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In case of poriferans the spongocoel is lined with flagellated cells called

In case of poriferans, the spongocoel is lined with flagellated cells called as

Options

(a) Mesenchymal cells
(b) Ostia
(c) Oscula
(d) Choanocytes

Correct Answer:

Choanocytes

Explanation:

Choanocytes (collar cells) form the lining of spongocoel in poriferans (sponges). Flagella in collar cells provide circulation to water in water canal system.

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