Question

Which of the following structure is/are not present in the male genital part of a cockroach?
(i) Ejaculatory duct (ii) Vasa differentia (iii) Seminal vesicle (iv)Vestibulum (v) Phallomere

• A. i, ii, iii, iv, v
• B. i, iii only
• C. Only iv
• D. i, iii, iv, v

Answer 1

Answer: (C)

The male reproductive system of cockroach consists of a pair of testes, vasa deferentia, ejaculatory duct, phallic duct and external genitalia. The genital pouch of female cockroach is made up of two parts. The anterior small part and posterior large part. Anterior part is known as genital chamber and posterior part is known as oothecal chamber or vestibulum.