Male and female Cockroaches can be distinguished externally through
Anal styles in male
Anal cerci in female
Anal style and antennae in females
Both B and C.
A
Anal styles in male
B
Anal cerci in female
C
Anal style and antennae in females
D
Both B and C.
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Solution
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Anal style is present only in male Cockroaches, It is thin, paired unjointed outgrowth project backwardly from the sides of the 9th sternum of male cockroach.
So the correct answer is ' Anal styles in male'.
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