Question

Animal with unsegmented, coelomated and radially symmetrical body having distinct oral and aboral surfaces belong to

• A. Annelida
• B. Mollusca
• C. Echinodermata
• D. Porifera
• E. Arthropoda

Answer 1

Answer: (C)

Echinodermata

A) Annelids are segmented, coelomate and bilaterally symmetrical.

B) Molluscans are unsegmented, coelomate and are asymmetrical.

C) Echinoderms are unsegmented, coelomate, radially symmetrical and have distinct oral and aboral surfaces.

D) Poriferans are unsegmented, acoelomate and mostly asymmetrical.

E) Arthropods are segmented, coelomate and bilaterally symmetrical.

So the correct answer is 'Echinodermata'.