Animal Kingdom Question 378

Question: Which of the following statement(s) is/are correct regarding phylum coelenterata?

(i) They are aquatic, mostly marine, sessile or free- swimming, radially symmetrical animals. (ii) They have a central gastro-vascular cavity with a single opening called hypostome. (iii) Digestion is extracellular and intracellular. (iv) Examples are Sycon, Spongilla and Euspongia.

Options:

A) (i) and (ii)

B) (i) and (iv)

C) (i), (ii) and (iii)

D) All of these

Show Answer

Answer:

Correct Answer: C

Solution:

[c] Sycon, Spongilla and Euspongia are examples of phylum porifera.

Physalia, Adamsia, Pennatula, Gorgonia and Meandrina are examples of phylum coelenterata (cnidaria).