National Science Olympiad Forum By SOF Olympiad Trainer - Page 368

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 4

Ans 1: (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 2:

Class : Class 2

Ans 3:

Class : Class 2

Ans 4:

Class : Class 7

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

Ans 2:

Class : Class 3
master answer

Ans 3:

Class : Class 8

Ans 4:

Class : Class 6
The Correct Answer is d

Ans 5:

Class : Class 9

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:

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 9
both A and B is correcty

Ans 2:

Class : Class 8
Answer is B

Ans 3:

Class : Class 8
Both A and B is correct.

Ans 4:

Class : Class 9
both A and B is correcty

Ans 5:

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

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