Animal Kingdom Question 43
Question: Choanocytes perform:
Options:
A) Nutrition
B) Excretion is the process by which waste products and excess substances are eliminated from the body.
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 of flagellum. Numbers of which line the internal chambers of sponges of class Porifera.
BETA
