Collenchyma generally occurs
Scattered in dicot roots
In a ring in monocot roots
In patches under epidermis in dicot stem
In all of the above
The vascular bundles in the stem of monocots are typically
Describe internal structure of (sunflower stem) of young stem of dicot plant.
Cortex consists of three sub-zones in dicot stem, they are
$I.$ hypodermis $II.$ cortical layer
$III.$ pericycle $IV.$ endodermis $V.$ epidermis