A: Cells of sclerenchyma have thickened secon | vedclass

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(A) Sclerenchyma cells are dead at maturity and possess extremely thick,lignified secondary cell walls.The deposition of lignin provides mechanical st

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Assertion and Reason both are correct and Reason is the correct explanation of Assertion.

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(A) Sclerenchyma cells are dead at maturity and possess extremely thick,lignified secondary cell walls.The deposition of lignin provides mechanical strength and rigidity to the plant body.Since the thickened secondary walls are primarily due to the deposition of lignin,the Reason correctly explains the Assertion.

$A$: Cells of sclerenchyma have thickened secondary walls.
$R$: Cells have deposition of lignin.

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$A$: Cells of sclerenchyma have thickened secondary walls.$R$: Cells have deposition of lignin.