SAMPLE PAPER FOR NATIONAL SCIENCE OLYMPIAD (NSO)STAGE-II CLASS -III Time : 1 Hr.
Max. Marks : 35
GENERAL INSTRUCTIONS 1. The booklet given in the examination hall will be the Question Paper. An OMR Answer Sheet will also be provided along with the Question Paper. 2. A candidate has to write his/her answers in the OMR sheet by darkening the appropriate bubble with the help of HB Pencil as the correct answer(s) of the question attempted. 3. Paper carries 35 questions. There are 2 sections, 10 in Section I and 25 in Section II. 4. Blank papers, clip boards, log tables, slide rule, calculators, mobile or any other electronic gadgets in any form is not allowed. 5. Write your Name & Roll No. in the space provided in the bottom of this booklet. 6. Before answering the paper, fill up the required details in the blank space provided in the answer sheet. 7. There is no negative marking. Do not spend too much time on a particular question. 8. No rough sheets will be provided by the invigilators. All the rough work is to be done in the blank space provided in the question paper. 9. In case of any dispute, the answer filled in the OMR sheet available with the institute shall be final.
Name : ____________________________________________ Roll No. : _______________________________
MENTAL ABILITY 1.
2.
Which is not the same as 3 x 7? (A) 12+9 (B) 7 x 3
(C) 7+7+7
(D) 7- 3
Which symbol goes in the __to make the following sentence true? 7 + 2 __4 + 5 (A) =
3.
5.
(B)
(C)
(A) 20 + 2 + 4
(B) 200 + 2 + 4
(C) 200 + 20 + 4
(D) 2000 + 20 + 4
(D)
The place vaue of 0 in 101 is (B) 10 ones
(C) 100 ones
(D) 1 ones
(C) 9
(D) 10
How many triangles are there in the figure?
(A) 5 7.
(D) <
Multiply 506 by 4. The answer is the same as _____
(A) 0 tens 6.
(C) >
A right angle is formed by the hands of which clock ?
(A)
4.
(B) ˜
(B) 8
Jenny’s plant is 5 inches tall. If it grows 2 inches more, how tall will it be? (A) 3 inches
(B) 7 inches
(C) 5 inches
(D) 9 inches
(Space For Rough Work)
NSO _CLASS-III_PAGE # 1
8.
Which line of the following measurment is the longest ? (A) 1 cm
9.
(C) 3 cm
(D) 4 cm
(C) 150
(D) 290
4 x 35 is less than 2 × 75 by : (A) 10
10.
(B) 2 cm
(B) 140
A movie started at 11:35 pm. It ended 1 hour 55 minutes later. At what time did it end ? (A) 1:30 pm
(B) 12:30 pm
(C) 1:30 am
(D) 12:30 am
SCIENCE 11.
12.
A plant placed in a pot needs ________ ________ and ________ to grow (A) Water, wind, fertilizer
(B) Snow, rain, sunlight
(C) Water, sunlight, air
(D) Darkness, water, air
Plants get water and minerals from the ________ (A) Soil
13.
(D) Seeds
(B) digestion
(C) fasting
(D) brunch
Which part(s) of mustard plant is/are used as a food item ? (A) Seeds
15.
(C) Stem
The process of obtaining and consuming food is called as (A) nutrition
14.
(B) Sunlight
(B) Leaves
(C) Both (A) & (B)
(D) None of these
A plant is placed in a black box with a small opening as shown in the diagram. The black box is placed in a sunny place and the plant is watered daily. In which direction (1, 2, 3 or 4) will the plant grow after a few days?
(A) 1
(B) 2
(C) 3
(D) 4
(Space For Rough Work)
NSO _CLASS-III_PAGE # 2
16.
Which one of the following animals has a different eating habit as compared to the other ?
(A)
17.
(B)
(C)
(D)
Which of the following is the largest sense organ of our body? (A) Skin
(B) Eyes
(C) Ears
(D) Tongue
18.
Which of the following characteristics is shared by all the animals in the given box? Lizard, Parrot, Turtle, Snake (A) They lay eggs (B) They can live on land and in water (C) Their bodies are covered with scales (D) They look after their young ones
19.
