Continuous ring of cambium is formed by
Intrafascicular cambium
Interfascicular cambium
Lateral meristem
Both $(a)$ and $(b)$
......... Occurs in layers below the epidermis in dicotyledonous plants.
In barley stem vascular bundles are
On the basis of plane of division, the growth forms of meristems have been distinguished as
Abaxial surface of the leaf generally bears