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Simple Permanent Tissues

Collenchyma c...

Question

Collenchyma cells are elongated cells with irregularly thick cell walls that provide support and structure. Their thick cell walls are composed of the compounds cellulose and pectin.

A

True

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B

False

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Solution

The correct option is A
True

True. Collenchyma cells are elongated cells with irregularly thick cell walls that provide support and structure. Their thick cell walls are composed of the compounds cellulose and pectin.

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Similar questions

Q. Match and find the correct option

	I		II
(a)	Tracheids	(i)	Cells possess highly thickened walls with oblilateral central lumen
(b)	Vessels	(ii)	Elongated tube like cells with thick lignified walls and tapering ends
(c)	Xylem parenchyma	(iii)	Individual members are interconnected through perforations in their common walls
(d)	Xylem fibres	(iv)	Cells are living with thin cellulose cell wall.

Q. Match the column:

List I	List II
A) Tracheids	I) Cells possess highly thickened walls with oblilateral central human
B) Vessels	II) Elongated tube like cells with thick lignified walls and tapering ends
C) Xylem parenchyma	III) Individual members are interconnected through perorations in their common walls
D) Xylem fibers	IV) Cells are living with thin cellulosic cell walls

Q. In one tissue, cells are isodiametric, walls are thin and made of cellulose. The other tissue consists of long narrow cells with thick and lignified walls. They are

Q. _____________ are elongated or tube-like dead cells with hard, thick and lignified walls.

Q. Assertion :Collenchyma is thick walled dead tissue. Reason: Collenchymatous cells show thickenings of pectin.

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