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Biology · ANIMAL KINGDOM

हिन्दी

Which of the following cnidarians possesses a hard skeleton composed predominantly of calcium carbonate \( \text{CaCO}_3 \)?

  1. A
    Aurelia
  2. B
    Physalia
  3. C
    Corals
  4. D
    Hydra
View Answer & Solution

Correct answer · Option C

Corals

Explanation

Some cnidarians, notably corals, have a skeleton composed of calcium carbonate (\( \text{CaCO}_3 \)).

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