Q- State difference in cell wall of parenchymal, collenchymal and sclerenchymal cells.
Answer- The main difference between cell walls of parenchymal, collenchymal and sclerenchymal cells are as follows:
1. Cell wall of parenchymal cells are formed of cellulose.
2. Cell wall of collenchymal cells are formed of pectin.
3. Cell wall of sclerenchymal cells are formed of lignin.