Which of the following is correct about cockroach?

Options

A. Sexual dimorphism is distinct
B. The anal styles and present on `9^(th)` sternite of male only
C. In both sexes the `10^(th)` segment bears a pair of jointed filamentous structures called anal cerci
D. All

Answer

D

Explanation

In cockroach male and female are morphologically distinct. In male is bear a pair of short, thread-like oral style which is absent in females. In both sexes, 10th segment bears a pair of a foisted filamentous structure called anal cerci.