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Assetion : collenchyma, sclerenchyma and...

Assetion : collenchyma, sclerenchyma and xylem provide mechanical suppot to the plant body ltbvrgt Reason: Their cell walls are thick and lignified

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Collenchyma, sclernchyma and xylem provides mechanical support to the plant parts.
Cell wall is thick and lignified in sclerenchyma and xylem but not in collenchyma.
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