Question

A - Nerve fibre can become excited through touch, smell, pressure and chemical change and there is a change in polarity.
R - It is called active potential.

a) A and R both are correct and A is correct explanation of R

b) A and R both are correct but A is not correct explanation of R

c) A is correct and R is wrong

d) A is wrong and R is correct​

Answer 1

reason is corrected if active potential is replaced by action potential