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Question

Which of the following animals takes food from outside, but has no alimentary canal?

A
Leech
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B
Liver Fluke
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C
Ascaris
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D
Taenia
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Solution

The correct option is B Taenia
The alimentary canal is absent in Taenia solium. Hence, its mode of nutrition is saprozoic, i.e, it absorbs digested liquid food from the intestine of the host through its general body surface.
So, option D is correct.

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