Which of the following pairs are correctly matched?
Animals Morphological features
(i) Crocodile - 4-chambered heart
(ii) Sea urchin - Parapodia
(iii) Obelia - Metagenesis
(iv) Lemur - Thecodont

(ii), (iii) and (iv)

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(i) and (iv)

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(i) and (ii)

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(i), (iii) and (iv)

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Solution

The correct option is B (i), (iii) and (iv)
Parapodia are locomotory structures present in some annelids. Sea urchin belongs to Phylum Echinodermata.
So the correct option is D.

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