National Science Olympiad Forum By SOF Olympiad Trainer - Page 608

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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 6

Ans 4:

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 5:

Class : Class 6
option B

Ans 6:

Class : Class 8
B

Ans 7:

Class : Class 10

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
A

Ans 2:

Class : Class 9
The answer is [A]

Ans 3:

Class : Class 4
Why not D

Ans 4:

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

Ans 5:

Class : Class 5
aaa aaa aaa

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
all are correct

Ans 2:

Class : Class 3
D

Ans 3:

Class : Class 8
Answer is D

Ans 4:

Class : Class 6
ans is also D

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
C Metal reacts with acids

Ans 2:

Class : Class 7
Answer is C as metal react with acid to form salt and hydrogen both

Ans 3:

Class : Class 7
C Metal reacts with acids

Ans 4:

Class : Class 7
answer is C

Ans 5:

Class : Class 7

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
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 : Class 3
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

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Subject :NSO    Class : Class 10

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
wierdo

Ans 2:

Class : Class 7

Ans 3:

Class : Class 4
A is the correct answer

Ans 4:

Class : Class 2

Ans 5:

Class : Class 6
A)COLDER ,WARMER

Ans 6:

Class : Class 8

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Ans 7:

Class : Class 8

Ans 8:

Class : Class 5
A is correct answer!.

Ans 9:

Class : Class 4
ans is d

Ans 10:

Class : Class 4

Ans 11:

Class : Class 4
the correct answer is a

Ans 12:

Class : Class 3

Ans 13:

Class : Class 7
A) Colder, Warmer

Ans 14:

Class : Class 5
a

Ans 15:

Class : Class 2

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Subject :NSO    Class : Class 7

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