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Hard lignified thick walled long and poi...

Hard lignified thick walled long and pointed cells a plant are

A

Parenchyma

B

Sclerenchyma

C

Collenchyma

D

Sclereids

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The correct Answer is:
B
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ERRORLESS -ANATOMY OF FLOWERING PLANTS-Anatomy Of Flowering Plants
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  12. The arrangement of xylem in stem is

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