Tunica corpus theory was proposed by
Apical meristems are present at the
Which of the following is not a characteristic feature of the anatomy of dicotyledonous root
On the basis of plane of division, the growth forms of meristems have been distinguished as
Deciduous plants shed their leaves during hot summer or in autumn. This process of shedding of leaves is called abscission. Apart from physiological changes, what anatomical mechanism is involved in the abscission of leaves ?