Study the descriptions below I am colourless and odourless. I do not have a fixed shape. Which of the following best fits the description given? (A) Ice (B) Milk (C) Water
20.
According to the pie chart, which activity makes maximum use of water ?
(A) Toilet flushing (C) Washing clothes 21.
(D) Mango juice
(B) Washing dishes (D) People bathing
Given below are names of four food items. Three out of the four are some what similar to each other. Find the odd one out? (A) Egg (B) Butter (C) Meat (D) Broccoli
(Space For Rough Work)
NSO _CLASS-III_PAGE # 3
22.
Choose the INCORRECT statement (A) Balanced diet keeps us fit and healthy (B) Over cooking increases the nutritive value of food (C) Cheese is an animal product (D) Fresh food has more nutritive value than the preserved food
23.
Which of the following is not a temporary house? (A) Kutcha house (B) Tent (C) Bungalow (D) House boat
24.
Which of the following mentioned rooms is not required in an ideal house? (A) Living room (B) Dining room (C) Bathroom (D) Class room
25.
Mr. Ali makes the door, windows and does other wood work. He is a/an (A) Architect (B) Carpenter (C) Electrician
(D) Painter
26.
In a type of script, row of raised dots are made on a thick paper, which can be read by running the fingers on them. This type of script is known as (A) Louis script (B) Marconi script (C) Braille script (D) Wright script
27.
WhÏch of the following is the correct group of sense organs? (A) Eyes, nose, lips, ear, tongue (B) Nose, ear, teeth, hair, eyes (C) Nose, ear, eyes, skin, tongue (D) Ear, eyes, nose, lips, teeth
28.
Which of the following is the largest sense organ of our body? (A) Skin (B) Eyes (C) Ears
29.
(D) Tongue
Study the following list of actions (i) Reading a storybook. (ii) Enjoying music over the radio. (iii) Answering the telephone when it rings. (iv) Watching an interesting documentary on the television. Which of the above actions is a blind person unable to do? (A) (ii) & (iii)
30.
(B) (i) & (iv)
(C) (i), (iii) & (iv)
(D) All of these
Fill the given paragraph with the words given below and select the correct option. 24 hours, one year, atmosphere, axis, ozone layer, two year, stratosphere, 48 hours Earth rotates on its own ______. It takes _________ for one rotation. It also moves around the Sun. it takes _________ to complete one revolution. The earth is covered by a layer of gases called the _________. (A) Axis, 24 hours, two year, atmosphere (B) Axis, 48 hours, two year, ozone layer (C) Axis, 24 hours, one year, atmosphere (D) Axis, 48 hours, on year, ozone layer (Space For Rough Work)
NSO _CLASS-III_PAGE # 4
31.
The first man to walk on the moon was a/an (A) American
32.
33.
(B) British
(C) Russian
(D) Indian
Our Earth supports life by providing living things with (A) Air only
(B) Food only
(C) Water only
(D) All of these
Sudhir wants to make a tent. He intends to sleep overnight in the tent. Which of the physical properties of the material must he consider for part X of the tent?
(i) Heavy
34.
35.
(ii) Strong
(iii) Flexible
(iv) Waterproof
(A) (ii) and (iii) only
(B) (iii) and (iv) only
(C) (i), (ii) and (iii) only
(D) (ii), (iii) and (iv) only
Select the incorrect match from the following Column I
Column II
(A)Rubber
Sap of rubber tree
(B) Melaba
Ground
(C) Wood
Tree trunk
(D) Paper
Chemicals
Which of the following is made of the weakest material?
(A)
Plastic
(C)
Wood
(B)
Metal
(D)
China clay
(Space For Rough Work)
Que s.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Ans
D
A
C
D
A
D
B
D
A
C
C
A
A
A
B
Que s.
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Ans
C
A
A
C
D
D
B
C
D
B
C
C
A
B
C
Que s.
31
32
33
34
35
Ans
A
D
D
D
D
NSO _CLASS-III_PAGE # 5