NEET UG BIOLOGY MCQ: ANIMAL KINGDOM

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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.

View answer and explanation

Correct option: C

(i), (ii) and (iii)

Option C ((i), (ii) and (iii)) is correct because coelenterates are aquatic, radially symmetrical, have a gastrovascular cavity with a hypostome, and exhibit both extracellular and intracellular digestion.

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