Question

Male and female cockroaches can be distinguished externally by

• A. Anal styles in male
• B. Anal cerci in female
• C. Anal styles and antennae in female
• D. Both B and C

Answer 1

The Correct Option is A

In male cockroach, 9,h sternum bears a pair of short, unjointed thread-like anal styles which are absent in female. Anal cerci and antennae are present in both male and female cockroaches.