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Question 13002
NEET Biology · Medium

Animal Kingdom: Porifera MCQ

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PoriferaMediumQuestion 13002

Question

The internal skeleton of many sponges is made of:

  1. A
    Spicules or spongin fibres
    Correct
  2. B
    Chitin plates
  3. C
    Calcareous shell only
  4. D
    Keratin scales

Correct answer

Spicules or spongin fibres

Explanation

Sponges are supported by calcareous or siliceous spicules, or by spongin fibres.

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