National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
universe is made of many galaxies .

Ans 2:

Class : Class 6
universe is made of many galaxies .

Ans 3:

Class : Class 6
Universe is huge vast open space.. It contains galaxies, solar systems and celestial bodies etc.. No, one can say how universe begin .

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
Liquid oxygen is impure so ans is B

Ans 2:

Class : Class 7
B

Ans 3:

Class : Class 7
B

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :NSO    Class : Class 5

X is a plant whose seeds are dispersed by wind whereas Y is a plant whose seeds are dispersed by animals. Which of the following holds true regarding plants X and Y?

AThe seeds of plant X may have either wings or hair like structures.
BThe fruits of plant Y may or may not be edible.
CThe seeds of plant X are dispersed in a small radius around parent plant whereas seeds of plant Y are dispersed to very far off places.
DBoth A and B


Ans 1:

Class : Class 7
It should be opt. D

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
the answer is d (all of these) as the mosquitis will increase with time the non - biodegradable will be be constent the biodegraedable wate will decrease as the misquotes will eat it

Ans 2:

Class : Class 4
the answer can be both A and B i'm not sure

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
Ans is D because we get QUARTZITE, OBSIDIAN, GRANITE and CONGLOMERATE, respectively, when we cut off alternate letters starting from the first letter. QUARTZITE is a metamorphic rock, OBSIDIAN and GRANITE are igneous rocks and CONGLOMERATE is a sedimentary rock.

Ans 2:

Class : Class 5

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Subject :NSO    Class : Class 5

The diagram shows three people taking a ride at a fair as shown here. As the boat swings back and forth, which of the following statement(s) is/are true about the three persons, X, Y, and Z ?

(i) X experiences the most potential energy when the boat swings left.
(ii) Z experiences the most potential energy when the boat swings right.
(iii) Y experiences the most potential energy as the boat passes the rest position during swinging.

A(i) only
B(ii) only
C(i) and (ii) only
D(i), (ii) and (iii)


can somebody give me the explanations ?

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Subject :NSO    Class : Class 9

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