Question

In what does sclerenchyma differ from parenchyma

Answer 1

Parenchyma tissues consist of living cells that are thin-walled and they may be compact or have extensive spaces between the cells. They are also called ground, or fundamental, tissue and makes up the mesophyll (internal layers) of leaves and the cortex (outer layers) and pith (innermost layers) of stems and roots.

Sclerenchyma is the tissue responsible for providing support to plants. Their cell walls comprises of cellulose, hemicellulose and lignin. Their tissues are of two types - fibres and sclereids.

Answer 2

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Sclerenchyma tissue, when mature, is composed of dead cells that have heavily thickened walls containing lignin and a high cellulose content (60%–80%), and serves the function of providing structural support in plants. Sclerenchyma cells possess two types of cell walls: primary and secondary walls.