National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
IT SHOULD BE A

Ans 2:

Class : Class 6
c

Ans 3:

Class : Class 7
But in containers i

Ans 4:

Class : Class 7
But in containers I

Ans 5:

Class : Class 7
Yes the answer is C as iron nail , nickle and steel are magnetic

Ans 6:

Class : Class 6
But...Iron, nickel and copper r magnetic, and both steel and aluminium r non-magnetic. Then why option A is correct ans???

Ans 7:

Class : Class 6
No, the answer is A as both steel and nickel are magnetic .

Ans 8:

Class : Class 6
copper is non magnetic

Ans 9:

Class : Class 6
the answer will be C as 3 option is non-magnetic

Ans 10:

Class : Class 6

Ans 11:

Class : Class 6
C

Ans 12:

Class : Class 7

Ans 13:

Class : Class 6
answer is c nickel coin is also a magnetic substance but steel is a non magnetic substance

Ans 14:

Class : Class 8
In the first and second option, the magnetic materials are iron nail and steel nail respectively. In the third option all are non magnetic. In fourth option, both are magnetic materials. Therefore Ans:- A (i) and (ii)

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Subject :NSO    Class : Class 6

Read the following passage carefully.
P helps to maintain strong eyesight and healthy skin. Q is required for normal growth of bones and teeth in children. R is essential for proper functioning of muscles and nerves. S is needed for natural clotting of blood.
Identify P, Q, R and S and select the incorrect statement regarding these.

A Q is produced when the skin is exposed to sunlight.
B R is a mineral, deficiency of which causes spasms, poor digestion, anxiety and sleeplessness.
C Cod liver oil is a good source of both P and S.
D S is synthesised in our body by bacteria present in the gut.


Ans 1:

Class : Class 6

Ans 2:

Class : Class 6
Can someone please tell me what are the nutrients?

Ans 3:

Class : Class 7
gut means intestine and spasms means muscles suddenly contracting involuntarily.

Ans 4:

Class : Class 6

Ans 5:

Class : Class 6

Ans 6:

Class : Class 8

Ans 7:

Class : Class 6
The question has some error......Can anyone find it and declare? Please!!!!

Ans 8:

Class : Class 6
ummm intestine?

Ans 9:

Class : Class 7
what is gut??????

Ans 10:

Class : Class 6
Q is Vitamin D.

Ans 11:

Class : Class 6
What is spasms????

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Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
Melamine resits fire and firefighers also wear their suits made up of melamine.

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
(A) > 12u*60+1u*22=742u i. e. 742* mass of 1u (1.6605x10 to the power - 24) = answer A (approximate value)

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
It will A because earth got 75% of water and it is 3/4 of it.

Ans 2:

Class : Class 6
3/4th

Ans 3:

Class : Class 6
It will A because earth got 75% of water and it is 3/4 of it.

Ans 4:

Class : Class 7
answer is 3 /4th

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
B because in the first statement,if the grass population will decrease,rabbit population will also decrease as the rabbit exclusively feeds on the grass population and wolf exclusively feeds on the rabbit population.In the second statement,if the tiger population will increase,the rabbit population will decrease as the tiger exclusively feeds on the rabbit population and wolf exclusively feeds on the rabbit population.In the third statement,if the deer population will decrease,the wolf population will decrease as wolf feeds on the deer population.In the fourth statement,if the rabbit population will increase,the wolf population will also increase as wolf feeds on the rabbit population.

Ans 2:

Class : Class 4

Ans 3:

Class : Class 6
b

Ans 4:

Class : Class 6
b

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