Find out the correct option about Coelenterata :

Cnidoblast and bilateral symmetry

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Cnidoblast and radial symmetry

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Choanocytes and water canal system

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All marine and only sexual reproduction

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Solution

The correct option is B Cnidoblast and radial symmetry
Cnidoblasts are unique stinging cells found in coelenterata. Coelenterata shows radial symmetry.
Choanocytes are specialised cells of sponges and coelenterata are mostly marine but also have some fresh water forms. Reproduction maybe either sexual or asexual.

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Similar questions

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(iv) No asexual reproduction
(v) Presence of comb plates

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(b) (i) and (iii)
(c) (ii) and (iv)
(d) (i) and (iv)

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