National Science Olympiad Forum By SOF Olympiad Trainer - Page 686

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 10
First we have to dig the ground. (v) Then we spread sand on the floor of the pit so that the pit remains open for a longer time. (i) Then we can add the waste we planed to throw in the pit. (vi) We have to then cover with grass so that the pit remains closed. (iii) Moisture is required for wastes to decompose. (iv) We can later place red worms, as they are very good decomposers_ to speedthe decomposing proccess

Ans 2:

Class : Class 10
in a much better way First we have to dig the ground. (v)| Then we spread sand on the floor of the pit so that the pit remains open for a longer time. (i)| Then we can add the waste we planed to throw in the pit. (vi) | We have to then cover with grass so that the pit remains closed. (iii) | Moisture is required for wastes to decompose. (iv) | We can later place red worms, as they are very good decomposers_ to speedthe decomposing proccess. (ii)|

Ans 3:

Class : Class 8

Ans 4:

Class :
option B

Ans 5:

Class : Class 10
in a much better way First we have to dig the ground. (v) Then we spread sand on the floor of the pit so that the pit remains open for a longer time. (i) Then we can add the waste we planed to throw in the pit. (vi) We have to then cover with grass so that the pit remains closed. (iii) Moisture is required for wastes to decompose. (iv) We can later place red worms, as they are very good decomposers_ to speedthe decomposing proccess. (ii)

Ans 6:

Class : Class 10

Ans 7:

Class : Class 8
B

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
A) Ball ‘b’ had the greatest impact on the ground.

Ans 2:

Class : Class 7
A

Ans 3:

Class : Class 9
The answer is [A]

Ans 4:

Class : Class 5
aaa aaa aaa

Ans 5:

Class : Class 6
Why not D

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
Answer is D

Ans 2:

Class : Class 6
ans is also D

Ans 3:

Class :
D

Ans 4:

Class : Class 6
all are correct

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Subject :NSO    Class : Class 7

Ans 1:

Class :
Answer is C as metal react with acid to form salt and hydrogen both

Ans 2:

Class : Class 7
answer is C

Ans 3:

Class :
C Metal reacts with acids

Ans 4:

Class :
C Metal reacts with acids

Ans 5:

Class : Class 7

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Subject :NSO    Class : Class 7

Ans 1:

Class :
It started in '1973', NOT in '1927' you have got your reference wrong. The question says 1974 which is a year wrong so I think they made a mistake while preparing the questions.

Ans 2:

Class :
richa is also wrong as chipko movement started in 1927

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 3

Ans 1:

Class :
A

Ans 2:

Class : Class 9

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Subject :NSO    Class : Class 10

Ans 1:

Class :
D

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5

Ans 2:

Class : Class 7

Ans 3:

Class : Class 4
A is the correct answer

Ans 4:

Class : Class 2

Ans 5:

Class : Class 4
ans is d

Ans 6:

Class : Class 2

Ans 7:

Class : Class 7
A) Colder, Warmer

Ans 8:

Class : Class 4
the correct answer is a

Ans 9:

Class : Class 4

Ans 10:

Class : Class 8

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Ans 11:

Class : Class 8

Ans 12:

Class : Class 8
A)COLDER ,WARMER

Ans 13:

Class : Class 5
a

Ans 14:

Class : Class 5
wierdo

Ans 15:

Class : Class 2
A is correct answer!.

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Subject :NSO    Class : Class 7

Ans 1:

Class :
A

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