nso-level2-class-3-set-3.pdf

DO NOT OPEN THIS BOOKLET UNTIL ASKED TO DO SO Roll No. Total Questions: 35

Time: 1 hr.

CLASS

3

SET-3

sof national science olympiad

Level-2 Guidelines for the Candidate 1.

You will get additional ten minutes to fill up information about yourself on the OMR Sheet, before the start of the exam. 2. The Question Paper comprises two sections, Science (30 Questions) and Achievers Section (5 Questions). Each question in Achievers Section carries 2 marks, whereas all other questions carry one mark each. 3. All questions are compulsory. There is no negative marking. Use of calculator is not permitted. 4. Write your Name, Roll No. and Class clearly on the OMR Sheet and do not forget to sign it. 5. There is only one correct answer. Choose only ONE option for an answer. 6. To mark your choice of answer by darkening the circles in the OMR Sheet, use an HB Pencil or a Blue/Black ball point pen only. E.g. Q.16 : Raj goes to school on a bicycle. Which of these safety rules he should follow? A. He should give signals before taking turns. B. He should keep to the right of the road. C. He should cross the road by using zebra crossing. D. All of these. As the correct answer is option A, you must B C D 16. A darken the circle corresponding to option A in the OMR Sheet. 7. Rough work should be done in the blank space provided in the booklet. 8. Return the Question Paper and OMR Sheet to the invigilator at the end of the exam.

Copyright © 2015 MTG Learning Media (P) Ltd. No part of this publication may be reproduced, transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior permission of the Publisher. Ownership of an ebook does not give the possessor the ebook copyright. All disputes subject to Delhi jurisdiction only.

Science 1. Select the correct option which on unscrambling gives the name of an animal that gnaw

their food. A. WAERTOMHR

B. QUSOTIOM

C. QUSRIERL

D. PLEHEATN

2. Meetu was asked to label the parts of a plant. She labelled them as shown in the figure. Select the correct statement regarding the labelled parts. A. Stem was labelled correctly while root was incorrectly labelled. B. Both bud and root were correctly labelled. C. Leaf was labelled incorrectly. D. Both fruit and flower were labelled incorrectly. 3. The given figures show four different fruits. Which of the following plants will NOT reproduce by seeds?

A.



B.



C.



D.

4. How many food chains are there in this food web?

A. Two









B. Four



C. Five



D. Six

5.

Select the INCORRECT statement. A. Blue whale is bigger than the largest dinosaur that lived on the Earth. B. A baby whale is called a cub. C. A mother whale feeds milk to its baby under the water. D. A large whale can eat 1.5 tonnes of food everyday. SPACE FOR ROUGH WORK

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Class 3 | Level-2

6. Select the INCORRECT match for the function performed by beaks of the given birds.

A.

— Helps in crushing grains and seeds.



B.

— Helps to tap the bark of trees and take out insects.



C.

— Helps in cracking nuts and hard fruits.



D.

— Helps in tearing flesh.

7. I am known as the helicopter of the bird world. I am the only bird that can also fly backward. Who am I? A. Tailor bird B. Weaver bird C. Humming bird D. Swallow 8.

Five students made the following statements about birds. Divya : Bird's body is made up of hollow bones. Arpita : All birds can fly. Diksha : Most birds lay eggs, while some give birth to young ones. Prince : Birds use teeth to eat food. Ashish : Some birds eat flesh while some eat grains, seeds and fruits. Which among the following made false statement about the birds? A. Divya, Prince and Ashish B. B. Arpita, Diksha and Prince C. Divya, Diksha and Arpita D. Arpita, Diksha and Ashish

9. The food item shown in the figure belongs to the group 'X'. Which of the following statements

is true for this group? A. It is body building food. B. It keeps us healthy and free from diseases. C. It can get stored in form of energy in the body. D. It does not provide us energy but helps in digestion of food. SPACE FOR ROUGH WORK

Class 3 | Level-2

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10. How many food items are hidden in the given word grid?



S G M W B B. Seven

A. Six

U F M K A

G H E E N

A U A G A

R M A I T L G K N A C. Eight

D. Nine

11. Study the given flow chart carefully. Where would nylon and wool be placed?



Nylon

Wool



A. P

Q



B. Q

P



C. R

S



D. P

R

12. Which of the following is a temporary house?



A.



B.



C.



D. All of these

13. Which of the following is correct about the place shown in the picture?

A. It is a parking zone.







B. Honking is not allowed here.



C. Post office is near to the given place.



D. None of these.

P

+ + EMERGENCY

SPACE FOR ROUGH WORK

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Class 3 | Level-2

14. Which of the following vehicles is used to carry accident victims?



A.

B.



C.

D.

15. The given figure shows the human digestive system. In which labelled part does the complete digestion of food takes place?

