Science Olympiad Class 3, Level 2

Achiever Section provides the practice papers for the National Science Olympiad (NSO) for Class 3, level 2 in this article.

There are 15 important Science Olympiad class 3 level 2 questions covered in this article. Throughout this practice paper, you will encounter a variety of questions.

Level 2 practice paper

1. Which of the following plants have very thin and weak stems, and requires support to grow?

A. Coriander                                  
B. Money plant
C. Potato
D. Beetroot

2. Which of the following measures would help to check the spread of diseases like malaria and dengue?

1.Drains carrying dirty water should be covered.

2. House should have proper ventilation and a courtyard.

3. Mosquito repellents should be used.

4. Doors and windows should be fitted with wire – netting.

A. 1 & 3 only
B. 2 & 3 only
C. 1,3 & 4 only
D. 1,2,3 & 4

3. Why is the Sun important to the Earth?

1.It provides light energy to green plants to make their own food.

2. It provides heat that enables living things to survive on Earth.

3. It rotates around the Earth to give us seasons.

A. 1 & 2 only
B. 1 & 3 only
C. 2 & 3 only
D. 1, 2& 3

4. Select the correct Option which on unscrambling gives the name of an animal that gnaws their food.

A. WAERTOMHR
B. QUSOTIOM
C. QUSRIERL
D. PLEHEATN 

5. Select the INCORRECT statement.

A. Blue whale is bigger than the largest dinosaur 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 tones of food everyday.

6. 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. Humming bird
C. Weaver bird
D. Swallow

7. Select the INCORRECT option.

A. Digestive system    –    Large intestine
B. Circulatory system – Heart
C. Skeleton system – Skull
D. Nervous system – Nostril

8. Sonika who lives in India has to invite her friend, who lives in London for her wedding. For sending invitation to her, Sonika may use

(i) E-mail                (ii) Newspaper    (iii) Radio          (iv) Telephone  

A.(i) only
B. (i) & (ii) only
C. (iii) only 
D. (i) & (iv) only      

9. Which of the following statements are corrects?

1. Talons help vultures to pick up small animals like rats.

2. Cranes walks through water with the help of webbed feet.

3. Crows and sparrow are perching birds .

A. 1 & 2 only
B. 2 & 3 only
C. 1 & 3 only
D. 1, 2 & 3

10. 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.

11. The given figure show four different fruits. Which of the following plant will not reproduce by seeds?

 

12. Which among the following organs absorbs the oxygen from the air we breathe in?

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

              Nylon                        Wool

A.               P                                 Q

B.               Q                                 P

C.               R                                  S

D.               P                                  R

 

14. Which of these beaks help the bird to crush grains and seeds?

15. Which one of these is considered as an energy-giving food?

ANSWER KEY

1.(B)

2.(C)

3.(A)

4.(C)

5.(B)

6.(B)

7.(D)

8.(D)

9.(A)

10.(D)

11.(B)

12.(D)

13.(D)

14.(A)

15.(D)

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