National Science Olympiad Forum By SOF Olympiad Trainer - Page 360

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 2

Ans 2: (Master Answer)

Class : Class 1

C

P reproduces by spores and makes its own food, so P could be fern.Q makes its own food but does not reproduce by spores, so Q could be banyan tree or neem tree.


Ans 3:

Class : Class 7

Ans 4:

Class : Class 2

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 9

Ans 2:

Class : Class 7
answer is A

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
The Correct Answer is d

Ans 2:

Class : Class 4
The correct answer is D

Ans 3:

Class : Class 9

Ans 4:

Class : Class 3
master answer

Ans 5:

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

Ans 6:

Class : Class 8

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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:

Class : Class 9
thans for explaining

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: (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.


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

Ans 2:

Class : Class 8
Answer is B

Ans 3:

Class : Class 9
both A and B is correcty

Ans 4:

Class : Class 8
Both A and B is correct.

Ans 5:

Class : Class 9
both A and B is correcty

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Subject :NSO    Class : Class 5

Ans 1:

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

Ans 2: (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 3:

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

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