2023 Structural Organisation in AnimalsCockroach – Morphology Easy Question 1 of 3 in Cockroach – Morphology

Which of the following is characteristic feature of cockroach regarding sexual dimorphism?

A Presence of anal cerci
B Dark brown body colour and anal cerci
C Presence of anal styles
D Presence of sclerites

The answer is C.

Solution

Anal styles are present only in the male cockroach.

Anal styles are paired, short, unjointed structure present only in male and help in sexual dimorphism.

Concept sexual dimorphism in cockroach

Cockroach – Morphology in past papers

3 questions from this chapter have appeared across 3 exam years.