Secondary growth is observed due to the activ | vedclass

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(D) Secondary growth in dicot stems is primarily caused by the activity of the vascular cambium. The vascular cambium consists of two types of meriste

Vedclass · Accepted Answer

$A$ and $B$

Vedclass · Answer

(D) Secondary growth in dicot stems is primarily caused by the activity of the vascular cambium. The vascular cambium consists of two types of meristematic tissues: $1$. Intrafascicular cambium: Present within the vascular bundles. $2$. Interfascicular cambium: Formed by the dedifferentiation of medullary ray cells between vascular bundles. Together,these form a complete ring of vascular cambium,which is responsible for the production of secondary xylem and secondary phloem. Therefore,both $A$ and $B$ contribute to secondary growth.

Secondary growth is observed due to the activity of ..........

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