Animal Kingdom Question 227
Question: In Hydra, egestion of undigested food and excretion of nitrogenous wastes occur through [CBSE PMT 2001]
Options:
A) Mouth and tentacles
B) Mouth and body wall
C) Mouth and mouth
D) Body wall and body wall
Show Answer
Answer:
Correct Answer: B
Solution:
In Hydra, undigested residues are egested from coelenteron through mouth and body wall.
BETA
