Question

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Explain Sclerenchyma.​

Answer 1

Answer:

Sclerenchyma :

, in plants, support tissue composed of any of various kinds of hard woody cells.

Mature sclerenchyma cells are usually dead cells that have heavily thickened secondary walls containing lignin.

The cells are rigid and nonstretchable and are usually found in nongrowing regions of plant bodies, such as the bark or mature stems.

Sclerenchyma is one of the three types of ground, or fundamental, tissue in plants; the other two types are parenchyma (living thin-walled tissue) and collenchyma (living support tissue with irregular walls).

Sclerenchyma cells occur in many different shapes and sizes, but two main types occur: fibres and sclereids

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Answer 2

Answer:

It is found in plants.

The cells are rigid, therefore it is likely to be found in bark or stems.

The cells are usually ling, narrow, thickened by deposition of lignin.

It has sclerenchyma fibres and sclereids.

sclerenchyma fibres and sclereids both are dead cells and purely mechanical tissue.

Sclerenchyma fibres gives regidity and flexibility to plant body.

Sclereids form the hard shell like on walnut, almond nut and other types of nuts.

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