A. P



B. Q



C. R D. S

16. Select the INCORRECT option. A. Digestive system — Large intestine C. Circulatory system — Heart



B. Skeletal system — Skull D. Nervous system — Nostril

17. Select the option which on unscrambling gives the name of an organ used to taste

different food items. A. GOTUNE

B. EOSN

C. ADNH

D. MTSOCAH

18. What happens when Moon, Earth and the Sun come in a straight line ? A. Eclipse of the Moon B. Eclipse of the Sun C. Full Moon phase D. Meteor showers 19. Rohan was watching a ship sailing in the sea. He observed that when a ship sailed away from the shore, it gets disappeared from sight in parts. Firstly the hull gets disappeared

followed by middle part and the mast (flag pole). What can be inferred from this? A. Sea is flat in shape. B. Earth is spherical in shape. C. Earth revolves around the Sun. D. Earth is flat in shape. SPACE FOR ROUGH WORK

Class 3 | Level-2

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20. Identify the constellation shown in figure X. A. Leo B. The Big Dipper C. Ursa Major D. Scorpius



21. Study the given diagram carefully and identify X and Z.



A. B. C. D.

X

Cardboard, Paper Paper towel, Pencil Cotton cloth,Tissue paper Rubber band, Plastic bag

Z

Rubber band Cardboard Swimsuit Sponge

22. Which among the following clocks is INCORRECTLY paired with its name?

A.



C.

— Pendulum clock

— Watch

B.



D.

— Hour glass

— Digital clock

23. 'X' is a strong and waterproof material. Which of these can be made from 'X'? A. Raincoat B. Tissue paper C. Sponge D. Cotton T-shirt 24. Rishee placed a cup containing ice cubes on the table. After 20 minutes, he noticed that the ice cubes were melting in the cup and there were droplets of water on the outer side

of the cup, dripping on the table. These droplets of water are a result of __________. A. Evaporation B. Freezing C. Melting D. Condensation

25. Rohan set up an experiment to study the properties of light as shown. He cannot see any light from the torch. What physical property of light is inferred from this?



A. B. C. D.

Light Light Light Light

reflects back. from the torch is too far from his eye. travels in a straight line. from the torch is not bright enough. SPACE FOR ROUGH WORK

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Class 3 | Level-2

26. Astronauts use walkie-talkies for talking in the space. Which among the following is the correct explanation for this? A. Sound cannot travel in vacuum. B. Sound cannot travel in the air. C. Astronauts wear sound proof helmets. D. None of these. 27. Rohit placed a teacup in between a lit torch and the wall.

Lit torch

Teacup

Wall



Which one of the following is likely to be the shadow of teacup that Rohit would observe on the wall?



A.



B.



C.



D.

28. Mohit tried to push a stool but failed to move it. Which of the following could be a reason for it? A. The force of push is greater than the friction. B. The force of friction is greater than the force of push. C. Mohit is not tall enough to push the stool. D. None of these 29. The given figure shows two gases used by the plants and animals during night. Which

of these can be X, Y and Z? X Y Z A. Oxygen Oxygen Carbon dioxide B. Carbon dioxide Oxygen Oxygen C. Carbon dioxide Carbon dioxide Oxygen D. Oxygen Carbon dioxide Oxygen

X

Y

Z Night

30. Which of the following weather conditions would make you put on both raincoat and gumboots? A. ACHIEVERS SECTION

B.



C.



D. Both A and C

SPACE FOR ROUGH WORK

Class 3 | Level-2

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ACHIEVERS SECTION 31. Which of the following can happen to water after it falls on the Earth? 1. It evaporates. 2. It become extinct. 3. It will not be available to plants. 4. It seeps into the ground. 5. It runs off into lakes and rivers. A. 1, 2 and 4 B. 2, 3, 4 and 5 C. 1, 2, 4 and 5 D. 1, 4 and 5 32. Read the given conversation between two friends carefully and complete the sentence that follows.



Tina : The temperature is very low in this season. Pinki : People wear gloves and sweaters. They are talking about __________ season. A. Winter B. Summer

C. Spring

D. Autumn

33. Select the INCORRECT statement from the following. A. Humus makes the soil infertile. B. Water exists in three forms. C. Moving air is also called wind. D. Clayey soil is used to make pots. 34. Look at the following figures and select the correct option.



1. (a) is an underground stem. 3. We eat stem of (d). A. 1 and 3 B. 2 and 3

2. (c) is food storage organ of the plant. 4. (b) stores food in the root. C. 3 and 4 D. 1 and 2

35.



Select the correct option to fill the empty spaces a, b, c and d in the given flow chart. a b c d A. small intestine bone blood vessels skin B. mouth muscle tongue lungs C. heart kidney windpipe ears D. food pipe muscles nerves nose SPACE FOR ROUGH WORK

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Class 3 | Level-2