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Question

Digestion of food in the sponge Leucosolenia occurs in

A
Spongocoel
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B
Choanocytes followed by amoebocytes
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C
Amoebocytes
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D
Choanocytes
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Solution

The correct option is B Choanocytes followed by amoebocytes
Leucosolenia has water canal system and body surface has thousands of tiny pores. The food particles enters the body with the flow of water through tiny pores .Food particles which comprises of planktons are ingested into the choanocytes and passed directly into underlying amoebocytes. After digestion, wastes are excreted water through a large opening called osculum.
So, the correct answer is option B.

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