National Science Olympiad Forum By SOF Olympiad Trainer - Page 698

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
But in containers i

Ans 2:

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

Ans 3:

Class : Class 7
But in containers I

Ans 4:

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 5:

Class : Class 8

Ans 6:

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 7:

Class : Class 7

Ans 8:

Class : Class 9
copper is non magnetic

Ans 9:

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

Ans 10:

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

Ans 11:

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

Ans 12:

Class : Class 6

Ans 13:

Class : Class 10
IT SHOULD BE A

Ans 14:

Class : Class 9
The question is not clear

Ans 15:

Class : Class 6
C

Ans 16:

Class : Class 8
c

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
ummm intestine?

Ans 2:

Class : Class 7
oh vitamin A

Ans 3:

Class : Class 5
answer is (d)

Ans 4:

Class : Class 9
What is spasms????

Ans 5:

Class : Class 9
R-magnesium

Ans 6:

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

Ans 7:

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

Ans 8:

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

Ans 9:

Class : Class 6

Ans 10:

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 11:

Class : Class 6
Q is Vitamin D.

Ans 12:

Class : Class 9

Ans 13:

Class : Class 9
S-vitamin K

Ans 14:

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

Ans 15:

Class : Class 8

Ans 16:

Class : Class 7
Question is not complete...

Ans 17:

Class : Class 10

Ans 18:

Class : Class 7
question not complete pls fix

Ans 19:

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

Ans 20:

Class : Class 7
what is L?

Ans 21:

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

Ans 22:

Class : Class 7

Ans 23:

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

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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 7

Ans 2:

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

Ans 3:

Class : Class 10

Ans 4:

Class : Class 6
B

Ans 5:

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

Ans 6:

Class : Class 6
b

Ans 7:

Class : Class 8
D is answer

Ans 8:

Class : Class 6
b

Ans 9:

Class : Class 7
d

Ans 10:

Class : Class 8
D SHOULD BE THE ANWSER

Ans 11:

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.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 4
d

Ans 2:

Class : Class 3

Ans 3:

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

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