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0 votes
2.3k views
in Biology by (54.0k points)
Male and female cockroaches can be distinguished externally through

(a) anal styles in male

(b) anal cerci in female

(c) anal style and antennae in females

(d) Both (b) and (c)

1 Answer

+1 vote
by (65.2k points)
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Best answer

Correct option  (a) anal styles in male

Explanation:

Anal style, a pair of small, spine-like unjointed structures are present on sternite of 9th segment in males only.

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