Select the correct option with respect to cockroaches.
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a
Antennae of cockroach have photoreceptors that help in monitoring the environment.
b
In males, genital pouch is bounded dorsally by 8th and 9th terga and ventrally by the 9thsternum.
c
In males, genital pouch contains anus, genital pore and collaterial glands.
d
Tegmina of cockroach are opaque, dark and leathery.
answer is D.
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Detailed Solution
Tegmina of cockroach are opaque, dark and leathery they do not help in flight.Photoreceptors are located in eye of cockroach. In males genital pouch is bounded dorsally by 9thand 10thterga and ventrally by 9thsternum. Colleterial glands are present in female cockroach.