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NTA Abhyas NEET2020BotanyBiological ClassificationPractice

The cell wall of the diatom is made up of:

Options

  1. ACaCO 3
  2. BSilica
  3. CMagnesium carbonate
  4. DCalcium phosphate

Correct answer

B. Silica

Step-by-step solution

Cell wall of diatom is deposited with silica. After the death of diatoms, cell wall is resistant to decomposition, piles up at the floor of water body and forms diatomaceous earth.

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