Animal Kingdom Question 804
Question: Which one occurs in mollouscs but not in echinoderms [AFMC 2001]
Options:
A) Flame cells
B) Malpighian tubules
C) Kidney
D) None of the above
Show Answer
Answer:
Correct Answer: C
Solution:
In mollusca, excretion occurs through paired sac like kidneys (or metanephridia) but in echinodermata kidneys are absent and excretion occurs partly by diffusion through body surface and partly by amoeboid coelomocytes.
BETA
