National Science Olympiad Forum By SOF Olympiad Trainer - Page 38

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
A

Ans 2:

Class : Class 8
A

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
Ashwak mind your words

Ans 2:

Class : Class 9
Every person who says the answer is A , B or D is MAD

Ans 3:

Class : Class 4
sun has no orbit and moon has orbit around the earth so the answer is C .... COMMET

Ans 4:

Class : Class 8

Ans 5:

Class : Class 6
The orbit marked as 'x'is of the sun i.e. option 'B'

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7

Ans 2: (Master Answer)

Class : Class 1

C

Air contains approximately 78% nitrogen, 21% oxygen, 0.9% argon, 0.04% carbon dioxide, and small amounts of other gases.


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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
NA

Ans 2:

Class : Class 4

Ans 3: (Master Answer)

Class : Class 1

B

Human adults have 4(P) types of teeth in their dentition. These are Incisors(Q)Premolars(R)Canines(S) and molars. Incisors(Q) helps in cutting or biting food. There are 4(T) Incisors(Q) in each jaw. Premolars(R) teeth are absent in milk teeth set but there are 8(U) such teeth in permanent teeth set. Canines(S) are four in number and helps in Tearing(V) food.


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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
Answer shud be d

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1

B


Ans 2:

Class : Class 6
Answer b will be the correct answer as mosquito is not a social insect while others are termite is not useful insect and honey bee is a useful insect

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
THE ANSWER C

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
B

Ans 2: (Master Answer)

Class : Class 1

B

Q is an animal that lays eggs and has 4-stages in its life-cycle. Q could be butterfly or mosquito. They lay eggs, and their life-cycle has 4-stages – egg, larva, pupa and adult. The pupa stage is the non-feeding stage.


Ans 3:

Class : Class 5
Admin is correct.I know that!

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1

B

Biodegradable household wastes increase soil fertility.


Ans 2:

Class : Class 4
Sorry, meant why not A

Ans 3:

Class : Class 4
Why not C?

Ans 4:

Class : Class 3
WHY OPTION A NOT?

Ans 5:

Class : Class 7
B

Ans 6:

Class : Class 4
B

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
B

Ans 2:

Class : Class 4

Ans 3: (Master Answer)

Class : Class 1

B

Surface Y is shiny, so it may act like a mirror.


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