Ascaris lumbricoides is

Hermaphrodite

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Sexually dimorphic

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Polymorphic

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Sexually undifferentiated

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Solution

The correct option is B Sexually dimorphic
Ascaris lumbricoides is elongated, cylindrical, and tapering at both ends. It is a large-sized nematode showing sexual dimorphism, i.e., sexes are separate. In females Ascaris, there is the genital pore or vulva; males do not have a separate genital pore.

So, the correct answer is 'Sexually dimorphic'.

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