Question

Phallomeres or gonapophyses are chitinous structures which:

• A. Are found only in male cockroaches
• B. Are found only in female cockroaches
• C. Form the external genitalia in male and female cockroaches
• D. Form the egg shell are present in male cockroaches.

Answer 1

The correct option is A Are found only in male cockroaches

Gonapophysis is an organ or process that serves in copulation, oviposition, or stinging of an insect's anal region. In male cockroache gonapophysics, some asymmetric chitinous structures are discovered at the end of the abdomen surrounding the masculine gonopore. These are three phallomers or male gonapophyses that make up the outer genitalia.