Given below are two statements: One is labelled as Assertion-A and the other is labelled as Reason-R

Assertion-A : Regions of active cell division are responsible for the increase in the length of roots and stems

Reason-R : Growth is an irreversible increase in volume or size

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

A

Both A and R are true and R is the correct explanation of A

B

Both A and R are true but R is NOT the correct explanation of A

C

A is true but R is false

D

A is false but R is true