Vascular bundles in monocotyledons are considered closed because :
Cambium is absent
there are no vessels with perforations
Xylem is surrounded all around by phloem
A bundle sheath surrounds each bundle
The layer of cells outside the phloem meant for giving rise to the root branches is called
Rod shaped elongated sclereids found in the seed coats of pulses are known as
For a successful graft, the adhesion between stock and scion is a must. Which one of the following is the earliest event towards a good graft
Vascular bundles are conjoint, collateral, endarch and lack cambium between xylem and phloem in all, but not in
Companion cells in plants are associated with