Animal Kingdom Question 1017
Question: The middle layer in body wall of porifera is [AIIMS 1999]
Options:
A) Mesoderm
B) Mesenchyme
C) Mesogloea
D) Mesentery
Show Answer
Answer:
Correct Answer: B
Solution:
In porifera, bodywall is with outer pinacoderm (ectoderm), inner choanoderm (endoderm) and gelatinous noncellular mesenchyme in between.