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Question

In sponges the food is stored in

A
Trophocytes
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B
Desmocytes
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C
Archaeocytes
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D
Thesocytes
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Solution

The correct option is C Thesocytes
Gemmule is comprised of thesocytes surrounded by a collagen and spicule coat. The thesocytes from freshwater sponges are usually binucleate and are packed with yolk platelets and lipid inclusions along with numerous ribosomes, endoplasmic reticulum, mitochondria and Golgi. The yolk platelets provide energy reserves in the form of the basic proteins and glycoproteins.
Trophocytes are present in insects.
Desmocytes function to support the soft coenosarc within the rigid tube of perisarc.
Archaeocytes are amoeboid cells, found in sponges and are totipotent.
So, the correct answer is option D.

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