1
6
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Master Mental Ability in 30 Days
th
9
Year 2006
(Class-6)
2 MENTAL ABILITY
1.
Tickets for a circus cost Rs. 9 for an adult and Rs. 6 for a child. Mr. Sandeep and some of his friends, a group of 4 adults and 5 children, went to the circus. Mr. Sandeep paid for all the tickets. Read the problem-solving steps shown below. Arrange the steps in the correct order for Mr. Sandeep to find the total cost for the tickets. Step K : Add the two products together Step L : Write down the number of adults and the number of children going to the circus. Step M : Multiply the cost of an adult ticket by the number of adults. Step N : Multiply the cost of a child's ticket by the number of children Which list shows the steps in the correct order? (A) L, K, M, N (B) L, M, N, K (C) N, M, L, K (D) M, N, L, K (E) None of these.
2.
What kind of angle is angle O? (A) Acute (C) Obtuse (E) None of these.
M 140º
P
(B) Right (D) Straight N
40º
O
3.
Sunil recorded the lengths of his model cars in cms. Which list shows the lengths in order from least to greatest? (A) 6.8 cm, 6.78 cm, 6.45 cm, 6.5 cm, 6.34 cm (B) 6.34 cm, 6.45 cm, 6.5 cm, 6.78 cm, 6.8 cm (C) 6.8 cm, 6.78 cm, 6.45 cm, 6.34 cm, 6.5 cm (D) 6.8 cm, 6.78 cm, 6.5 cm, 6.45 cm, 6.34 cm (E) None of these.
4.
Find the prime factorization of 60. (A) 32 ∙ 10 (B) 2 ∙ 3 ∙ 10 (E) None of these.
(C) 2 ∙ 3 ∙ 15
(D) 22 ∙ 3 ∙ 5
5.
Mr. Chaudhary distributed 78 sheets of drawing paper to the art students in his class. Each student received 3 sheets of drawing paper. Which equation can be used to find, the number of students in the class? (A) s = 78 ¸ 3 (B) s = 75 – 3 (C) s = 78 × 3 (D) s = 78 + 3 (E) None of these.
6.
On Tuesday night Lalita spent 18 minutes on social studies homework, 29 minutes on science homework, and 59 minutes on mathematics homework. About how much time in all did she spend on her homework? (A) 1 hour and 46 minutes (B) 1 hour and 10 minutes (C) 1.5 hours (D) 1.20 hours (E) None of these.
7.
At a band concert, a prize was awarded to the person sitting in the chair numbered with the least common multiple of 12, 15, and 30. Find the number of the prize winning chair. (A) 60 (B) 45 (C) 30 (D) 15 (E) None of these.
8.
Honey made a drawing of his rectangular kitchen for art class. The length of the drawing was 8 cm, and the width of the drawing was 2 cm less than the length. Find the width of the drawing. (A) 6 cm (B) 8 cm (C) 11 cm (D) 10 cm (E) None of these.
9.
A warehouse worker is carrying food into a large freezer at the warehouse. The temperature inside the freezer is 19ºF. What is the difference between this temperature and the worker's body temperature of 98.6ºF? (A) 79.6º F (B) 81.6º F (C) 89.6º F (D) 117.6º F (E) None of these.
(Class-6)
3
10. Karen sold cookies for her scout troop. The graph shows how many boxes of cookies she sold each day. Cookie Sales
Friday s Saturday y a D Sunday
Monday
Each represents 4 boxes of cookies. Which chart shows the same information that is shown on the graph?
(A)
(B)
(C)
(D)
(E)
.
None of these.
11. Which point is inside the triangle and outside the circle?
(A) (C) (E)
I K None of these.
(B) J (D) L
12. Bobby rode in an endurance bicycle race that was 236 kilometres long. How many metres long was this race? (A) (C) (E)
2,360,000 m 23,600 m None of these.
(B) 236,000 m (D) 2360 m
13. Which measurement of a circle will give the length of its diameter? (A) 2 × Radius (B) 2 × Area (C) 2 × Circumference (E) None of these.
(D) Arc
14. Look at the number pattern. 4, 7, 10, 13, 16, ........... Which equation can be used to find n, the seventh number in the pattern? (A) n = 3 × 4 (B) n = (3 + 4) × 7 (C) n = 3 + 16 (D) (E) None of these.
= (3 × 7) + 1
n
(Class-6)
4
15. Mr. Roby worked on his car 4
1 3 hours on Monday, 3 hours on Tuesday, and 2 hours on Wednesday.. 2 4
What was the total number of hours that he worked on the car during those 3 days? 3 1 1 1 (A) 9 hours (B) 9 hours (C) 10 hours (D) 10 hours 8 2 4 2 1 (E) 13 hours. 4 SCIENCE 16. Which of the following researcher would be most interested in maintaining a healthy deciduous forest? (A) Biochemist (B) Ecologist (C) Toxicologist (D) Cardiologist (E) None of these. 17. Which question on the given apparatus is most likely framed? (A) Does atmospheric pressure affect transpiration? (B) Does gravity affect the direction of plant growth? (C) Does turgor pressure affect the absorption of water? (D) Does absorbed light increase the environmental temperature? (E) None of these. 18. In order for a species to survive, it must be able to – (A) Consume a wide variety of food (B) Reproduce successfully (C) Maintain a constant body temperature (D) Destroy other species (E) None of these. 19. The apparatus in diagram was used to collect the oxygen that was produced by Elodea (a plant). Which factor was most responsible for the production of oxygen by Elodea? (A) Sugar was present in the liquid (B) The liquid contained enough oxygen for the plant to absorb (C) The presence of light stimulated photosynthesis (D) The plant contained a large number of mitochondria (E) None of these. 20. The diagram shows a standard technique for dispensing liquid in a laboratory. What is the main reason that liquid should be dispensed from a reagent bottle in this manner? (A) The liquid is slowly heated by friction (B) The liquid's increased surface area absorbs more oxygen (C) The stirring rod keeps the liquid from splashing (D) The beaker causes liquids of different densities to form layers (E) None of these. A
21. Which part (represented by different alphabets) give a platform to the pollens to stay on it and proceed fertilization? (A) A
(B) B
(C) C
(D) D
(E)
D C
None of these.
22. The graph shows the temperature changes as a sample of ice is heated. What is happening during time (A) (B) (C) (D) (E)
B
The liquid is evaporating The liquid is freezing The solid is freezing The solid is melting None of these.
1
?
) C º (
Heating Curve
200
e r u t a r100 e p m e 0 T
4 3 2 1
40 Time (seconds)
(Class-6)
5
23. Which is a TRUE statement about water solubility, and purifying rock salt by dissolving, filtering, evaporating and crystallising? (A) Salt particles pass through the fil ter paper because they are so small compared to the pores of the paper (B) Most compounds are less soluble at a higher temperature than at lower temperature (C) Solubility data for water are given between 0 – 100ºC because that's the only temperature range we use in laboratory experiments (D) All of these (E) None of these 24. An energy of 1000 calories is stored in the grass. What amount of energy will be received by the bird?
(A) (C) (E)
1,000 calories 10,000 calories None of these.
(B) 100 calories (D) 1 calorie
25. Which picture shows the book (B) with the most potential energy?
(A)
(B)
(C)
(D)
(E)
None of these.
26. Which of the following statements is false? (A) In a compound, elements are always present in a variable ratio (B) Elem ents and compounds are pure substance (C) Metalloids show properties of metals as well as non metals (D) The constituents of a mixtu re do not combine chemically with each other (E) None of these. 27. Each of the four identical carts shown here is loaded with a total mass of 4 kilograms. All of the carts are initially at rest on the same level surface. Forces of the same magnitude directed to the right act on each of the carts for the same length of time. If friction and air resistance are negligible, which cart will have the greatest velocity when the forces cease to act? (A)
Cart 1
(B) Cart 2
(C)
Cart 3 and 4
(D) All four carts will have the same velocity
(E)
None of these.
28. Which of the following represents 'RESPIRATION'? (A) 6CO2 + 6H 2O ® C6H12 O 6 + 6O 2 (B) C6H12 O 6 + 6O 2 ® 6CO 2 + 6H 2O (C) C2H5OH + 3O 2 ® 2CO 2 + 3H 2O (D) C6H12 O 6 ® 2C 2H5OH + 2CO 2 (E) None of these.
(Class-6)
6
29. A ball is projected vertically upwards and then returns to the ground. Ignore all frictional forces. Which one of the following statements about the kinetic energy and potential energy of the ball is true? (A) The kinetic energy is always equal to the potential energy (B) The kinetic energy is always less than the potential energy (C) The kinetic energy is always more than the potential energy (D) The sum of the kinetic energy and potential energy is always constant (E) None of these. 30. Which two systems work with the skeletal system to cause a finger to move? (A) Immune and excretory (B) Digestive and respiratory (C) Nervous and muscular (D) Circulatory and integumentary (E) None of these. 31. Match the column s A and B. A B (i) Loading 1. High speed rotatio n (ii) Centrifug ation 2. Particl es are allowed to settle down slowly (iii) Sedimentation 3. Involve condensing the vapour (iv) Distillation 4. Weighting down of solid particles by using alum. (A) (i) 4, (ii) 2, (iii) 1, (iv) 3 (B) (i) 3, (ii) 2, (iii) 1, (iv) 4 (C) (i) 4, (ii) 1, (iii) 2, (iv) 3 (D) (i) 2, (ii) 4, (iii) 3, (iv) 1 (E) None of these. 32. The picture shows a magnified view of a tick on a penny. About how long is the tick? (A) 1 millimeter (B) 2 kilometers (C) 4 meters (D) 10 centimeters (E) None of these. 33. The hottest weather anywhere on earth is approxi mately. (A) 38º C (B) 187º F (C) 58º C (E) None of these.
