National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
Due to deficiency of Calcium.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
No, i think it's c

Ans 2:

Class : Class 6
Answer should be C as excess food is wastage.

Ans 3:

Class : Class 8
No, the answer for this is C and D .reason for answer D is excess of food leads to loss of nutrients especially Vitamin C. answer C because it is necessary to preserve pulses, grains otherwise they will rot.

Ans 4:

Class : Class 6
the answer is C

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Correct answer is D

Ans 2:

Class : Class 7

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
xccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

Ans 2:

Class : Class 6
It's all of these not none of these.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
The answer is B!!!

Ans 2:

Class : Class 1
b

Ans 3:

Class : Class 4
B

Ans 4:

Class : Class 4
B

Ans 5:

Class : Class 7
B

Ans 6:

Class : Class 8
i didn't understand the logic

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
the answer is c means dehydration

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 10
D

Ans 2:

Class : Class 9

Ans 3:

Class : Class 9
B

Ans 4:

Class : Class 9
B

Ans 5:

Class : Class 10
B

Ans 6:

Class : Class 10
D

Ans 7:

Class : Class 9
B

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 10

Ans 2:

Class : Class 10
the answer is 'b' .The plant cell does not burst in hypotonic solution because the plant cell wall exerts an equal pressure as exerted by the liquid in the cell.So this prevents it from bursting but after sometimes, the plant cell will burst.

Ans 3:

Class : Class 9
answer is "b"

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
the correct answer is A it is given wrong in the test

Ans 2:

Class : Class 10
the answer should be A. its given wrong in the test

Ans 3:

Class : Class 9
The correct answer is A

Ans 4:

Class : Class 9

Ans 5:

Class : Class 8
The answer is B

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Subject :NSO    Class : Class 8

In the given figure, showing the ultrastructure of a plant cell, identify the parts marked as P and Q and select the correct option regarding these.

(i) Part P helps in osmoregulation.
(ii) Cellular respiration occurs in part Q.
(iii) Synthesis of sugars occurs in part Q.
(iv) Part P provides colour to flowers and fruits.

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


The figure is not clear for the students to identify the organelle

Ans 1:

Class : Class 8
its 'B'- Part P helps in osmoregulation and Synthesis of sugars occurs in part Q

Ans 2:

Class : Class 10

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