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Subject :NSO    Class : Class 5

Refer to the given figure and select the correct statement.


A When muscles P and Q relax, arm moves down.
B When muscles P and Q contract, arm moves up.
C When muscle P contracts and muscle Q relaxes, the arm moves up.
D When muscle P relaxes and muscle Q contracts, the arm moves up.


Ans 1:

Class : Class 5
if they contract it moves up and if they relax then arm moves down so both are correct right?

Ans 2:

Class : Class 5
option D is correct

Ans 3:

Class : Class 5
p and q are the same muscles.

Ans 4:

Class : Class 5

Ans 5:

Class : Class 6
why

Ans 6:

Class : Class 5
i dont understand

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