(D) 209º F
34. What are the three R's we use to help preserve the environment? (A) Reduce, Repute, Recycle (B) Refuse, Reduce, Recycle (C) Remit, Retain, Recycle (D) Retain, Reduce, Repute (E) None of these. 35. How many times the earth's gravity is stronger than the sun's gravity? (A) 20 times (B) 15 times (C) 28 times (D) 40 times (E) None of these. 36. Which of the following KINGDOM (A) Monera (B) Fungi (C) Plantae (D) Animalia (E) None of these. 37. To (A) (C) (E)
is a correct match ? CHARACTERISTIC(S) 1 cell; no nucleus many cells; heterotrophic; can't move from place to place many cells; heterotrophic; can't move from place to place many cells; autotrophic; usually can move
EXAMPLE(S) tree mushroom, yeast grass, corn spider, bear, bird, human
produce 5 molecul es of sugar, a plant needs _____. 5 molecules of water (B) 7 molecules of hydrogen 30 molecules of carbon dioxide (D) 12 molecules of ATP None of these.
(Class-6)
7 38. What characteristic of water remains the same no matter what is dissolved in it? (A) The ability to refract light (B) The hydroxide ion concentration (C) The freezing temperature (D) The ratio of hydrogen and oxygen (E) None of these.
39. Which system is responsible for producing enzymes that aid in breaking down substance to be absorbed for the body's growth and repair? (A) Digestive system (B) Reproductiv e system (C) Respiratory system (D) Skeletal system (E) None of these. 40. 10 to the 5th power seconds is closest to the amount of time ..... (A) Of a full-length movie (B) For the Earth to rotate once (C) Of an average human lifet ime (D) Since humans first appeared on Earth (E) None of these. 41. Which of these will happen if the temperature of a metal pan is increased? (A) The pan will begin to lose heat (B) The molecules of the pan will move faster (C) The metal will change into another metal (D) The pan will contract (E) None of these. 42. With respect to brightness which of the following i s ranked third in the solar system? (A) Moon (B) Sun (C) Venus (D) Earth (E) None of these. 43. When you bend your arm at the elbow, the bones and muscles in your arm are acting as a system. What simple machine does this system represent? (A) Pulley (B) Lever (C) Inclined planes (D) Wedge (E) None of these.
44.
Arrange these as first, second and third class levers? (A) A, B, C (B) B, A, C (C) C, B, A (E) None of these. 45. Which is an example of a chemical change? (A) The grinding of salt crystals to powder (C) The melting of ice (E) None of these.
(D) C, A, B
(B) The evaporation of water from a puddle (D) The burning of wood
46. Which part in the figure stores urine before it is discharged? (A)
1
(B) 2
(C)
3
(D) 4
(E)
None of these.
47. What is appendix attached to? (A) Caecum (C) Jejunum (E) None of these.
(B) Duodenum (D) Ileum
48. Morphology is the study of ---------(A) The effects of the drug morphine (C) The replication of cells (E) None of these.
(B) The study of shape-shifting life forms (D) The external shapes of plants and animals
(Class-6)
8
49. Choose the right statement (1) In solids the molecules are packed the closest together. (2) In gases the molecules are spread out the most. (3) In liquids the molecules are packed close together. (A) Statement (1) alone is right (B) Statement (2) alone is right (C) Statement (3) alone is right (D) All the above statements are right (E) None of these. 50. Take boiled potatoes, french fries, raw potatoes, fried potatoes. If you are on a low fat diet, which type of potatoes would you eat? (A) Boiled potatoes (B) French fries (C) Raw potatoes (D) Fried potatoes (E) None of these. SPACE FOR ROUGH WORK
10th
Year 2007
MENTAL ABILITY 1.
The table shows the years in which 4 famous mathematicians were born. Famous Mathematicians Name
Year of Birth
Galileo Galilei
1564
Isaac Newton
1642
Carl Gauss
1777
John Venn
1834
According to the table, how many years later was John Venn born than Galileo Galilei?
2.
(A)
330 years
(E)
None of these.
(B) 270 years
(C) 398 years
(D) 192 years
Anita is playing a game with the set of cards shown below.
What fraction of cards has a triangle ? (A) (E) 3.
4.
3 5 None of these.
(B)
3
(C)
8
5 8
(D)
1 4
Eva’s birthday falls on a date in April that is a prime number. Which could be the date of her birthday? (A)
April 29
(E)
None of these.
(B) April 27
(C) April 15
(D) April 9
Mr. Vinod buys about 14.7 gallons of gas for his car every week. About how many gallons of gas does he buy in 4 weeks?
5.
(A)
15 gallons
(E)
None of these.
(B) 60 gallons
(C) 80 gallons
(D) 105 gallons
Gupta’s family is going to see a movie. Ticket cost is Rs. 30 for children and Rs. 50 for adults. Based on this information, which of the following statements is true?
6.
(A)
The ticket cost is the same for 3 children as for 3 adults.
(B)
The ticket cost is the same for 5 children as for 3 adults.
(C)
The ticket cost is the same for 3 children as for 5 adults.
(D)
The ticket cost is the same for 5 children as for 5 adults.
(E)
None of these.
What is the prime factorization of 100? (A)
2 × 2× 5× 5
(E)
None of these.
(B) 2 × 5 × 10
(C) 2 × 2 × 25
2
(D) 4 × 5 × 5
7.
Look at the pattern of numbers given below. 28, 84, 252, 756 Which of the following statements describes the rule for determining the last 3 numbers shown in this pattern?
8.
(A)
Each number is 56 more than the previous number.
(B)
Each number is 64 more than the previous number.
(C)
Each number is 3 times the previous number.
(D)
Each number is 4 times the previous number.
(E)
None of these.
Arun ran a 1-kilometre race. When he was half way to the finish line, how many metres did he have left to run?
9.
(A)
50 m
(E)
None of these.
(B) 100 m
(C) 1,000 m
(D) 500 m
The table given below shows the colours of the houses on Seth’s street and the fraction of the total number of houses painted each colour. Houses on Seth's Street Colour Painted
Fraction Painted That Colour 1 3 1 6 1 18
White Red Grey
4 9
Yellow
Which colour was used for the smallest fraction of houses on Seth’s street? (A) White (E)
(B) Red
(C) Grey
(D) Yellow
None of these.
10. The picture given below shows a box that is filled with 1 inch cubes.
What is the total volume of the box?
11.
(A)
120 cubic inches
(E)
None of these.
(B) 100 cubic inches
(C) 74 cubic inches
(D) 50 cubic inches
Kavita gave her friends clues about a number she was thinking of. She told them that when her number is doubled and added to 10, the result is 58. What is the number Kavita was thinking of? (A)
34
(E)
None of these.
(B) 126
(C) 24
3
(D) 96
12.
The table given below shows a pattern of factors and products. Pattern Factors
Product
1×1 11 × 11 111 × 111 1111 × 1111
1 121 12321 1234321
11111 × 11111
If the pattern continues, which should be the middle digit of the next product?
13.
(A)
1
(E)
None of these.
(B) 4
(C) 3
(D) 5
The factor tree for the number 36 is shown here. 36
According to this factor tree, which of the following statements is true?
14.
(A)
The numbers 2 and 3 are prime.
(B)
The only prime factor of the number 36 is 3.
(C)
The number 9 is prime.
(D)
The product of 2 prime numbers is always prime.
(E)
None of these.
18
2
9
2 3
3
An equilateral triangle is shown here. Which of the following statements about this triangle is true?
15.
(A)
The triangle has 2 sides that form a right angle.
(B)
All the triangle’s sides are the same length.
(C)
None of the triangle’s sides are the same length.
(D)
The triangle has only 2 sides that are congruent.
(E)
None of these.
Admission cost to a basketball tournament is Rs. 70 per person. If 179 people pay to attend the tournament, how much money will be collected from admission to the tournament? (A)
Rs. 956
(E)
None of these.
(B) Rs.1,193
(C) Rs. 1,2530
(D) Rs. 13530
SCIENCE 16. The following objects were separated into two groups. Objects
Graphite Air Metals
Rubber Plastics Wood
Which of the following can be used for the classification of the above objects? (A) Metals and non-metals
(B) Conductors and insulators
(C) Magnetic and non-magnetic
(D) All of these
(E)
None of these. 4
17. Which of the following is the proper position of the eyes for taking reading of the scale? (A)
P
(B)
Q
(C)
R
(D)
All of these
(E)
None of these.
(P)
(Q)
(R)
18. A torch is shone onto an object P as shown in the diagram.
Object
P
A dark shadow is formed on the screen. The object P is not likely to be made of (A) Wood (E)
(B) Steel
(C) Glass
(D) Cardboard
None of these.
19. Which one of the materials given below is NOT suitable for making indicated part of the bulb? (P) Plastic
(Q) Steel
(R) Copper
(S) Rubber
(A)
(P) and (Q) only
(B) (P) and (R) only
(C)
(P) and (S) only
(D) (Q) and (S) only
(E)
None of these.
