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Question

The posterior end of male roundworm (Ascaris) is:

A
Straight
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B
Thickened
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C
Circular
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D
Curved
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Solution

The correct option is D Curved
In roundworms (Ascaris), male and female worms can be differentiated on the basis of morphology. The female is larger in size and has a straight tail (posterior end) while males are smaller and have a curved/coiled tail.
Thus, the correct answer is option D.

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