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  • Porifera (Class XI)
  • Which of the following sponges belong(s) to class Calcarea?
Multiple choice

Which of the following sponges belong(s) to class Calcarea?

  1. Thenia

  2. Hylonema

  3. Olynthus

  4. Ceratoporella

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Olynthus belongs to class Calcarea.

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