Q. Which of the following combination of phylum and description is incorrect?
A. Echinodermata-bilateral symmetry as larva, coelom present
B. Nematoda-roundworms, pseudocoelomate
C. Platyhelminthes- flatworms, gastrovascular cavity, acoelomate
D. Calcarea-gastrovascular cavity, coelom present
Answer: Calcarea-gastrovascular cavity, coelom present
