is wiped out. Organism Z is the predator in the community whose population grew as long as its food lasted and then started decreasing. Z is the predator of Y and Y is the predator of X. Both B and C

50. Read the given flowchart carefully and fill in the blanks by choosing an appropriate option. Changes Q

P

(i) Blowing of (i) Tearing a balloon of paper (ii) Drying a (ii) Cutting wet cloth of trees

R

S

(i) Hardening (i) Sunrise of cement and sunset (ii) Baking a (ii) Low and cake high tides

Identify P, Q, R and S.   P   Q   R   S Non-periodic A. Irreversible Chemical Periodic

49. The given graph shows changes in populations of 3 interrelated organisms X, Y and Z in a community over some years.







B.





What could be inferred from the given graph?



C.







D.

physical Reversible physical Reversible physical Reversible

Irreversible Chemical Periodic physical Chemical Non-Periodic Periodic Chemical

Irreversible Non-periodic

SPACE FOR ROUGH WORK

8

| 19th NSO | Class-6 | Set-B | Level 1

Answer Keys 15th nso SET A 1. (B) 11. (B) 21. (B) 31. (B) 41. (D)

2. (A) 12. (C) 22. (D) 32. (D) 42. (B)

3. (C) 13. (A) 23. (B) 33. (A) 43. (C)

4. (D) 14. (B) 24. (D) 34. (B) 44. (D)

5. (C) 15. (C) 25. (D) 35. (B) 45. (A)

6. (D) 16. (C) 26. (A) 36. (B) 46. (C)

7. (A) 17. (A) 27. (A) 37. (B) 47. (C)

8. (A) 18. (C) 28. (C) 38. (D) 48. (D)

9. 19. 29. 39. 49.

(D) (A) (B) (C) (B)

10. 20. 30. 40. 50.

(D) (C) (D) (D) (D)

6. (A) 16. (B) 26. (B) 36. (C) 46. (C)

7. (D) 17. (C) 27. (B) 37. (D) 47. (D)

8. (D) 18. (D) 28. (D) 38. (A) 48. (D)

9. 19. 29. 39. 49.

(B) (C) (D) (A) (B)

10. 20. 30. 40. 50.

(D) (A) (A) (C) (C)

6. (B) 16. (C) 26. (D) 36. (C) 46. (B)

7. (B) 17. (D) 27. (B) 37. (B) 47. (D)

8. (C) 18. (A) 28. (B) 38. (A) 48. (A)

9. 19. 29. 39. 49.

(D) (B) (C) (D) (B)

10. 20. 30. 40. 50.

(A) (A) (D) (B) (B)

6. (D) 16. (C) 26. (B) 36. (D) 46. (B)

7. (B) 17. (B) 27. (A) 37. (D) 47. (B)

8. (A) 18. (A) 28. (C) 38. (B) 48. (A)

9. 19. 29. 39. 49.

(B) (B) (A) (C) (D)

10. 20. 30. 40. 50.

(A) (A) (C) (B) (C)

SET B 1. (B) 11. (C) 21. (A) 31. (A) 41. (C)

2. (C) 12. (C) 22. (C) 32. (B) 42. (A)

3. (C) 13. (C) 23. (B) 33. (C) 43. (C)

4. (A) 14. (B) 24. (C) 34. (B) 44. (D)

5. (D) 15. (A) 25. (A) 35. (B) 45. (D)

16th nso SET A 1. (D) 11. (A) 21. (A) 31. (A) 41. (D)

2. (D) 12. (C) 22. (B) 32. (A) 42. None

3. (D) 13. (C) 23. (A) 33. (D) 43. (C)

4. (D) 14. (A) 24. (D) 34. (A) 44. (C)

5. (A) 15. (C) 25. (D) 35. (A) 45. (D) SET B

1. (A) 11. (B) 21. (B) 31. (D) 41. (C)

2. (B) 12. (B) 22. (A) 32. (D) 42. (D)

3. (C) 13. (B) 23. (A) 33. (C) 43. (D)

4. (A) 14. (A) 24. (D) 34. (C) 44. (D)

5. (A) 15. (C) 25. (D) 35. (D) 45. (C)

17th nso SET A 1. (A) 11. (B) 21. (A) 31. (A) 41. (B)

2. (C) 12. (A) 22. (B) 32. (B) 42. (B)

3. (A) 13. (A) 23. (C) 33. (C) 43. (D)

4. (A) 14. (A) 24. (A) 34. (C) 44. (D)

5. (C) 15. (B) 25. (B) 35. (C) 45. (B)

6. (D) 16. (D) 26. (A) 36. (B) 46. (D)

7. (C) 17. (B) 27. (D) 37. (A) 47. (A)

8. (D) 18. (D) 28. (B) 38. (C) 48. (C)

9. 19. 29. 39. 49.

