Question

Q. 26 Which of the following statement is incorrect regarding phylum Coelenterata/Cnidaria?
1)
They are aquatic, mostly marine, radially symmetrical animals
2)
Digestion is both extracellular and intracellular
3) They have a gastro-vascular cavity with a single opening, on hypostome
4)Examples are Sycon, Spongilla and Euspongia​

Answer 1

Answer:

Option-4 is incorrect.

Explanation:

The Examples of Phylum Cnidaria is Physalia(Portugese man of war), Adamsia(Sea anemone), Pennatula(Sea pen), Gorgonia(Sea-fan), Meandrina(Brain coral).

The examples given in the option 4 are examples of phylum Porifera.

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