20. What happens if it does not rain for a long period? (A) Flood (E)
(B) Drought
(C) Cyclone
(D) Earthquake
None of these.
21. Look at the diagram. When a weight of 100 g is hung from the spring, its length is 9 cm. When a weight of 150 g is hung from it, its length is 11 cm. What is the length of the spring when there is no weight hanging from it? (A)
2 cm
(B) 4 cm
(C)
5 cm
(D) 7 cm
(E)
None of these.
load
22. Look at the light from a bulb through a cardboard. It is hidden because. (A)
The cardboard is opaque
(B) The cardboard is transparent
(C)
The cardboard is translucent
(D) The cardboard is both transparent and opaque
(E)
None of these. 5
23. The below examples show which type of motion?
(1)
(A) Circular motion (E)
(2)
(3)
(B) Rectilinear motion
(4)
(C) Periodic motion
(D) All of these
None of these.
24. Four similar magnets were placed in the centre of 4 boxes made of different materials W, X, Y and Z each of the same thickness. When a paper clip was placed 3 cm from each box, the observations were recorded in the table Paper clip
given below.
magnet
3 cm
Box
Did the paper clip move towards the box?
W
Yes
X
No
Y
Yes
Z
Yes
What is box X most likely made of? (A) Plastic (E)
(B) Iron
(C) Nickel
(D) Cobalt
None of these.
25. You can find out whether a given iron pi ece is a magnet _____ (A) By trying to attract another magnet
(B) By repulsion of a magnet
(C) By bringing near another piece of iron
(D) By trying to attract paper
(E)
None of these.
26. The given object is used to show _____ (A) Weight (B) Time (C) Temperature (D) Direction (E)
None of these. 6
27. The given diagram shows the positions of four different objects after they have
2
1
been dropped into a trough of water. Which of the following correctly matches the objects used ? 1
2
3
4
4
(A)
Ping pong ball
marble
crushed aluminium foil
iron rod
(B)
Ping pong ball
iron rod
crushed aluminium foil
marble
(C)
Crushed aluminium foil
ping pong ball
iron rod
marble
(D)
Crushed aluminium foil
iron rod
marble
ping pong ball
(E)
None of these.
3
28. Study the classification table and fill in the boxes from the choices given below. Materials
(a)
Man-made
(b)
From plants
From animals
Non-metals
silk (c)
l l
l
rubber cotton
l
Magnetic
Non-magnetic l
l l
(a)
(b)
nickel iron
glass diamond
brass
(d)
(c)
(d)
(A)
Metals
Wool
Copper
Once alive
(B)
Wool
Once alive
Copper
Metals
(C)
Once alive
Metals
Wool
Copper
(D)
Once alive
Copper
Wool
Metals
(E)
None of these.
29. Study the three pairs of items given below. Pair 1 : Spoon - steel
Pair 2 : Tyre - latex
Pair 3 : Brick - clay
How are the 2 items in each pair related ? (A)
An object and its use
(B) An object and its state
(C)
An object and what it is made of
(D) An object and how it is classified
(E)
None of these.
30. One sunny day, Anil carried out an experiment. He left a glass of tap water and a glass of alcohol, both of volume 100 cm 3, in the open. After a few hours, he observed that the level of alcohol was lower than the level of tap water. Based on the result of the experiment, what conclusion could he make ? (A)
Alcohol evaporates faster than water
(B) All liquids evaporate at the same rate
(C)
Only certain types of liquids evaporate
(D) Liquids evaporate in the presence of heat
(E)
None of these. 7
31. In the given experiment some sea water was heated in a beaker. After some time, it was observed that the number of water droplets formed on the aluminium sheet became less and less. Why was this so ? Beaker X
Aluminium sheet Water droplets
Sea water
Beaker Y
(i)
The alumin ium sheet had become hotter
(ii)
The rate of condensatio n had decreased
(iii) Beaker X had become hotter (A) (i) and (iii) only (E)
(B) (i) and (ii) only
(C) (ii) and (iii) only
(D) (i), (ii) and (iii)
None of these.
32. Porous soil allows water to flow through it quickly. Ram was told that mangrove plants grow best in soil that is not porous. He prepared the set-up shown below and tested 4 types of soil I, II, III and IV. Each time he poured 30 ml of water into the soil. 30 ml of water soil filter paper
measuring cylinder
After 20 minutes, he observed the amount of water collected in the measuring cylinder for each type of soil and recorded it in the table given below. Type of Soil
I
II
I II
IV
Amount of water collected (ml)
18
13
23
8
Based on the results of his investigation, which soil should Ram choose to grow a mangrove plant ? (A) I (E)
(B) II
(C) III
(D) IV
None of these.
33. Match the statements in the column I with those in column II. Column I i.
Column II
The process of removing insoluble particles
a.
Sieving
of suspension by passing it through filter paper. ii .
The process of obtaining soluble salt from its solution.
b.
Churning
iii.
The process of obtaining butter from curd.
c.
Loading
iv.
T he process of making particles of mud heavy with alum.
d.
Filtration
v.
The process of separation of chaff from wheat flour.
e.
Evaporation
(A) i - e, ii - b, iii - a, iv - c, v - d
(B) i - d, ii - e, iii - b, iv - c, v - a
(C) i - e, ii - a, iii - b, iv - c, v - d
(D) i - b, ii - e, iii - c, iv - a, v - d
(E)
None of these. 8
34. Cooking of an egg in boiling water is a ___ (A) Permanent change (E)
(B) Temporary change
(C) Reversible change
(D) Both (B) and (C)
None of these.
35. Saturated soluti on is ___ (A)
A solution which can dissolve more of a solute at a given temperature.
(B)
A solution which cannot dissolve more of a solute at a giv en temperat ure.
(C)
A solution which can dissolve solute at a low temperature.
(D)
Both (A) and (C).
(E)
None of these.
36. Kerosene oil
Separating funnel
Water
Water
The above figure shows which process ? (A) Loading (E)
(B) Churning
(C) Decantation
(D) Sedimentation
None of these.
37. You were given some plants or twigs of plants like brinjal, wheat, neem, banana and China rose. From them you were asked to select two plants, one which is a herb having tap root and leaves showing parallel venation and the other also a herb but with leaves showing parallel venation and fibrous roots. Which two plants would you select for the same ? (A)
Brinjal, wheat
(E)
None of these.
(B) Neem, maize
(C) Wheat, maize
(D) Brinjal, neem
38. In some plants like cucurbita, gourd etc., the stem is very weak and needs support. Some thread like structures arise from the stem that help the plants to climb. These structures are called _____ (A)
Leaf tendrils
(E)
None of these.
(B) Stem tendrils
(C) Spines
(D) Thorns
39. The surroundings where organisms live is called –––––––– and –––––––– – help living things to survive in their surrounding. There are some changes that can happen in an organism over a short period of time to help them adjust to the changes in their surroundings. These changes are called _____ (A)
Habitat, acclimatization, adaptations
(B) Terrestrial habitat, acclimatization, habit
(C)
Habitat, adaptations, acclimatization
(D) Habit, adaptations, acclimatizations
(E)
None of these. 9
40. You were given some food materials and asked to select the ones that contain sugar in it. To confirm the presence of sugar which of the following tests will you perform ? (A) Benedict's soluti on test
(B) Iodine solution test
(C) Copper sulphate caustic soda test
(D) All of these
(E)
None of these.
41. Which of the following plants yield fibres from stem ? (A) Mango (E)
(B) Coconut
(C) Jute
(D) Cotton
None of these.
42. Match the column I (name of the process) with column II (procedu res involved). Column I
Column II
a.
Retting
(i)
The process of removing cotton seeds from cotton
b.
Weavin g
(ii)
Arranging two sets of yarns together
c.
Ginning
(iii) Separation of jute fibres
d.
Knitting
(iv) A single yarn used to make a piece of fabric
(A) a - (iii), b - (ii), c - (i), d - (iv)
(B) a - (i), b - (ii), c - (iii), d - (iv)
(C) a - (iv), b - (iii), c - (ii), d - (i)
(D) a - (ii), b - (iii), c - (i), d - (iv)
(E)
None of these.
43. When charcoal is burnt in a closed room it gets suffocating. This is due to the formation of a gas called ___ (A) Carbon dioxide (E)
(B) Carbon monoxide
(C) Nitrogen
(D) Hydrogen
None of these.
44. A covered glass jar containing a piece of wet cotton is placed in sunl ight for an hour. You will notice tiny droplets of water sticking to the upper inner surface of glass jar. This is due to ___ (A) Evaporation (E)
(B) Condensation
(C) Both A and B
(D) Transpiration
None of these.
45. Study the diagram given below.
X GoldFish
The goldfish will survive the longest if X is ____________. (A) Hard water (E)
(B) Sea water
(C) Soap water
None of these. 10
(D) Pond water
46. Which one of the following breathes in the same manner as the animal given below ?
(A)
A mosquito pupa
(E)
None of these.
(B) A tadpole
(C) A frog
(D) A seal
47. The given graph shows the number of goldfish in an aquarium over 3 weeks. Which one of the following statements is TRUE on the basis of this? Male Female
10 8 6 4 2 Week 1
Week 2
Week 3
(A)
There were always more male than female goldfish
(B)
The number of male goldfish increased from week 1 to week 2
(C)
There was no change in the number of female goldf ish from week 2 to week 3
(D)
The population of goldfish increased from week 1 to week 2
(E)
None of these.
