National Science Olympiad Forum By SOF Olympiad Trainer - Page 360

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
The Correct Answer is d

Ans 2:

Class : Class 8
the volume of water will increase when we add sugar in it...the correct answer should be c

Ans 3:

Class : Class 7

Ans 4:

Class : Class 9

Ans 5:

Class : Class 3
master answer

Ans 6:

Class : Class 4
The correct answer is D

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1

C

We observe that in the 2nd bottle, water has frozen and overflowed over the rim of the bottle. This means that volume of water increases when it freezes. So. it has expanded beyond the rim of the bottle.


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Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1

D

Dispersal of seed is carried out by wind, water, animals and by explosion. From the given figure it can be inferred that seeds of plants X are dispersed through explosion, e.g., Balsam and pea. Seeds of plant Y are dispersed by wind, e.g., Dandelion and Hiptage while seeds of plant Z are dispersed by animal, e.g., Xanthium, Urena.


Ans 2:

Class : Class 6
Dispersal of seed is carried out by wind, water, animals and by explosion. From the given figure it can be inferred that seeds of plants X are dispersed through explosion, e.g., balsam and pea. Seeds of plant Y are dispersed by wind, e.g., dandelion and Hiptage while seeds of plant Z are dispersed by animal, e.g., Xanthium, Urena.

Ans 3:

Class : Class 9
thans for explaining

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5
m

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 8
Both A and B is correct.

Ans 2:

Class : Class 8
Answer is B

Ans 3:

Class : Class 8
Only B is the answer because in picture A it show that K eats N which is not possible.

Ans 4:

Class : Class 9
both A and B is correcty

Ans 5:

Class : Class 9
both A and B is correcty

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Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1

B

Air contains oxygen, which helps in burning. To extinguish a fire it is necessary to cut off the supply of oxygen (air).


Ans 2:

Class : Class 9
why does SOF developers say their answer master answer

Ans 3:

Class : Class 7
master answer is wrong it is (A)

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Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1

A


Ans 2:

Class : Class 7
A

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
A

Ans 2:

Class : Class 9
The correct answer is option A not any other option.

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