Question

The inner cell wall in spirogyra is made up of ________

• A. Pectin
• B. Cellulose
• C. Chitin
• D. Lipids

Answer 1

Answer:

B. Cellulose

Spirogyra contains two cellular layers. The outer cellular layer is made of Pectin. The inner cellular in spirogyra is made up of Cellulose. This double cellular layered structure helps them to withstand osmotic pressure.