National Science Olympiad Forum By SOF Olympiad Trainer - Page 668

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6

Ans 2:

Class : Class 8

Ans 3:

Class : Class 7

Ans 4:

Class : Class 7
But in containers I

Ans 5:

Class : Class 10
IT SHOULD BE A

Ans 6:

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

Ans 7:

Class : Class 9
copper is non magnetic

Ans 8:

Class : Class 7
But in containers i

Ans 9:

Class : Class 8
c

Ans 10:

Class : Class 5
answer is c nickel coin is also a magnetic substance but steel is a non magnetic substance

Ans 11:

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

Ans 12:

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 13:

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

Ans 14:

Class : Class 6
C

Ans 15:

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 16:

Class : Class 9
The question is not clear

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Q is Vitamin D.

Ans 2:

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

Ans 3:

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

Ans 4:

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 5:

Class : Class 6
oh vitamin A

Ans 6:

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

Ans 7:

Class : Class 6
question not complete pls fix

Ans 8:

Class : Class 8

Ans 9:

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

Ans 10:

Class : Class 7

Ans 11:

Class : Class 6
what is L?

Ans 12:

Class : Class 6

Ans 13:

Class : Class 9

Ans 14:

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

Ans 15:

Class : Class 9
What is spasms????

Ans 16:

Class : Class 6
Question is not complete...

Ans 17:

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

Ans 18:

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

Ans 19:

Class : Class 9
S-vitamin K

Ans 20:

Class : Class 10

Ans 21:

Class : Class 6
ummm intestine?

Ans 22:

Class : Class 5
answer is (d)

Ans 23:

Class : Class 9
R-magnesium

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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
This is not spam or marketing, we are at the beginning of the journey and we’re just trying to get some feedback, anything constructive would be appreciated.
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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
3/4th

Ans 4:

Class : Class 10
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 7
D SHOULD BE THE ANWSER

Ans 3:

Class : Class 6
B

Ans 4:

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

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 7

Ans 8:

Class : Class 7
D is answer

Ans 9:

Class : Class 6
b

Ans 10:

Class : Class 9

Ans 11:

Class : Class 7
d

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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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