Which of the following tissues have lignified | vedclass

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Question

(D) Lignin is a complex polymer that provides structural support and rigidity to plant cell walls.Sieve tubes,albuminous cells,and phloem parenchyma a

Vedclass · Accepted Answer

None of the above

Vedclass · Answer

(D) Lignin is a complex polymer that provides structural support and rigidity to plant cell walls.Sieve tubes,albuminous cells,and phloem parenchyma are all components of the phloem tissue.Phloem tissue is primarily composed of living cells (sieve elements,companion cells,and parenchyma) which typically have thin,cellulosic cell walls.Since none of the options listed contain lignified walls,the correct answer is $D$.

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

Which of the following tissues have lignified walls?

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Match the following columns:

Column-$I$ Column-$II$

$P$. Parenchyma $I$. No thickening

$Q$. Collenchyma $II$. Pectin thickening

$R$. Sclerenchyma $III$. Lignin thickening

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