Animal Kingdom Question 997

Question: Sponges are [Bihar MDAT 1989]

Options:

A) Diploblastic

B) Monoblastic

C) Triploblastic

D) Tetrablastic

Show Answer

Answer:

Correct Answer: A

Solution:

Sponges are diploblastic animal.

Body wall is with outer pinacoderm (ectoderm), inner choanoderm (endoderm) and gelatinous noncellular mesenchyma in between.