The thickening material present in cell walls of collenchyma is

Pectin, cellulose, hemicellulose

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Lignin, cellulose, hemicellulose

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Hemicellulose, suberin, cellulose

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Suberin, pectin, cellulose

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Solution

The correct option is A Pectin, cellulose, hemicellulose
In higher plants, the cell wall is made up of mainly cellulose and hemicellulose. Pectins are usually found in parenchyma, but additional materials are deposited on the cell wall according to the function, e.g., pectin in collenchyma, lignin in sclerenchyma, and suberin in cork cells.

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Similar questions

Cells of this tissue are living and show angular wall thickening. They also provide mechanical support. The tissue is

(a) xylem

(b) sclerenchyma

(d) epidermis

Column I	Column II
(p) Food storage	(i) Collenchyma
(q) Irregular cell wall thickening	(ii) Meristematic tissues
(r) Mechanical strength	(iii) Parenchyma
(s) Increases girth of plant	(iv) Sclerenchyma

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