(D) (D) (C) (D) (D)

10. 20. 30. 40. 50.

(B) (A) (B) (B) (D)

1. (A, B, D) 2. (A) 11. (B) 12. (A) 21. (B) 22. (B) 31. (C) 32. (C) 41. (D) 42. (C)

3. (C) 13. (D) 23. (D) 33. (D) 43. (D)

4. (D) 14. (C) 24. (D) 34. (D) 44. (B)

SET B 5. (B) 6. (C) 15. (D) 16. (C) 25. (B) 26. (B) 35. (D) 36. (C) 45. (B) 46. (A)

7. (A) 17. (A) 27. (C) 37. (C) 47. (D)

8. (B) 18. (A) 28. (B) 38. (D) 48. (C)

9. 19. 29. 39. 49.

(D) (D) (D) (B) (C)

10. 20. 30. 40. 50.

(A) (B) (B) (B) (C)

7. (B) 17. (C) 27. (C) 37. (C) 47. (C)

8. (C) 18. (C) 28. (B) 38. (D) 48. (C)

9. 19. 29. 39. 49.

(C) (A) (B) (B) (C)

10. 20. 30. 40. 50.

(B) (A) (B) (D) (B)

18th nso SET 1 1. (C) 11. (B) 21. (A) 31. (A) 41. (C)

2. (D) 12. (B) 22. (C) 32. (D) 42. (D)

3. (A) 13. (C) 23. (D) 33. (C) 43. (A)

4. (D) 14. (C) 24. (B) 34. (A) 44. (C)

5. (B) 15. (A) 25. (D) 35. (D) 45. (B)

6. (D) 16. (C) 26. (A) 36. (A) 46. (C)

1. (B) 11. (B) 21. (B) 31. (C) 41. (A)

2. (B) 12. (C) 22. (C) 32. (C) 42. (C)

3. (D) 13. (A) 23. (C) 33. (A) 43. (D)

4. (A) 14. (C) 24. (D) 34. (B) 44. (C)

SET 2 5. (A) 6. (C) 15. (C) 16. (C) 25. (C) 26. (A) 35. (C) 36. (C) 45. (B) 46. (A)

7. (B) 17. (B) 27. (B) 37. (D) 47. (C)

8. (B) 18. (D) 28. (D) 38. (A) 48. (B)

9. 19. 29. 39. 49.

(C) (C) (D) (C) (B)

10. 20. 30. 40. 50.

(A) (C) (D) (C) (C)

7. (C) 17. (C) 27. (B) 37. (B) 47. (D)

8. (D) 18. (C) 28. (C) 38. (C) 48. (A)

9. 19. 29. 39. 49.

(C) (D) (D) (D) (D)

10. 20. 30. 40. 50.

(C) (A) (C) (C) (C)

7. (A) 17. (B) 27. (C) 37. (B) 47. (A)

8. (B) 18. (D) 28. (C) 38. (C) 48. (C)

9. 19. 29. 39. 49.

(A) (D) (A) (D) (D)

10. 20. 30. 40. 50.

(B) (D) (A) (B) (B)

19th nso SET A 1. (C) 2. (D) 3. (B) 4. (A) 5. (C) 6. (D) 11. (C) 12. (C) 13. (B) 14. (D) 15. (C) 16. (B) 21. (C) 22. (C) 23. (D) 24. (C) 25. (B) 26. (D) 31. (C) 32. (C) 33. (A) 34. (B) 35. (B) 36. (B) 41. (D) 42. (B) 43. (C) 44. (A) 45. (B) 46. (D) 1. (B) 11. (C) 21. (C) 31. (B) 41. (A)

2. (D) 12. (D) 22. (C) 32. (A) 42. (B)

3. (D) 13. (B) 23. (A) 33. (D) 43. (C)

4. (B) 14. (C) 24. (D) 34. (B) 44. (C)

SET B 5. (A) 6. (C) 15. (D) 16. (A) 25. (C) 26. (A) 35. (D) 36. (A) 45. (B) 46. (C)