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External fertilization with indirect development is seen in
(a)Ascaris
(b)Leech
(c)Ctenoplana
(d)Cockroach

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Important Questions on Animal Kingdom
MEDIUM
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Cnidarians and ctenophores share common characteristics such as

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Incomplete digestive tract is found in

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Rostellum and hooks are absent in:

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Which of the following causes hydatid cyst in the liver of humans?

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Mostly hermaphrodite animals are present in

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Flame cells of flatworms are used for:

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Which of the following is a triploblastic acoelomate phylum?

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Number and arrangement of hooks in the rostellum of Taenia solium are
