Classes of Animals MCQs with Answers

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The egg type in Amphioxus is Microlecithal.

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Teredo, also known as shipworm, belongs to class Pelecypoda (also called Bivalvia).

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Sponges (Phylum Porifera) are the only multicellular animals that lack true tissues and organ-level organization.

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Sea anemone is called a flower animal because its colourful, petal-like tentacles resemble a blooming flower.

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Lampreys belong to the vertebrate class Cyclostomata, which includes jawless fish with a circular mouth.

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The body shape of a typical fish is fusiform (spindle-shaped), which is tapered at both ends and wider in the middle.

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The animal class adapted to live both in water and on land is Amphibian.

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The Blue Whale is recognized as the world's largest mammal, reaching lengths of up to 100 feet and weighing as much as 200 tons.

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Frog respires through its skin, along with lungs and the lining of its mouth.

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Shark belongs to class Chondrichthyes, which includes cartilaginous fishes.