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Standard XII
Biology
Phylum Porifera
In sponges, t...
Question
In sponges, the skeleton is made up of
A
Spicules
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B
Spongin fibres.
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C
Pellicle
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D
Both (A) and (B)
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Solution
The correct option is
D
Both (A) and (B)
The skeleton is made up of Calcareous spicules & fibres.
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Assertion :The skeleton of sponges is made up of spicules. Reason: The composition of spicules helps in the classification of sponges.
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