Algae: Classification and Characteristics · NCERT Biology

The inner and outer layers of the cell wall in Chlorophyceae are composed of ______ and ______ respectively.

  1. Cellulose, Pectin
  2. Pectin, Cellulose
  3. Chitin, Cellulose
  4. Cellulose, Algin
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Correct answer: Cellulose, Pectin

Green algae have a rigid cell wall with a chemical composition similar to land plants. The inner layer consists of cellulose and the outer layer is made of pectose (pectin).

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