National Science Olympiad Forum By SOF Olympiad Trainer - Page 636

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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 9
The question has some error......Can anyone find it and declare? Please!!!!

Ans 2:

Class : Class 9
R-magnesium

Ans 3:

Class : Class 9
What is spasms????

Ans 4:

Class : Class 6
ummm intestine?

Ans 5:

Class : Class 5
answer is (d)

Ans 6:

Class : Class 9
Umm, SOF..... No, this time nothing is wrong in this question (bcz almost all times I post for wrong question ;P) but could you explain this a little better in the solution?

Ans 7:

Class : Class 6
Q is Vitamin D.

Ans 8:

Class : Class 9
P-vit a ,Q- vit d

Ans 9:

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

Ans 10:

Class : Class 9

Ans 11:

Class : Class 8

Ans 12:

Class : Class 10

Ans 13:

Class : Class 7
Can someone please tell me what are the nutrients?

Ans 14:

Class : Class 9
S-vitamin K

Ans 15:

Class : Class 7
because P is vitamin a and i think S is vitamin k

Ans 16:

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

Ans 17:

Class : Class 6
what is L?

Ans 18:

Class : Class 6

Ans 19:

Class : Class 6
Question is not complete...

Ans 20:

Class : Class 8
P- Vitamin AQ- Vitamin DR- IDKS- Vitamin K

Ans 21:

Class : Class 6
oh vitamin A

Ans 22:

Class : Class 7

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

Ans 3:

Class : Class 10
answer is 3 /4th

Ans 4:

Class : Class 10
3/4th

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7

Ans 2:

Class : Class 9

Ans 3:

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 4:

Class : Class 6
D is answer

Ans 5:

Class : Class 6
b

Ans 6:

Class : Class 7
d

Ans 7:

Class : Class 6
B

Ans 8:

Class : Class 7
D SHOULD BE THE ANWSER

Ans 9:

Class : Class 4
WHY (B) it should be (A)ok!!GIVE EXPAINATION!!!!!!!!!PLS

Ans 10:

Class : Class 6
b

Ans 11:

Class : Class 4
D-Foxes eat deers so 1,2 AND 3 Hence correct answer is D

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 3

Ans 2:

Class : Class 10
Option A says involuntary muscles are controlled by brain. It is correct as medulla controls all our involuntary actions. Option B and C are correct as the cardiac muscles are also called as smooth muscles, so statement d is incorrect as the muscles present in our arms and legs are called skeletal or voluntary muscles

Ans 3:

Class : Class 4
d

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
b is the correct answer.

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