No secondary growth occurs in monocot stem because
Vascular bundles are scattered
Vascular bundles are closed
Vascular bundles are enclosed by bundle sheath
None of the above
Conjoint, collateral and closed vascular bundle is found in
In dicot stem, the secondary growth takes place by
Cortex and pith are not distinguished in
In ......... vascular bundles, surrounded by a sclerenchymatous bundle sheath.
The transverse section of a plant shows following anatomical features:
$(a)$ Large number of scattered vascular bundles surrounded by bundle sheath.
$(b)$ Large conspicuous parenchymatous ground tissue.
$(c)$ Vascular bundles conjoint and closed.
$(d)$ Phloem parenchyma absent. Identify the category of plant and its part