National Science Olympiad Forum By SOF Olympiad Trainer - Page 718

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Subject :NSO    Class : Class 6

Ans 1:

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

Ans 2:

Class : Class 8

Ans 3:

Class : Class 10
IT SHOULD BE A

Ans 4:

Class : Class 7
But in containers I

Ans 5:

Class : Class 9
copper is non magnetic

Ans 6:

Class : Class 9
The question is not clear

Ans 7:

Class : Class 6
C

Ans 8:

Class : Class 8
c

Ans 9:

Class : Class 9
But...Iron, nickel and copper r magnetic, and both steel and aluminium r non-magnetic. Then why option A is correct ans???

Ans 10:

Class : Class 7
But in containers i

Ans 11:

Class : Class 6

Ans 12:

Class : Class 9
Yes the answer is C as iron nail , nickle and steel are magnetic

Ans 13:

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

Ans 14:

Class : Class 9
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)

Ans 15:

Class : Class 7

Ans 16:

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

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Subject :NSO    Class : Class 6

Ans 1:

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

Ans 2:

Class : Class 6
Q is Vitamin D.

Ans 3:

Class : Class 6
ummm intestine?

Ans 4:

Class : Class 7
Question is not complete...

Ans 5:

Class : Class 10

Ans 6:

Class : Class 9
S-vitamin K

Ans 7:

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

Ans 8:

Class : Class 7

Ans 9:

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

Ans 10:

Class : Class 9

Ans 11:

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

Ans 12:

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

Ans 13:

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

Ans 14:

Class : Class 9
What is spasms????

Ans 15:

Class : Class 5
answer is (d)

Ans 16:

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 17:

Class : Class 7
question not complete pls fix

Ans 18:

Class : Class 9
R-magnesium

Ans 19:

Class : Class 7
oh vitamin A

Ans 20:

Class : Class 6

Ans 21:

Class : Class 8

Ans 22:

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

Ans 23:

Class : Class 7
what is L?

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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 10
answer is 3 /4th

Ans 2:

Class : Class 10
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 6
It will A because earth got 75% of water and it is 3/4 of it.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 10

Ans 2:

Class : Class 7
d

Ans 3:

Class : Class 6
b

Ans 4:

Class : Class 8
D SHOULD BE THE ANWSER

Ans 5:

Class : Class 8
D is answer

Ans 6:

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

Ans 7:

Class : Class 4
dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd

Ans 8:

Class : Class 6
b

Ans 9:

Class : Class 6
B

Ans 10:

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 11:

Class : Class 7

Ans 12:

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 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 2:

Class : Class 3

Ans 3:

Class : Class 4
d

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