National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7
i wrote sieving, what do you think?

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
Read the question carefully...it says which of the following CANNOT be Z...all of them can be Z so ans is none of these

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
To liquify ammonia gas the temperature of the gas is reduced. This results into slowing down of the molecules of ammonia. Hence a change in the speed of the particles takes place.

Ans 2:

Class :
Class:-- Speed Ammonia gas is one of the liquefied by decreasing temperature and increasing pressure.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8
when the switch was open then the current was flowing through the whole circuit. now when it is closed current will not flow through the whole circuit and will take the shortcut because current always chooses the shortest path. so bulb x will not be lit and bulb y will be brighter.

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is a.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 4
answer should be d.

Ans 2:

Class : Class 7
It is A as gravity is pulling the shoot lower though still plant grows upwards against atmospheric pressure .

Ans 3:

Class : Class 7
it should not be A because there is no method shown to see the amount of transpiration, but it shows that even though it is upside down the root grows towards gravity and the shoot grows upwards towards light so it should be B

Ans 4:

Class : Class 7
answer is D

Ans 5:

Class : Class 7
The answer Should be B. It shows plant growing against gravity, towards light. The apparatus does not indicate difference in transpiration.

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Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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