Question

Male cockroach can be distinguished from female cockroach through

• A. Longer antennae
• B. Longer abdomen
• C. Wingless body
• D. All the above

Answer 1

Answer: (B)

Longer abdomen

The abdomen in both males and females consists of 10 segments. In males, genital pouch or chamber lies at the hind end of abdomen bounded dorsally by 9th and 10th terga and ventrally by the 9th sternum. It contains dorsal anus, ventral male genital pore, and gonapophysis. Male Cockroach has longer and narrow abdomen.

So the correct answer is 'Longer abdomen'.