Which statement regarding anal cerci and anal style in cockroach is correct?
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a
Anal cerci are absent but anal styles are present in male.
b
Anal cerci are absent and anal styles are present in female.
c
Anal styles are absent and anal cerci are present in male.
d
Anal styles are absent and anal cerci are present in female.
answer is D.
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Detailed Solution
In cockroaches, males bear a pair of short, thread like anal styles which are absent in females. In both sexes, the 10th segment bears a pair of jointed filamentous structures called anal cerci.