Question

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what is sclernchyma

Answer 1

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.

Answer 2

they are dead cell devoid of protoplasm. the cell wall is evenly thickened due to deposition of lignin...
they are present in stems ,root,and hard covering of seeds .
there is a formation of a tube like path in between different cell of sclerenchyma....
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