National Science Olympiad Forum By SOF Olympiad Trainer - Page 267

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

A

Z is lungs, Y is heart and X are all body parts.


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Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1

C

Wool is an animal fibre while flax, coir and sisal are plant fibres. Cotton fibre is obtained from seeds of cotton plant while jute, flax and hemp fibres are obtained from stems of plants. Polyester, nylon and acrylic are man-made or synthetic fibres while silk is natural fibre. Coir is plant fibre while shahtoosh, wool and silk are animal fibres.


Ans 2:

Class : Class 6
Thx

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 8
Answer B

Ans 2:

Class : Class 5

Ans 3:

Class : Class 7

Ans 4:

Class : Class 5

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

B

Foods that give us energy to work and play are carbohydrates, like rice. Foods that make our bones and muscles strong are proteins, like cottage cheese. Foods that protect us from falling ill are protective foods (vitamins and minerals), like apple.


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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
Right answer is 0

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class :
B

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
Answer is option c

Ans 2:

Class : Class 8
The answer is C

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Answer is A.because it is nitrogen and used in fertilizer.In nitrogen fixation the nitrogen gas is used to produce protien.

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

A


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