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Question

Biology Question on human health and disease

Female Ascaris differs from male in having

A

curved posterior end

B

straight posterior end

C

one pair pineal setae

D

cloaca

Answer

straight posterior end

Explanation

Solution

Posterior end of female Ascaris is straight. It is larger than male. Spicules (pineal setae) are absent in female, but in male two equal chitinous spicules (pineal setae) are present.