48. Pick the correct code to match the column I (organ systems) with column II (organs). Column I (a)
Column II
Digestive system
(i)
Heart, Blood vessels
(b) Excretory system
(ii)
Mouth, Food pipe, Intestine, Pancreas
(c)
Reproductive system
(iii) Kidneys, Skin, Urinary bladder
(d)
Circulatory system
(iv) Ovaries, Testis
(A)
(a) - (iii), (b) - (i), (c) - (ii), (d) - (iv)
(B) (a) - (ii), (b) - (iii), (c) - (iv), (d) - (i)
(C)
(a) - (iv), (b) - (ii), (c) - (i), (d) - (iii)
(D) (a) - (iii), (b) - (iv), (c) - (ii), (d) - (i)
(E)
None of these.
49. The following figure shows the type of locomotion in an organism.
This locomotion is caused by _____ (A)
Bristles on the body
(B) Somersault and looping
(C) Pseudopodia (E)
(D) Cilia
None of these. 11
50. Which of the follo wing statements is incorrect ? (A) Some birds lay eggs without shells. (B) Benedict's solution changes into yellow colour when tested on apple pieces. (C) The process of removing cotton seeds from the cotton fibre is called ginning. (D) Aristotle is known as the father of biology. (E)
None of these.
SPACE FOR ROUGH WORK
12
11th
Year 2008
MENTAL ABILITY 1.
There are three numbers, A, (A) 41 (B) 45
2.
There are some beads in a box. 2040 beads are used to make 85 necklaces. The re are 9 beads left in the box. How many more beads are needed to make another 5 necklaces ? (A) 117
3.
and
(B) 116
. A is C
twice of B. (C) 48
is C
65 which is 17 less than A. Then B is ____ (D) 49 (E) None of these.
(C) 111
(D) 119
(E) None of these.
What fraction of the given figure is shaded ? (A) (C) (E)
4.
B
1 10
1
1
(B)
4 3
2 7
(D)
4 None of these.
of a pole is painted blue,
16
1 3
of the remaining part is painted white and the rest is painted red. What
fraction of the pole is painted red ? (A) 5.
6.
3 5
5
(B)
(C)
(D)
4
(D)
5
1 2
(E)
None of these.
(E)
None of these.
A baker sold 278 cakes on Tuesday. He sold 39 more cakes on Tuesday than on Monday. The number of cakes he sold on Wednesday was twice the number of cakes sold on Tuesday. Number of cakes he sold altogether in these 3 days was (B) 1073
(C) 1076
(D) 1080
(E) None of these.
Mamta bought 30 books at Rs. 7 each at a book fair. If she saved Rs. 5 per book, the amount she would have paid to buy all the books at the original price is (B) Rs. 360
(C) Rs. 400
(D) Rs. 430
(E) None of these.
(D) 1
(E) None of these.
In 748120, which digit is in the hundred thousand's place ? (A) 8
9.
(C)
(A)
(A) Rs. 300 8.
2
The given net belongs to which solid shape ?
(A) 1070 7.
(B)
(B) 4
(C) 7
M is a number between 60 and 90. When M is divided by 4, it has remainder 3. When M is divided by 5, it has remainder 3. What is M ? (A) 89
(B) 83
10. What is the value of 3 x + (A) 21
(B) 49
(C) 86 2 , x
(D) 81
(E) None of these.
(D) 70
(E)
when x = 7 ? (C) 35 2
None of these.
11. How many different ways can the figure shown here be divided into two equal parts, so that they will overlap each other? (A)
1
(B) 2
(C)
3
(D) 4
(E) None of these.
12. ABCD is a square. 5 out of 6 identical rectangles in the smaller square have been shaded. How many more similar rectangles must be shaded so that 3/8 of square ABCD is shaded ? (A) (C)
3 9
(B) 4 (D) 24
(E) None of these.
A
B
D
C
13. Which of the followin g correctly shows the dice obtained by folding the given net? (A)
(B)
* (C)
(D)
(E)
None of these.
14. Beena made a 4 cm by 6 cm by 6 cm cuboid using 2 cm cubes. She removed some cubes to make a solid shown here. How many cubes did she remove ? (A)
17
(B) 12
(C)
11
(D) 13
(E) None of these.
15. 3 people sit around a triangular table. 4 people sit around two such tables. Number of people that can sit around 100 such tables is (A) 105 (B) 102 (C) 107 (D) 108 (E) None of these.
SCIENCE 16. Study the Venn diagram given here. Which group does glass belong to? (A)
A
(B) B
(C)
C
(D) D
Good heat insulator
A
Non-magnetic
D
Good electrical insulator
B
C
(E) None of these.
Things
17. Multhu put some of his things into two boxes X and Y. Which of the following can be put into box Y?
X
Y
(A)
A table
(B) A pot of hibiscus
Pencil
Rabbit
(C)
A pot of paper flo wers
(D) A box of cookies
Eraser
Snail
(E)
None of these.
Ruler
Parrot
18. Out of the following positions, in which position will the bulb glow ? +
+
+
(A)
(B)
(C)
-
(D) -
-
(E)
+ -
None of these.
19. Shadows formed due to sunlight are shortest (A)
In morning
(B) At noon
(C) In evening 3
(D) At night
(E) None of these.
20. Which of the following statements correctly describes the part of the frame the arrow is pointing? (A) It is made of glass to protect the picture from heat. (B) It is made of clear plastic to protect the picture from dust. (C) It is made of transparent material so that the picture can be seen clearly. (D) It is made of translucent material so that colour comes through more clearly. (E) None of these. 21. Mark the correct statement. (A) Bar magnet always points towards South-East direction when suspended freely. (B) Glass is a magnetic material. (C) A magnet has two poles. (D) Like poles attract each other. (E) None of these. 22. Wind mill is used (A) To help the movement of sailing yachts (C) To help gliders fly (E) None of these.
(B) To generate electrici ty (D) To provide wind at tourist places
23. A, B and C are standing in a line. A person stands in front holding out a mirror towards them. Then, which one is true ? (A) If A can't see C in the mirror, C may see A in mirror (B) If A can see B in mirror, B can't see A in it (C) If A can see B in mirror, B can also see A in mirror (D) If A and C both can see B in mirror, they can see each other in mirror (E) None of these. 24. _________ are made up of conductors, while ________ are made up of insulators. (A) Electrical sockets, plug tops (B) Plug tops, electrical sockets (C) Wire coverings, fuse wires (D) Fuse wires, bulb filam ent (E) None of these. 25. Which one of the followi ng is an example of periodic motion ? (A) A car taking a turn on a curved road (B) A crane flying over a water pond (C) A lift moving down (D) March-past of soldiers (E) None of these. 26. Casting of shadows by opaque objects gives rise to (1) Day and night (2) Eclipse (3) (A) 1 (B) 2 (C) 3
Image in mirror (D) 1 and 2
(E) None of these.
27. Rama collected samples of : (i) Lemon juice (ii) Vinegar (iii) Ink (iv) Groundn ut oil and mixed them in water separately. Which of the following substances are completely insoluble? (A) (i) and (ii) (B) (ii) and (iv) (C) (iv) only (D) (i) only (E) None of these. 28. If you drop a box of pins into a heap of sand, how will you get all the pins back ? (A) By using a magnet (E) None of these.
(B) By sedimentation
(C) By decantation
(D) All of these
29. Buffaloes give us X. X gives X products, that is ___ (A) Vegetable
(B) Fruits
(C) Eggs 4
(D) Cheese
(E) None of these.
30. Match the objects with the materials they are made of Column-I (Objects) Column-II (Materials they are made of) (i) Chair (a) Plastic (ii) Paper (b) Wood, plastic (iii) Plate (c) Wood (iv) Bucket (d) Steel, glass (i) (ii) (iii) (iv) (A) (d) (b) (a) (c) (B) (b) (d) (c) (a) (C) (a) (b) (c) (d) (D) (b) (c) (d) (a) (E) None of these. 31. When Rima could not open a sealed can of jam, her sister placed the can in a bowl containing hot water and left it in the bowl for some time. Then, Rima took out the can from the bowl and could easily open it because – (A) The lid of the can started melting (B) The lid of the can expanded (C) The lid of the can contracted (D) All of these (E) None of these. 32. A woman working in a closed kitchen, where food was being cooked by burning coal, suddenly fainted. Which of the following statements is correct ? (i) Burning of coal produces CO 2 and causes suffocation. (ii) There is insufficient supply of oxygen in the kitchen. (iii) There is no nitrogen in the kitchen. (A) Only (i) (B) Only (ii) (C) Only (iii) (D) (i) and (ii) (E) None of these. 33. A bag containing the followi ng items – (i) Keys (ii) Marble pieces (iii) Coins (iv) A plastic ball falls into a pond. Which of the above items will be the most difficult to get back ? (A)
(i) and (ii)
(B) (ii) and (iii)
(C) (i), (ii) and (iii)
(D) (iv)
(E) None of these.
34. In an experiment, two beakers 'X' and 'Y' were filled with 50 ml of water and kept in two different places. After 30 mins, the amount of water in the two beakers was measured. Which of the following is false ? (A) (B) (C) (D)
Beaker X was kept under sunlight Beaker Y was kept under sunlight Beaker X was kept in shade All of these
30 ml X
(E) None of these.
