National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

Ans 2:

Class : Class 6
Yes , the correct answer is B .

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Subject :NSO    Class : Class 6

Refer to the given paragraph.
The two main types of root are X and Y. X roots are mostly found in plants having leaves with reticulate venation, while Y roots are mostly found in plants having leaves with parallel venation.
Select the incorrect statement regarding X and Y.

A Radish, turnip and carrot are modifications of X.
B X is found in gram while Y is found in barley.
C X spreads horizontally hence cannot provide strong anchorage whereas Y penetrates very deep into the soil hence provides strong anchorage.
D In Y, primary root is short-lived while X has persistent primary root.


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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 10
C- It must remain constant through out.

Ans 2:

Class : Class 9
C-It remains constant throughout.

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
The answer is A

Ans 2: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

Ans 2:

Class : Class 6
The correct answer is D because Lungs are in Respiratory system but rest are in Nervous system. So, answer D is correct .

Ans 3:

Class : Class 3
Lungs is the right answer

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
c because of gravity 1 will fall. imbalance and so other will also fall

Ans 2:

Class : Class 7
Both of them will fall because box II will come down due to gravity and box I will become heavier

Ans 3:

Class : Class 7
Both blocks will fall because there will be nothing to hold them.It is like a sea-saw balanced in the middle.If one person gets up,the other will go down.

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Subject :NSO    Class : Class 7

Kanav took two test tubes marked as I and II. In test tube I, he put calcium carbonate and hydrochloric acid while in test tube II, he put zinc granules and hydrochloric acid. He passed the gas coming out from both the test tubes in lime water. What would be his observation?


A The gas coming out from test tube I turned lime water milky.
B The gas coming out from test tube II turned lime water milky.
C The gases coming out from both the test tubes turned lime water milky.
D None of these.


it could have been simpler

Ans 1:

Class : Class 8
If it could have been simpler, then you don't have to study for these Olympiads as its too difficult. And I don't think it is very difficult and the option is (A) i think.

Ans 2:

Class : Class 7

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Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
Answer is B don't look for more information ans is hidden in question with less information also

Ans 2:

Class : Class 8
option b is the answer

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