Assertion : Sexual reproduction in algae involves isogamy, anisogamy and oogamy.
Reason : Sex organs are non-jacketed and one celled called gametangia.
(a) If both A and R are true and R is the correct explanation of A
(b) If both A and R are true but R is not the correct explanation of A
(c) If A is true but R is false
(d) If both A and R are false