Assertion (A**) :** Amoeba reproduces by fission.
Reason (R**) :** All unicellular organisms reproduce by asexual methods.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and Rare individually true but R is not the correct explanation of A
(c) A is true but R is false (d) Ais false but R is true