35. The following changes were observed – Changes (i) Stretching of rubber band (ii) Cold milk to hot milk (iii) Stretching of spring
(i) Cooking of food (ii) Flour to dough (iii) Burning of paper
Which of the following can be used for the classification of the above changes? (A) Expansion and contraction (B) Cooling and heating (C) Reversible and non-reversible (D) All of these (E) None of these. 5
10 ml Y
36. Match the figures in list I with the items in list II. List I
List II
(i)
(p) husk and grain
(ii)
(q) sugar and water
(iii)
(r)
sand and water
(iv)
(s)
fruit juice and pulp
(A) (B) (C) (D) (E)
(i) (ii) (iii) (r) (s) (p) (p) (r) (q) (s) (r) (q) (q) (p) (r) None of these.
(iv) (q) (s) (p) (s)
37. Given figur e shows ___ (A) Sprouted seeds with high nutritive value (B) Seeds with high protein content (C) Body–building food (D) All of these
(E) None of these.
38. Add two drops of solution A and ten drops of solution B to the test tube. Shake well and let the test tube stand for a few minutes. The contents of the test tube turn violet. A violet colour indicates presence of X in the food item. The X is ____ (A) Body building foods
(B) Energy giving foods
(C) Vitamins
(D) Minerals
A Caustic soda Copper Sulphate
(E)
None of these.
B
39. Stunted growth, swelling of face, discolouration of hair, skin diseases and diarrhoea are the symptoms of ___ (A) Protein deficiency (E) None of these.
(B) Fat deficiency
(C) Imbalanced diet
6
(D) Both (A) and (C)
40. Swollen glands in neck, mental disability in children, are the symptoms of deficiency of a mineral, which is present in ––– (A) Salt (B) Sugar (C) Chilli (D) Lemon (E) None of these. 41. The type of venation seen in the given figure is ____ (A)
Parallel venation
(D) All of these
(B) Reticulate venation
(C) Simple venation
(E) None of these.
42. The given figure shows the different parts of a pistil. Select the correct match of the parts labelled as a, b and c. a b (A) Stigma Style (B) Style Stigma (C) Style Ovary (D) Stigma Style (E) None of these.
a
c Ovary Ovary Ovule Ovule
b
c
43. Which of the following is correct ? (A) (C) (D) 44. The (A) (C) (E)
Outer skeleton of the snail is made of bones (B) Earthworms have bones Hinge joint allows us to bend our head forward and backward Elbow is an example of pivotal joint (E) None of these. contraction of the 'b' pulls the 'a' during movement. What are 'a' and 'b'? a = Cartilage, b = Bones (B) a = Bones, b = Cartilage a = Bones, b = Muscles (D) a = Muscles, b = Bones None of these.
45. The method of preparing compost with the help of organisms is called vermicomposting. These organisms ___ (A) (C) (E)
Need food like vegetable and fruit wastes Need food like broken toys None of these.
(B) Need food like dead worms (D) Need food like plastic bags
46. Figure shows the movement in fish. During swimming ____ (A)
Muscles make the front part of the body curve to one side and the tail part towards the same side
(B)
Muscles make the front part of the body curve to one side and the tail part towards the opposite side
(C)
Muscles make the whole body straight
(D) (E)
All of these. None of these.
47. Example(s) of stimuli is/are ___ (A) Your favo urite ice-cream (C) Lighting a torch into your eye (E) None of these.
(B) Pricking of your finger (D) All of these
48. Periscope, a device used in U-boats makes use of ___ (A) Reflection of light (B) Refraction of light (C) Shadow formation through light (D) Double reflection (E) None of these. 7
49. Water vapour goes into air by the processes 'P' and 'Q', forms clouds and then comes back to the ground as rain. (A) P = Condensation process Q = The process by which ocean water changes into vapour (B) P = The process by which the water disappears from a plate when kept in sunlight Q = The process by which water is lost by wheat plants (C) P = The process by which water is lost by the plants of the forest Q = The process by which water vapour is converted into water (D) All of these (E) None of these. 50. Jute fibres are ___ (A) Obtained from root of the jute plant (C) Mainly grown in North-East India (E) None of these.
(B) Cultiv ated during summer season (D) All of these
SPACE FOR ROUGH WORK
8
12th
Year 2009
MENTAL ABILITY 1.
If C, D, I, V, X represent roman numerals, then the value of CDI + V + C + X is equal to (A) 506
2.
(B) 401
(C) 406
(D) 516
Ash has 6 video games, as shown here. She plans to play two of these games today, and the order in which she plays them is not i mportant.
1
2
How many different combinations of two video games are possible? (A) 15 3.
4.
(B) 12
4
5
6
Video Games
(C) 5
(D) 4
Which transformation of the shaded figure is represented in the diagram ? (A) Reflection
(B) Translation
(C) Rotation
(D) None of these
The longest rod which can measure the three dimensions of the room exactly if length, breadth and height of a room are 8 m 25 cm, 6 m 75 cm and 4 m 50 cm respectively is (A) 25 cm
5.
3
(B) 75 cm
(C) 14850 cm
(D) 15 cm
Anuj and Vicky are placing books on the library shelves. They have completed
2 of the job so far.. 3
Which fraction is equivalent to the job not completed by both so far ? (A)
6.
2 6
(B)
2 4
(C)
4 6
(D)
3 2
Gupta's family bought a bag of oranges. There are 6 people in Gupta's family. If they ate
3 of the 8
oranges, what fraction of the oranges remained ? (A) 7.
9 8
(B)
(B) 9 hundreds
3 14
(D)
3 48
(C) 9 hundredths
(D) 9 thousandths
An ant went 4 m 26 cm up a tree, then it came 2 m 30 cm down. The height of the ant from the ground is (A) 1 m 50 cm
9.
(C)
What is the value of the underlined digit in 246.159 ? (A) 9 thousands
8.
5 8
(B) 1 m 60 cm
(C) 1 m 96 cm
(D) 2 m
Which of the following is closest to the distance between point A and point B on the number line shown below ? B
A
200
(A) 175 units
300
400
(B) 275 units
(C) 450 units
500
(D) 725 units
10. Mohit is twice as old as his little brother. Which expression can be used to find Mohit's age if x represents his brother's age ? (A) 2 + x (B) 2 x (C) x ¸ 2 (D) x – 2 11. Three hundred thousand times of three hundred thousand equals (A) Nine hundred thousand (B) Nine mill ion (C) Nine billion (D) Ninety billion 12. Which number is evenly divisible by 4 ? (A) 5,314
(B) 5,426
(C) 5,650 2
(D) 5,736
13. What is the value of n in the given equation ? –9 × –8 = n (A)
–72
(B) –63
(C) 0
(D) +72
14. The given figure represents the equation 5y + 7 = 19. What is the first step in finding the value of y ? (A)
Div ide the thread sticks equally among the 5 rollers.
(B)
Add 19 thread sticks to each side of the figure.
(C)
Add 7 thread sticks to each side of the figure.
(D)
Subtract 7 thread sticks from each side of the figure.
y
y
y
y
y
=
+
15. Seema bought 13 kg apples for Rs. 85 per kg. How much money did she pay for the apples ? (A)
Rs. 1105
(B) Rs. 1385
(C) Rs. 3300
(D) Rs. 11005
SCIENCE 16. In a given system of units, the ratio of the unit of volume to that of area gives the unit of (A) Mass
(B) Length
(C) Time
(D) Temperature
17. Which of the following is NOT the correct method to make a magnet ? S
(A)
I and II
(B)
II
(C)
I, II and III
(D)
IV
S
N N S
N
Iron piece (I)
Iron piece (II)
Iron piece
N
S
N
S
Wood or plastic
Iron piece (IV)
(III)
18. In which of the following circuits will the bulb or bulbs glow the brightest? (A)
P
(B)
Q
(C)
R
(D)
S
3V 3V P
3V 3V
Q
3V
3V
R
S
19. In the diagram given below, the bulb is moved in the direction shown by the arrow. How does the shadow of the sphere change? (A)
Shadow becomes larger when bulb mov es to right
(B)
Shadow becomes shorter when bulb moves to left
A sphere (or ball)
(C)
Shadow becomes shorter when bulb moves to right
A pole
(D)
Shadow remains same when bulb moves to left or right.
Bulb
Direction o f movement
Ground
20. A stone of volume 30 cm 3 is lowered into 60 cm 3 of water in a measuring cylinder as shown. What will be the new reading in the measuring cylinder ? (A)
60 cm3
(B)
30 cm3
(C)
90 cm3
(D)
Stone Water 3
100 cm
3
Measuring cylinder
21. Sri Ram suspended 4 bars from a pole. He brought the North pole of a bar magnet near parts X and Y of each bar. He recorded his observations in the table given below. Bar
Magne t and part X
Magnet and part Y
Bar P
Pushed
Pulled
Bar Q
Nothing happene d
Nothing happene d
Bar R
Pulle d
Pushed
Bar S
Pulled
Pole
S
Pulled
X Y X Y X Y X Y Bar P Bar Q Bar R Bar S
N
Magnet
Which of the following sets correctly represents metal bars A, B, C and D? Bar P Bar Q Bar R Bar S (A) Magnet Glass bar Magnet Iron bar (B) Magnet Iron bar Magnet Copper bar (C) Copper bar Magnet Iron bar Magnet (D) Magnet Iron bar Copper bar Glass bar 22. The diagram shows a magnet being used to pick up a steel bar. The N-pole of the magnet is close to the centre Y of the steel bar as shown. What are the poles induced in the steel bar at X, Y and Z?
