Class 11 NEET Biology Anatomy of Flowering Plants Questions Part 1

(a) : Monocot trees such as palms grow in thickness by primary thickening meristem situated at the base of the leaf. Plants like Dracaena show secondary growth by a special cambium. It develops in the form of strips just outside the vascular region. This cambial strips produce secondary vascular bundles which is amphivasal in Dracaena.