The matured tissues are characterized by:

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Question

(D) Matured tissues,specifically those that have undergone differentiation,exhibit several distinct characteristics.$1$. They often develop thick cell

Vedclass · Accepted Answer

All the above

Vedclass · Answer

(D) Matured tissues,specifically those that have undergone differentiation,exhibit several distinct characteristics.$1$. They often develop thick cell walls (e.g.,secondary cell walls in xylem or sclerenchyma).$2$. As cells mature,the cytoplasm becomes less dense and often contains large vacuoles,but in many specialized mature tissues,the metabolic activity decreases,leading to a reduction in cytoplasmic volume.$3$. The nucleus in highly differentiated or mature cells often becomes smaller or may even disappear (as in sieve tube elements or mature tracheary elements).Therefore,all the listed options are characteristic features of matured tissues.

Column-$I$	Column-$II$
$P$. Parenchyma	$I$. No thickening
$Q$. Collenchyma	$II$. Pectin thickening
$R$. Sclerenchyma	$III$. Lignin thickening

Similar Questions

Match the following columns:

Column-$I$ Column-$II$

$P$. Parenchyma $I$. No thickening

$Q$. Collenchyma $II$. Pectin thickening

$R$. Sclerenchyma $III$. Lignin thickening

Sieve tubes differ from tracheids in:

The end walls of tracheids and vessels,respectively,are:

All the following statements regarding sieve tube elements are true except

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

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