Which of the following features is used to identify a male cockroach from a female cockroach? - Biology MCQ NEET (UG) 2018 2026 | ExamTest.live | ExamTest.live

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Which of the following features is used to identify a male cockroach from a female cockroach?

A $Forewings with darker tegmina$
B $Presence of caudal styles$
C $Presence of a boat shaped sternum on the 9^{th} abdominal segment$
D $Presence of anal cerci$

Solution & Step-by-step Explanation

Male cockroaches possess a pair of short, thread-like anal styles (caudal styles) on the 9^{th} sternite, which are absent in females. Both sexes have anal cerci on the 1 0^{th} segment.

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Which of the following features is used to identify a male cockroach from a female cockroach?

A

Forewings with darker tegmina

B

Presence of caudal styles

C

Presence of a boat shaped sternum on the 9^{th} abdominal segment

D

Presence of anal cerci

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Structural Organisation in Animals Cockroach Morphology

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