Question

differentiate between parentheses collenchyma and sclerenchyma on the basis of their cell wall

Answer 1

The cell wall is thin and is made up of cellulose. The cell wall is thick due to deposition of lignin. The cell wall is thick at the corners due to deposition of pectin.

By Raunac

Answer 2

parenchyma:
The cells of parenchyma have thin walls made of cellulose.

Collenchyma:
The cells of this tissue have cell walls thickened at the corners due pectin deposition.

sclerenchyma:
The walls of sclerenchymatous cells are thickend due to lignin deposition.