Question

what is sclerenchyma​

Answer 1

Answer:

strengthening tissue in a plant, formed from cells with thickened, typically lignified, walls.

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Answer 2

Answer:

Sclerenchyma:

• Sclerenchyma cells are dead cells and they are devoid of protoplasm.

• They are long and narrow as the walls are thickened due to lignin, such cell walls  are called lignified.

• The cells of sclerenchyma are closely packed without intercellular spaces.

• Cells of sclerenchyma are of two types: fibers and sclereids.

• Fibers consist of very long, narrow, thick and lignified cells. Sclereids are irregular  shaped.

• This tissue is present in stems, around vascular bundles, in the veins of leaves and in the hard covering of seeds and nuts. Husk of coconut is made of  sclerenchymatous tissue.

Functions of Sclerenchyma

• The sclerenchyma is mainly mechanical and protective in function.

• It gives strength, rigidity, flexibility and elasticity to the plant body and, thus, enables  it to withstand various strains.