National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 8
I got 10/10

Ans 2:

Class : Class 4
Correct answer=D

Ans 3:

Class : Class 3
Correct answer is D

Ans 4:

Class : Class 4
Animals that gnaw have very sharp front teeth and bite repeatedly and chew it hard so, the correct answer is option (D).

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 7

Mr Khanna had a pond in his garden, filled with all kinds of aquatic plants. He wanted to prevent mosquitoes from breeding in the pond without harming the plants in any way. He could __________.
(i) Add salt into the water
(ii) Add some goldfish into the pond
(iii) Spray a film of oil on the surface of the pond

A (i) only
B (ii) only
C (iii) only
D (i), (ii) and (iii)


B is correct. As goldfish eat the mosquitoe's eegs

Ans 1:

Class : Class 7
Correct option should be c

Ans 2:

Class : Class 7

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

Read the given statements and select the correct option.
Statement 1 :Mammals are warm-blooded animals.
Statement 2 :Mammals maintain constant body temperature despite changes in environmental temperature.

ABoth statements 1 and 2 are true and statement 2 is the correct explanation of statement1.
BBoth statements 1 and 2 are true but statement 2 is not the correct explanation of statement1.
CStatement 1 is true but statement 2 is false.
DBoth statements 1 and 2 are false.


Ans 1:

Class : Class 4
CORRECT ANSWER IS A

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Subject :NSO    Class : Class 4

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