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JIPMER 2005
Exam
JIPMER
Year
2005
Subject
Botany
Chapter
Animal Kingdom

JIPMER 2005 · Botany · Animal Kingdom

Which cells are found only in sponges?

Which cells are found only in sponges?

Options

  1. AAmoeboid cells
  2. BChoanocytes
  3. CPigment cells
  4. DGland cells

Correct answer

B. Choanocytes

Step-by-step solution

Choanocytes are found only in sponges. The choanocyte is an ovoid cell with free ends bearing a transparent contractile collar. The collar surrounds a single, long flagellum. Choanocytes are used in feeding and for ensuring flow of water within the animal's body.
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