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Question

Which one of these is not a characteristic feature of sponges?


A

Cellular level of organisation

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B

Presence of ostia

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C

Body supported externally by cuticle

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D

Intracellular digestion

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Solution

The correct option is C

Body supported externally by cuticle


In sponges, the body is supported by spicules made of calcium or silica or proteinaceous spongin fibres, but not cuticle.


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