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Q.

Given below are two statements:

Statement-A: The polarised membrane of nerve fibre becomes more permeable to  when stimulated suitably.

Statement-B: Action potential generates due to efflux of  in a depolarised membrane.

In the light of the above statements, choose the correct answer from the options given below: 

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a

Both statements A & B are correct

b

Statement A is correct but statement B is incorrect

c

Statement A is incorrect but statement B is correct

d

Both statements A & B are incorrect 

answer is B.

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Detailed Solution

The depolarisation is due to influx of Na+ into axoplasm of nerve fibre.

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