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Question

Choanocyte is present in an 'ascon type' of canal system. It lines

A
Porocyte
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B
Incurrent
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C
Apopyle
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D
Spongocoel
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Solution

The correct option is D Spongocoel
Choanocytes are flagellated collar shaped cells lining the cavity of sponges. The beating of their flagella produces water current which helps in the filtering of food particles and, respiratory exchange and removal of wastes. They are cells that line the spongocoel (that is, the central cavity of the sponge).
So, the correct answer is option D.

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