Question

Differentiate between parenchyma, collenchyma, and sclerenchyma, on the basis of their cell wall.

Answer 1

$\begin{array}{ccc}\text{Parenchyma}& \text{Collenchyma}& \text{Schelerenchyma}\\ \text{Cell wall is relatively thin, and the cells in}& \text{The cell wall is irregularly thickened at the corners, and}& \text{The cell wall is uniformly thickened,}\\ \text{parenchyma tissues are loosely packed.}& \text{there is very little space between the cells.}& \text{and there is no intercellular space.}\\ \text{The cell wall in this tissue is made up of cellulose.}& \text{Pectin and hemicellulose are the}& \text{An additional layer of the cell wall}\\ & \text{major constituents of the cell wall.}& \text{composed mainly of lignin is found.}\end{array}$