National Science Olympiad Forum By SOF Olympiad Trainer - Page 249

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 2
Penguins cannot fly but are good swimmers.Penguins live in cold places and make a nest using stones and pebbles.

Ans 2:

Class : Class 1
A

Ans 3:

Class : Class 6
A

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

Vijay performed an experiment to compare the heat conductivity of four different materials P, Q, R and S. Thumbtacks were fixed with wax on each material and then the materials were fixed to a trough containing hot water as shown in the diagram.

Vijay tabulated his results as shown here.

What can be inferred from his experiment?

A Material R is a better conductor of heat than material S.
B Material S is a better conductor of heat than material R.
C Material Q is a better conductor of heat than material P.
D Materials P, Q, R and S are equally good conductors of heat.


ans is a

Ans 1:

Class : Class 5
ans is a

Ans 2:

Class : Class 7
A

Ans 3:

Class : Class 5
Answer is A, I think

Ans 4:

Class : Class 5

Ans 5:

Class : Class 5
Class : Class 8
my kids some people get confused but correct is A

Ans 7:

Class : Class 5
A

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
aaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Ans 2:

Class : Class 5
o meri chandni

Ans 3:

Class : Class 5
ans is abecause an aluminium conducts electricity well

Ans 4:

Class : Class 8
Answer is A as aluminium is a conducter, i.e. it conducts electricity and heat well.

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Subject :NSO    Class : Class 7

The given box shows some adaptations shown by different animals. Which of the following options correctly classifies these adaptations in accordance to desert region and polar region?


--------Desert region--Polar region
A(i)----------------(ii), (iii), (iv)
B(i), (iv)----------------(ii), (iii)
C(i), (iii), (iv)----------(ii)
D(ii), (iii)----------------(i), (iv)


This is definitely wrong. Animals of the desert region (mainly camel) produce less urine so that they don’t dehydrate themselves. How is the answer option C.????

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 10

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
A is correct in google

Ans 2:

Class : Class 5
Answer d is correct as 27th November is New moon and moon changes its phase in every three days .calculate till 4th November you will see then the answer will be half moon or first quarter and then again if you calculate till 11th November the answer will be full moon then answer d is correct

Ans 3:

Class : Class 9
option A is right answer

Ans 4:

Class : Class 4

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