National Science Olympiad Forum By SOF Olympiad Trainer - Page 318

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
steel is actually a good conducter and lets ice melt but here in the solution they have given wrong as they have written it as steel in a bad conducter of heat.

Ans 2: (Master Answer)

Class : Class 1

D

Sunita needs a waterproof container to carry water, so X cannot be a cardboard. Pihu needs a sheet to absorb oil,  so Y cannot be plastic as it cannot absorb oil. Rahul needs a box made up of a material that is a bad conductor of heat, so it cannot be steel.
Y can be cotton as it will absorb the oil.


Ans 3:

Class : Class 4
The correct ans is D. :-)

Ans 4:

Class : Class 4
CORRECT ANSWER IS D

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Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1

C


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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
ki

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Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

Class : Class 1

Patau syndrome


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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
c

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 5
Not a meaningful solution

Ans 2:

Class : Class 6
in option C, it says that Z collects pebbles and stones to make its nest. Penguins make their nests using pebbles and stones. Penguins also have webbed feet as they are swimming birds so C is correct

Ans 3:

Class : Class 5
Yes

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1

D

Bedrock is the hard, solid rock beneath surface materials such as soil and gravel. It does not contain humus.


Ans 2: (Master Answer)

Class : Class 1

D

Bedrock is the hard, solid rock beneath surface materials such as soil and gravel. It does not contain humus.


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Subject :NSO    Class : Class 7

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