National Science Olympiad Forum By SOF Olympiad Trainer - Page 371

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
i think it is option A.

Ans 2:

Class : Class 7
i think it is option A.

Ans 3:

Class : Class 1

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Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1

D

 

In the given figure P is flower, Q is fruit, R is leaf, S is stem and T is root. In cabbage, leaves are modified to store food. Fruit is not always edible in all plants. In some plants, other parts such as roots, stems, etc., are edible. In potato, the stem stores food and becomes swollen.


Ans 2:

Class : Class 10

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

D

In the given food chain if the population of frog decreases, then it will lead to an increase in the grasshopper population. As there will be less frogs to feed upon the grasshoppers.


Ans 2:

Class : Class 5
oh yeah , you are right its D

Ans 3:

Class : Class 3

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
hi

Ans 2:

Class : Class 1
March has 31 days

Ans 3:

Class : Class 5

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7

Ans 2:

Class : Class 7

Ans 3:

Class : Class 7
This is because the alternate digits are added by 3 and the rest are added by 1, 2 and so on…

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 10

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1

The correct answer is option C. 


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Subject :NSO    Class : Class 4

Ans 1:

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

Ans 2:

Class : Class 7
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 3: (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 4:

Class : Class 4
CORRECT ANSWER IS D

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