Animal Kingdom Question 1016
Question: Choanocytes in Ascon-type of canal system form lining of
[CPMT 1998]
Options:
A) Spongocoel
B) Porocyte
C) Apopyle
D) Incurrent canal
Show Answer
Answer:
Correct Answer: A
Solution:
Sponges have four different types of canal system on the basis of complexity.
The Ascon type is the simplest type of canal system in which Ostia is the outer opening porocytes and this porocyte directly opens into the spongocoel.
Spongocoel is lined with the choanocytes.
BETA