S N X
Pole induced at X Pole induced at Y Pole induced at Z (A)
N
N
N
(B)
N
S
N
(C)
S
N
S
(D)
S
S
S
Y
Z
23. You cannot see a burning candle by using a bent pipe. This is because (A) Light gets bent along the pipe
(B) Light travels in straight line
(C) Light gets reflected
(D) Light gets absorbed
24. Match the following. Column I (a) Current flows throug h (b) Item which has magnet inside it (c) Object which can change path of light (d) A major phenomenon showing shadow formation
(p) (q) (r) (s)
Candle
Column II Compass Mirror Eclipse Closed circuit
(A) (a) – (s), (b) – (p), (c) – (q), (d) – (r)
(B) (a) – (s), (b) – (q), (c) – (p), (d) – (r)
(C) (a) – (p), (b) – (s), (c) – (q), (d) – (r)
(D) (a) – (s), (b) – (r), (c) – (s), (d) – (q)
25. Which of the following correctly shows the conversions of energy? Device
Energy conversion
(A) Electric iron
Electrical energy ® Sound energy + Heat energy + Light energy
(B) Telephone
Mechanical energy
(C) Bicycle dynamo
Mechanical energy ® Electrical energy + Heat energy
(D) Table lamp
Electrical energy ® Light energy
®
Sound energy
26. What is common in the motions exhibited in the figures ? (A) All motions are periodic (B) All motions are oscillatory (C) All motions are rotational (D) All motions are uniform 4
N
S
27. Match the following. Column I Column II (a) A body which does not allow light to pass through it (p) Reflection (b) The path along which light energy travels in a given direction (q) Ray of light (c) Mirror forms image by (r) Luminous (d) A body emitti ng lig ht on its own (s) Opaque (A) (a) – (s), (b) – (q), (c) – (p), (d) – (r) (B) (a) – (p), (b) – (r), (c) – (s), (d) – (q) (C) (a) – (r), (b) – (s), (c) – (q), (d) – (p) (D) (a) – (q), (b) – (r), (c) – (p), (d) – (s) 28. What could X and Y possibly be ? X Y (A) Cotton Sponge Stone (B) Sponge (C) Stone Cotton (D) Stone Brick
X can be compressed easily
Y cannot be compressed easily
29. The figure shows a mixture of P and Q taken in a china dish. On heating the mixture for some time, it is observed that only P remains in the china dish and no traces of Q are found. The substances P and Q and the process 'R' are P+Q China dish (P) (Q) (R) Sand-bath (A) Sugar Salt Separation (B) Salt Water Condensation Tripod stand Bunsen burner (C) Water Salt Evaporation (D) Salt Water Evaporation 30. Study the venn diagram ( x ) (A) Evaporation (B) Melting of ice (C) Freezing of water (D) Breaking of brick
carefully. Which of the under given could be x and y ? (y ) Breaking of wooden stick s I r re - e c h a n g x v e r s y Breaking of brick e i bl e t a t o f s Breaking of brick Freezing of water
31. The given figure shows a process of separation of some impurities from water. What kind of impurities can be removed by using this process ? (A) Clay (B) Mud (C) Both (A) and (B) (D) None of these
Thread
R ev e r- s ib le
Alum Clear water
Water + Impurity
Impurities
32. Statement I : Windshields of cars are made of glass. Statement II : Those substances or materials through which things can be seen, are called translucent. Which of the following options is correct regarding the above two statements ? (A) Both statements I and II are true, statement II is correct explanation for statement I. (B) Both statements I and II are true, statement II is not a correct explanation for statement I. (C) Statement I is true, statement II is false. (D) Statement I is false, statement II is true. 33. Study the flow chart carefully.
can
Mark the correct option. (i) (A) Swim (B) Float (C) Float
(ii) Wax Coin Oil
(D)
Kerosene
Float
Matter
(i)
on water examples are Wooden cork, plastic ball
5
Sink in water examples are (ii) , plastic ball
34.
I.
II.
What is common in the above given figures ? (A) Both are permanent changes (C) Both are chemical changes 35. Match the following : (a) Stone and rice (b) Paneer and liquid (c) Cream from milk (d) Grain from stalks (a) (A) (iii) (C) (ii)
(b) (i) (i)
(c) (ii) (iii)
(i) (ii) (iii) (iv)
(B) Both are temporary changes (D) Both are impossible changes
Filtration Threshing Handpicking Churning
(d) (iv) (iv)
(a) (B) (i) (D) (iii)
(b) (iii) (i)
(c) (iv) (iv)
(d) (ii) (ii)
36. Which of the following are incorrectly matched ? (i)
Shirt : Cotton
(A) (i) and (ii)
(ii)
Bag : Leather
(B) (ii) and (iii)
(iii) Plate : Mirror
(iv) Book : Plastic
(C) (iii) and (iv)
(D) (i) and (iv)
37. Before making iron tools, a blacksmith heats the iron till red hot, so that (i) the tools made by him are red in colour. (ii) iron becomes soft. (iii) iron can be beaten to make tools of desired shape. Which of the above reasons do you think are the most appropriate ? (A) (i) and (ii)
(B) (ii) and (iii)
(C) (i) and (iii)
(D) All of these
38. Herbivorous, carnivorous and omnivorous organisms are divided according to their eating habits. Which one of the following represents a herbivore?
(A)
(B)
(C)
(D)
39. During an experiment shown in figure, two drops of solution X are added to the bread, for the detection of Y in the bread. The colour of X changes from brown to blue-black. Identify X and Y in the experiment. X Y X (A) Iodine solution Fats (B) Iodine soluti on Starch (C) Copper sulphate solution Fats (D) Copper sulphate solution Proteins 40. There are many ways by which fabrics are made from yarns. One such process is represented in the figure. What is the woman doing over the handloom? (A) Weaving of fabric
(B) Knitting of fabric
(C) Spinning of fabric
(D) Both (A) and (B) Q = Sepal R = Style
41. Which of the following parts of the flower are wrongly labelled ? P = Stigma
(A) O, P
(B) P, Q
(C) Q, R
(D) R, S
O = Filament
6
S = Ovary T = Petal
42.
Take two pots P & Q filled with soil, a pair of scissors and two weeds of the same kind
Plant one weed in pot P. Cut the roots of the other weed and plant it in pot Q.
Water them regularly.
Observe after a week.
In the above experiment we observe that the weed in pot P is healthy, but the weed in pot Q starts wilting and drying up inspite of regular watering. This experiment proves that (A) Starch is present in the leaves. (B) Photosynthesis is not performed by leaves in absence of sunlight. (C) Transpirati on does not occur without water. (D) Roots absorb water and transport it to all parts of the plant. 43. Which of these will thrive best in the desert ? (A) P only (B) R only (C) P and Q (D) Q and S
Q
P
R
S
44. Yak, polar bear, snow leopard and mountain goat are the animals livin g in the mountain habitat. What kind of adaptations do they show for living in those extreme cold climates? (A) They have thick skin and fur. (B) They have webbed feet. (C) They have scales on their bodies. (D) Both (A) and (C). 45. Find out the correct match for the items in column I with the items of column II. Column I Column II (a) Upper jaw (i) Bones are holl ow (b) Neck (ii) Fixed joint (c) Fish (iii) Pivotal joint (d) Birds (iv) Has a streamlined body (a) (b) (c) (d) (a) (b) (c) (d) (A) (iii) (ii) (i) (iv) (B) (iv) (ii) (i) (iii) (C) (ii) (iii) (iv) (i) (D) (iii) (ii) (iv) (i) Directions : Refer the following paragraph for Q. 46 and Q. 47. Take some moong seeds. Soak them in water overnight. Divide them into 4 parts (i), (ii), (iii) and (iv). Put (i) in a dish full of water. Put (ii) in a dish containing wet cotton wool and keep this dish in a dark cupboard. Put (iii) also on wet cotton wool in a dish, but keep this dish outside in sunlight. Put (iv) on wet cotton wool in a dish and keep the dish in refrigerator. 46. Which set of seeds do not germinate at all and why? (A) (iv ), because the temperature in the refrigerator is too low for the growth to take place. (B) (ii), because these seeds do not get air, light or warmth. (C) (i), because they are fully dipped in water. (D) Both (B) and (C). 47. Let the seeds grow for a week. What do you observe? (A) Only (iii) will grow into seedlings. (B) Both (iii) and (iv) will grow. (C) The seedlings in (iii) will be green but not pale. (D) Both (B) and (C). 48. The given diagram shows the water cycle. If Q is the first step in the cycle, arrange the rest of the letters in the correct order of a water cycle. (A)
Q, S, P, R
(B) Q, P, R, S
(C)
Q, R, S, P
(D) Q, S, R, P
Rain P
7
Q
Water fills Cloud lakes and formation rivers R S
49. The given experiment is performed to show that (A) Air occupies space. (B) Dust particl es are present in water. (C) Air has water vapour.
3
2
Fill water in tumbler.
(D) Water has mass. 50.
