The cell wall of spirogyra contains:
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. cellulose.
Yes, the cell wall of Spirogyra, a common filamentous green alga, does contain **cellulose**. It's primarily composed of two layers: an inner layer of cellulose, which provides structural support and rigidity, and an outer layer of pectin. This pectin layer is responsible for the characteristic slimy or slippery texture often felt when handling Spirogyra.