Animal Kingdom Question 43
Question: Choanocytes perform:
Options:
A) Nutrition
B) Excretion
C) Reproduction
D) Secretionofspicules
Show Answer
Answer:
Correct Answer: A
Solution:
[a] Digestion in sponges is intracellular like protozoans.
It takes place in choanocytes Choanocytes (also called collar cells), are flagellated cells with a collar of protoplasm at the base offlagellum, numbers of which line the internal chambers of sponges of class porifera.