Assertion (A): The members of phylum Coelenterata are called Cnidarians . Reason (R): The cnidoblasts or cnidocytes (which contain the stinging capsules or nematocytes) present on the tentacles and the body of Coelenterata Regarding (A) and (R) :

Question

( a ) A is incorrect but R is correct
( b ) A is correct but R is incorrect
( c ) Both A and R are correct but R is not the correct explanation for A
( d ) Both A and R are correct & R is the correct explanation for A