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Collenchyma cells are absent in the stem...

Collenchyma cells are absent in the stems and leaves of many monocotyledonous plants. It is so because

A

they do not need any mechanical support

B

dedifferentiate into secondary meristem in the early stage

C

their wall thickening get dissolved, hence not easy to be identified

D

sclerenchyma appears at an early stage of development

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The correct Answer is:
D
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  18. Collenchyma cells are absent in the stems and leaves of many monocotyl...

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