Bicollateral vascular bundles are found in .......

Vascular bundles in monocotyledons are considered closed because

The endodermis of a dicot stem is also called:

Cortex consists of three sub-zones in dicot stem,they are
$I.$ hypodermis $II.$ cortical layer
$III.$ pericycle $IV.$ endodermis $V.$ epidermis

Cut a transverse section of a young stem of a plant from your school garden and observe it under the microscope. How would you ascertain whether it is a monocot stem or a dicot stem? Give reasons.

What is the term for a stele that contains numerous scattered vascular bundles?