How many histogens are present in the root ap | vedclass

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(C) According to the Histogen theory proposed by Hanstein,the root apex of most angiosperms consists of three distinct histogens: $1$. Dermatogen: The

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(C) According to the Histogen theory proposed by Hanstein,the root apex of most angiosperms consists of three distinct histogens: $1$. Dermatogen: The outermost layer that gives rise to the epidermis (epiblema in roots). $2$. Periblem: The middle layer that develops into the cortex. $3$. Plerome: The central core that gives rise to the stele (vascular cylinder). In monocotyledonous plants,these three histogens are clearly distinguishable at the root apex.

How many histogens are present in the root apex of monocotyledonous plants?

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