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प्रश्न
Write a short note on sclerenchyma.
उत्तर
Sclerenchyma cells are dead cells devoid of protoplasm. Its cell walls are thick and lignified. There are no intercellular spaces between the cells. Middle lamella exists between two sclerenchymatous cells. They are found in stems, roots, veins of leaves, hard covering of seeds, and nuts. Cells of collenchyma are of two types:
(a) fibres and
(b) sclereids (grit cells or stone cells).
The main function of sclerenchyma is to provide mechanical support and protection to the plant.
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संबंधित प्रश्न
Distinguish between tracheids and vessels.
What is the difference between parenchyma and collenchyma?
Name the different types of elements found in the xylem.
Differentiate between cells of Sclerenchyma and Parenchyma
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State the function of the parts labelled 1, 2, 3 and 4.
Name the tissue associated with the following:
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Write 'True or False' for the following statement:
A vascular bundle conducts prepared food only.
Explain sclereids with their types.
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