NEET Solved Paper 2017 Question 16
Question: In case of poriferans the spongocoel is lined with flagellated cells called :
Options:
A) Mesenchymal cells
B) Ostia
C) Oscula
D) Choanocytes
Show Answer
Answer:
Correct Answer: D
Solution:
- Choanocytes (collar cells) form lining of spongocoel in poriferans (sponges). Flagella in collar cells provide circulation to water in water canal system.
