The chemical substance present in the thickening wall of collenchyma is

Lignin

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Cellulose

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Pectin

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Both B and C

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Solution

The correct option is C Both B and C
Collenchyma cells are simple permanent tissue composed of similar types of cells. It has irregularly thick cell walls that provide support and structure. Their thick cell walls are composed of the compounds cellulose and pectin. These provide strength, and rigidity to the cell.
So, the correct answer is option D.

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Similar questions

Collenchyma	Parenchyma
$(1)$ Mechanical tissue	Living tissue
$(2)$ Absent in monocots	Present in monocots
$(3)$ Intercellular spaces absent	Intercellular spaces may be present
$(4)$ Has thickenings of cellulose and lignin	Has thickening of cellulose and hemicellulose

α

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