Subject :NSO Class : Class 7
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.
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Subject :NSO Class : Class 6
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Subject :NSO 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
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Subject :NSO Class : Class 6
Ans 2:
Class : Class 7
It is A as gravity is pulling the shoot lower though still plant grows upwards against atmospheric pressure .
Ans 4:
Class : Class 9
The answer Should be B. It shows plant growing against gravity, towards light. The apparatus does not indicate difference in transpiration.
Ans 5:
Class : Class 8
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
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 8