Assertion (A) Group of genera which are closely related is called family.Reason (R) Blattidae is a family which contain pigeons and doves having different genera and species.

• A. A and R both are true and R is a correct explanation of A
• B. A and R both are true and R is not a correct explanation of A
• C. A is true and R is wrong
• D. A is wrong and R is true