Assertion (A) : Induced mutations are widely used in crop improvement. Reasons (R) : Physical and chemical mutagens cause genetic variability in a population and produce only desirable characters.

Question

The correct one is :

(1) Both (A) and (R) are true, and (R) is the correct explanation of (A).

(2) Both (A) and (R) are true, but (R) is not the correct explanation of (A).

(3) (A) is true but (R) is false.

(4) (A) is false but (R) is true.