The following two question consists of two statements Assertion (A) and Reason (R) answer these questions by choosing the relevant selection from the list below. (a) Both A and R are true and R is the correct explanation for A (b) Both A and R are true and R is not the correct explanation for A (c) A is true but R is false (d) A is false but R is true

Q1 ASSERTION (A): a nerve impulse is an electrochemical event.

REASON(R): In a nerve impulse there are changes in the resting potential which spread down the nerve fibre.

Ans :-

(a) R is the correct explanation for A, and both A and R are true.

ASSERTION (A): Insulin regulates blood sugar level.

REASON(R): insufficient secretion of insulin will cause diabetes.

Ans:-

( b) Both A and R are true and R is the correct explanation for A