National Science Olympiad Forum By SOF Olympiad Trainer - Page 279

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Answer is C . As you can see the electrons move from negative termina to positive terminal .the short line of battery shows that it is negative terminal and as you know that rubber is insulator of electricity so the electrons could not pass through bulb b¹.

Ans 2:

Class : Class 3
C

Ans 3:

Class : Class 6
Answer is d

Ans 4:

Class : Class 4

Ans 5:

Class : Class 5
C

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 10

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
Correct ans is C

Ans 2: (Master Answer)

Class : Class 1

C

Raju's grandfather has weak eyesight and cannot see without spectacles. He has lost his spectacles. So, he cannot read the telegram and newspaper, and he cannot see the visuals on TV. But he can hear the voices on Transistor and TV, and keep himself updated.


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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
the answer could also be nylon

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
B

Ans 2: (Master Answer)

Class : Class 1

B

Q is an animal that lays eggs and has 4-stages in its life-cycle. Q could be butterfly or mosquito. They lay eggs, and their life-cycle has 4-stages – egg, larva, pupa and adult. The pupa stage is the non-feeding stage.


Ans 3:

Class : Class 8
Admin is correct.I know that!

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
Sorry, meant why not A

Ans 2:

Class : Class 4
Why not C?

Ans 3:

Class : Class 4
B

Ans 4:

Class : Class 3
WHY OPTION A NOT?

Ans 5: (Master Answer)

Class : Class 1

B

Biodegradable household wastes increase soil fertility.


Ans 6:

Class : Class 7
B

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
B

Ans 2: (Master Answer)

Class : Class 1

B

Surface Y is shiny, so it may act like a mirror.


Ans 3:

Class : Class 4

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Subject :NSO    Class : Class 7

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