National Science Olympiad Forum By SOF Olympiad Trainer - Page 333

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
Answer shud be d

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
Answer b will be the correct answer as mosquito is not a social insect while others are termite is not useful insect and honey bee is a useful insect

Ans 2: (Master Answer)

Class : Class 1

B


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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
THE ANSWER C

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
correct answer C because candles, sun, torches, diya, and bulbs are luminous objects and if we count them, there are five luminous objects.

Ans 2:

Class : Class 3
the correct answer will be c

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 2
rrrrrrrrrrrrrrrrrrr

Ans 2:

Class : Class 10
this was ez

Ans 3: (Master Answer)

Class : Class 1

B

Rahul and Ravi both cover different distances XOY and XY respectively at the same time. It is clear from the figure  that the distance XOY is longer than distance XY .So, the speed of Rahul must be greater than that of Ravi.


Ans 4:

Class : Class 9

Ans 5:

Class : Class 8
b'

Ans 6:

Class : Class 6
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

Ans 7:

Class : Class 9
B

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 5
C

Ans 2:

Class : Class 4

Ans 3:

Class : Class 3
C

Ans 4:

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 5:

Class : Class 7
Answer is d

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
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.


Ans 3:

Class : Class 3

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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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