1
Put some ice in it.
P & Q are two heaps of garbage. P includes all the food wastes like vegetable and fruit peels, egg shells, tea leaves, etc., and waste paper. Q includes rags of clothes, polythene bags, aluminium foils, old shoes and broken glassware. Both the heaps are separately buried in two pots and covered with soil. After four days when the soil is removed which heap will appear black in colour and why ? (A) Heap P , because the waste material has rotten completely. (B) Heap Q, because the waste material has rotten partially. (C) Both P & Q as they have rotten completely. (D) None of them as they have not rotten completely. SPACE FOR ROUGH WORK
8
P
Q
13th
Year 2010
MENTAL ABILITY 1.
The given tally chart shows how John' s class voted for the games they
Tally Marks
should play at the class outing. Which two games received the highest and
IIII
second highest votes respectively ?
IIII IIII I
(A) Kickball and Soccer
IIII I
(B) Relay Races and Freeze Tag
III
(C) Soccer and Freeze Tag 2.
How many
(D) Kickball and Relay Races
do you need to balance the last set-up ? 2 kg
If (A) 8 3.
4 kg
, and
?
then
(B) 10
(C) 12
Which of the followi ng statements describes the information given in the
(D) 14 Number of Number of Tables People (n)
table ?
1
0
(A) There are 2n + 1 people at each table
5
2
(B) There are 4n people at each table
9
4
13
6
17
8
21
10
(C) There are 4n + 1 people at each table (D) There are 2n –1 people at each table 4.
5.
A car dealershi p had a special sale. It had 100 cars to sell. It sold 26 cars on Friday. It sold 37 cars on Saturday. It received 12 new cars on Monday. Which of the following expressions shows the number of cars the dealership had after the cars received on Monday? (A) (100) + (–26) + (–37) + (12)
(B) (26) + (37) + (–12)
(C) (–26) + (–37) + (–12)
(D) (–100) + (–26) + (37) – (–12)
How many more squares must be shaded so that
1 3
of the
figure is shaded ? (A) 1
(B) 2
(C) 3
(D) 4 A
6.
Mr. Ashmit drew the given figure on the board. D
Which word describes the line segment AD ?
B
7.
(A) Chord
(B) Radius
(C) Diameter
(D) Perpendicular
Mr. Karan created the given functi on table. What rule did he use to find the output number? (A) n + 3 (B) n – 2 (C) n × 9 (D) n/3 2
C
Input ( n) Output 3
1
9
3
27
9
81
27
8.
Mohit has twice as many nails as he has bolts. He has 70 nails. How many bolts does he have? (A)
9.
35
(B) 37
(C) 68
(D) 72
Pratik glued several different geometric figures to his tabletop for decoration. What type of geometric figure is Figure 1 ? (A)
Right triangle
(B)
Scalene triangle
(C)
Isosceles triangle
(D)
Equilateral triangle
1 r e u i g F
10. Mrs. Neha wrote the following problem on the board and asked her students to solve it. Every Tuesday ( t ), Kim practices the piano for 30 minutes. Every Wednesday ( w ), she practices twice as long as on Tuesdays. How long does Kim practice on Wednesdays? Which equation will help to determine how long Kim practices on Wednesdays? (A)
w =
2×
(B)
t
w = t +
2
(C)
w + t =
30
(D)
w – t =
60
11. Mr. Varun asked his students to write down the first five prime numbers. Which of the following is an accurate listing of the first five prime numbers? (A)
2, 3, 5, 7, 11
(B) 1, 3, 5, 7, 9
(C) 0, 1, 2, 3, 5
(D) 2, 3, 7, 9, 12
12. What is the value of the expression shown here ? 10 + 16 2 × 4 (A)
12
(B) 42
(C) 52
(D) 72
13. Which shape on the number line best represents the location of 2 (A)
(B)
(C)
(D)
1
1 4
?
2
3
4
14. Which of the following figures shows only a flip of the shaded figure across line m?
m m
(A)
m
m
(B)
(C)
m
(D)
15. Ms. Nupur wants to buy 30 cupcakes for her class. There are 4 cupcakes in each package. What is the least number of packages she will have to buy? (A)
6
(B) 7
(C) 8
(D) 9
SCIENCE 16. The motion exhibited by the ball rolling down on inclined plane is _____ (A)
Rotational and circular
(B) Rotational and periodic
(C)
Rectilinear and rotational
(D) Uniform motion
3
17. The diagram shows a person viewing the image of a pencil in a plane mirror. How far from the person does the image of the pencil seem to be? (A) 2 m
(B) 3 m
(C) 4 m
(D) 6 m
K
1m
2m
Plane mirror
18. Which of the following sources provide the most similar amounts of energy? (A) Oil & nuclear
(B) Coal & gas
(C) Gas & nuclear
(D) Coal & nuclear
19. An opaque object can form two shadows as shown. Which object do the shadows belong to ?
(A)
(B)
(C)
(D)
20. Which of the following materials is not grouped correctly ? (A)
Conductors Iron nail
Insulators Wooden chair
(B)
Steel spoon
Football
(C)
Paper boat
Lemon water
(D)
Safety pin
paper
P 21. Study the given circuit diagram. Which of the following statements about the circuit are true? (i) An electric current transports energy from component R to component P . Q (ii) Component Q is in the 'on' position that allows electricity to flow in a R complete path. (iii) The wires that connect components P , Q and R in the circuit must be covered with electrical insulations. (iv) The wires that connect components P , Q and R in the circuit are good electrical conductors.
(A) (i) and (iv) only
(B) (ii) and (iii) only
(C) (ii), (iii) and (iv)
(D) (i), (ii), (iii) and (iv)
22. The passengers sitting in a flying aeroplane are in _____ with respect to clouds, but are in ____ with respect to the interior of the aeroplane. (A) Rest, motion
(B) Rest, rest
(C) Motion, rest
(D) Motion, motion
23. The object which can form both circular and rectangular shadows is (A)
(B)
(C)
(D)
24. Which one of the following is not a similarity between Earth and Moon? (A) Both do not give off light of their own
(B) Both are round in shape
(C) Both have gravitational pull
(D) Both are Sun's satellite
25. A blurred view is obtained through a paper when a little amount of oil or grease is applied on it because the paper becomes _______ (A) Clear (B) Transparent (C) Translucent (D) Opaque 4
26. Study the flow chart carefully and match column I (Objects) with column II (Materials). Does it break easily ?
Yes
Is it transparent ?
No
Yes
Object R
Is it elastic ?
Is it shiny ?
No
No
Object P
Material
Object
No
P
(i) Clay
Q
(ii) Metal
R
(iii) Glass
Object Q
(A)
(P) – (i); (Q) – (ii); (R) – (iii)
(B) (P) – (ii); (Q) – (iii); (R) – (i)
(C)
(P) – (ii); (Q) – (i); (R) – (iii)
(D) (P) – (iii); (Q) – (i); (R) – (ii) Ice
27. What kind of change is taking place in the given pictorial representation ?
28.
(A)
Reversible & physical
(B)
Irreversible & chemical
(C)
Reversible & chemical
(D)
Irreversible & physical
Steam
Ball A steel loop
Water
A steel loop Ball
A
B
Reema has been trying to make a ball pass through a steel loop but remains unsuccessful. What should Reema do to make the ball pass through the steel loop ? (A)
Heat the loop
(B) Cool the loop
(C) Stretch the loop
(D) Put the loop in water
Rahul took 2 shallow bowls of the same kind. He filled them with equal quantity of water and kept one of these cups out in the sun and one in shade.
29.
What conclusion did he make after the experiment ? (A)
Rate of evaporation increases with increase in temperature.
(B)
Rate of evaporation decreases with increase in temperature.
(C)
Rate of evaporation is unaffected by temperature.
30. The (A) (B) (C) (D)
given experiment shows Air contains dust particles Air occupies space Air has mass Air is colourless.
(D) None of these.
Tie two balloons at equal distance from the mid point so that it is balanced
Now fill air in one balloon by blowing air in it and place it at its original position
