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Which of the following structures of cockroach is not a correct match?

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Left phallomere – gonapophysis of male that bears pseudopenis

Spermatheca – open into genital chamber of female

Vestibulum – posterior part of genital pouch in females

Right phallomere – gonapophysis of male that bears titillator

answer is A.

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Detailed Solution

In male cockroach, the titillator is a part of left phallomere. The left phallomere has opening of phallic duct, pseudopenis and titillator. The phallomeres of male cockroach aid in copulation.

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