31. The given figures show particles of the same matter. In which picture is the matter hottest ?
(A)
(B)
(C)
32. Water is poured into the tank until it is half full. Which of the objects in the tank will move up to the water surface ? (A)
1 and 4
(B) 1 and 3
(C)
2 and 4
(D) None of these 5
(D)
1. Stones 2. Pingpong ball 3. Marble 4. Wooden cork
33. Match column I with column II and mark the correct option from the codes given below. Column I Column II (a) Nitrog en gas + oxygen gas (i) 99% of air (b) Loss of water by plants (ii) Water cycle (c) Drought (iii) Transpiration (d) Repleni shment of water (iv) Scarcity of ground water (A) (a) - (i); (b) - (ii); (c) - (iii); (d) - (iv)
(B) (a) - (iii); (b) - (ii); (c) - (i); (d) - (iv)
(C) (a) - (iv); (b) - (i); (c) - (ii); (d) - (iii)
(D) (a) - (i); (b) - (iii); (c) - (iv); (d) - (ii)
34. A mixture contains two solid s P and Q . Solid P is light in weight while solid Q is very heavy. Their sizes are almost same. Here, P is the unwanted component. To get pure solid Q , which separation method would you suggest ? (A) Sieving
(B) Winnowing
(C) Magnetic separation
(D) Filtration
35. Match the organisms in column I with their food habits in column II and select the correct option from the codes given below : Column I Column II (a) Snail (i) Human or animal blood (b) Peacock (ii) Plant nectar (c) Bees (iii) Grains, insects & snakes (d) Mosquito (iv) Decaying plant parts (A) a-(i), b-(ii), c-(iii), d-(iv) (B) a-(ii), b-(i), c-(iv), d-(iii)
(C) a-(iv), b-(iii), c-(ii), d-(i) (D) a-(iii), b-(iv), c-(i), d-(ii)
36. Identify missing parts P , Q & R in the given flow chart describing preparation of ghee. P
Q
R
(A) Butter
Milk
Cheese
(B) Milk
Butter
Cream
(C) Cheese
Butter
Cream
(D) Milk
Cream
Butter
Cow
P
Q
R
Ghee
37. If your mother is buying food items packed in packets, bottles or tins, which of the following information must she look for ? (i) Contents (ii) Date of manufactu re (iii) Expiry date (iv) Max. retail price (v) Any mark of quality like AGMARK, FPO. (A) (i) & (ii)
(B) (ii), (iii) & (v)
(C) (ii), (iii), (iv) & (v)
38. The child in the given figure is suffering from a deficiency disease. This disease is caused due to deficiency of
(D) (i), (ii), (iii), (iv) & (v)
Swollen moon face
Colour loss in hair and skin
Stops growing
(A) Carbohydrates (B) Proteins
Thin upper arms Sore and peeling skin
(C) Fats (D) Vitamins
39. Which should come in the blank next to (iv) in the given figure ? (A) Polyester (B) Coir
(i) Wool
(iii) Cotton
(v) Paper
(ii) Silk
(iv) ______
(vi) Rubber
(C) Cashmere (D) Nylon
Natural fibre
6
Made from plants
40. Which of the following materials upon burning smells like burning paper ? (i) Cotton (ii) Silk (iii) Flax (iv) Wool (v) Fur (vi) Jute (A)
(i), (iii) & (vi)
(B) (ii), (iv) & (v)
(C) (i), (ii), (iv) & (vi)
(D) (iv) & (v)
41. Given below are three statements (a-c) each with one or two blanks. Select the option which correctly fills up the blanks in two statements. (a) In cacti, the (i) is thick, fleshy and green. It carries out photosynthesis. (b) The male reprodu ctive part of a flower is (i) . (c) The coloured (i) of a flower attract insects for (ii) . (A)
(a) - (i) Root, (b) - (i) Pistil
(B) (b) - (i) Stamen, (c) - (i) Petals, (ii) Pollination
(C)
(a) - (i) Root, (c) - (i) Sepals, (ii) Food
(D) (a) - (i) Root, (b) - (i) Stamen
42. Smita set up an apparatus as shown in the given figure. After keeping the apparatus for some time in the Sun, she found that some gas has collected in the top part of the test tube. Which gas could it be ? (A) Oxygen
(B) Hydrogen
(C)
(D) Nitrogen
Carbon dioxide
Gas collected Test tube
Water Water plant
P
43. In which labelled part(s) is a movable joint present ? (A) P (B) R (C) Q (D) All of these
Q R
44. Observe the movement of a fish as shown in the figure. Which part of the fish helps it to move forward ? (A) Dorsal fins (B) Tail fin (C) Mouth (D) Skeleton 45. Garima took a plant found on the land and carefully put it inside a jar of water as shown by tying it to stones. She added the minerals required by the plant in the water and kept it in sunlight. After some days the plant died. What could be the probable reason for its death ? (A) The plant was not able to absorb oxygen for respiration inside water (B) The plant was not able to absorb carbon dioxide for photosynthesis inside water (C) The plant did not get sunlight to perform photosynthesis inside water (D) Both (A) & (B)
Water & minerals Stones
46. Given below are some of the adaptations shown by organisms living in the mountain regions. Select the ones which do not correctly describe the mountain habitat. (i) Animals have thick skin or fur. (ii) Goats have strong hooves. (iii) The shape of trees is normally of cone type. (iv) The stems become thick, flat and green. (v) The leaves are covered by waxy layer. (vi) The animals have streamlined body. (A) (i), (ii) & (iii) (B) (iv), (v) & (vi) (C) (i), (ii) & (vi) (D) (ii), (iv) & (vi) 47. Landfill is an area where the garbage collected from a city or town is (A) Dumped (B) Recycled (C) Burned 7
(D) Both (B) & (C)
48. Given below are four (i-iv) articles. Suggest the most appropriate biodegradable articles that can be used to replace them and select a correct option. (i) Plastic bags (ii) Plasti c pots (iii) Chemical fertilizers (iv) Plastic plates (A) (i)-Paper plates, (ii)-Clay pots, (iii)-Jute bags, (iv)-Vermicompost (B) (i)-Clay pots, (ii)-Vermicompost, (iii)-Jute bags, (iv)-Paper plates (C) (i)-Jute bags, (ii)-Clay pots, (iii)-Vermicompost, (iv)-Paper plates (D) (i)-Paper plates, (ii)-Jute bags, (iii)-Vermicompost, (iv)-Clay pots 49. The given figure represents a section of a tree trunk. Find out how old this tree was ? (A) Three years old
(B) Five years old
(C) Six years old
(D) Seven years old
Core of tree Bark
50. What is the source of food articles shown in the given figures? (A) Plants (B) Animals (C) Humans
Dabur HONEY
(D) Both (A) & (B) SPACE FOR ROUGH WORK
8
ANSWER KEYS
9TH NSO
(B) (A) (C) (D) (D) (B) (B) (A)
1. 8. 15. 22. 29. 36. 43. 50.
2. 9. 16. 23. 30. 37. 44.
(B) (A) (B) (A) (C) (C) (A)
3. 10. 17. 24. 31. 38. 45.
(B) (D) (B) (D) (C) (D) (D)
4. 11. 18. 25. 32. 39. 46.
(D) (A) (B) (B) (A) (A) (C)
5. 12. 19. 26. 33. 40. 47.
(A) (B) (C) (A) (C) (B) (A)
6. 13. 20. 27. 34. 41. 48.
(A) (A) (A) (D) (B) (B) (D)
(A) (D) (A) (B) (C) (C) (D)
7. 14. 21. 28. 35. 42. 49.
10TH NSO 1. 9. 17. 25. 33. 41. 49.
(B) (C) (B) (B) (B) (C) (B)
(D) (A) (C) (D) (A) (A) (B)
2. 10. 18. 26. 34. 42. 50.
3. 11. 19. 27. 35. 43.
(A) (C) (C) (C) (B) (B)
(B) (D) (B) (C) (C) (C)
4. 12. 20. 28. 36. 44.
(B) (A) (C) (C) (A) (D)
5. 13. 21. 29. 37. 45.
6. 14. 22. 30. 38. 46.
(A) (B) (A) (A) (B) (B)
7. 15. 23. 31. 39. 47.
(C) (C) (C) (B) (C) (E)
8. 16. 24. 32. 40. 48.
(D) (B) (A) (D) (A) (B)
11TH NSO
1. 8. 15. 22. 29. 36. 43. 50.
(A) (C) (B) (B) (D) (A) (E) (C)
2. 9. 16. 23. 30. 37. 44.
(C) (B) (D) (C) (D) (D) (C)
3. 10. 17. 24. 31. 38. 45.
(B) (D) (B) (A) (B) (A) (A)
4. 11. 18. 25. 32. 39. 46.
(A) (B) (C) (D) (D) (D) (B)
5. 12. 19. 26. 33. 40. 47.
(C) (B) (B) (B) (C) (A) (D)
6.
(A) (D) (C) (A) (B) (A) (D)
6.
(A) (B) (D) (C) (D) (A) (A)
6.
13. 20. 27. 34. 41. 48.
(B) (A) (C) (C) (A) (B) (A)
7.
(B) (D) (C) (A) (A) (B) (A)
7.
(A) (B) (C) (A) (B) (B) (C)
7.
14. 21. 28. 35. 42. 49.
(B) (C) (C) (A) (C) (B) (B)
12TH NSO 1. 8. 15. 22. 29. 36. 43. 50.
(D) (C) (A) (B) (D) (C) (A) (A)
2. 9. 16. 23. 30. 37. 44.
(A) (A) (B) (B) (D) (B) (A)
3. 10. 17. 24. 31. 38. 45.
(C) (B) (D) (A) (C) (D) (C)
4. 11. 18. 25. 32. 39. 46.
(B) (D) (A) (D) (C) (B) (B)
5. 12. 19. 26. 33. 40. 47.
13. 20. 27. 34. 41. 48.
14. 21. 28. 35. 42. 49.
(D) (D) (A) (B) (D) (D) (C)
13TH NSO 1. 8. 15. 22. 29. 36. 43. 50.
(D) (A) (C) (C) (A) (D) (C) (B)
2. 9. 16. 23. 30. 37. 44.
(A) (B) (C) (A) (C) (D) (B)
3. 10. 17. 24. 31. 38. 45.
(A) (A) (C) (D) (D) (B) (D)
4. 11. 18. 25. 32. 39. 46.
(A) (A) (B) (C) (C) (B) (B)
5. 12. 19. 26. 33. 40. 47.
13. 20. 27. 34. 41. 48.
14. 21. 28. 35. 42. 49.
(D) (A) (D) (A) (C) (A) (C)