In how many of the following plant organs are open vascular bundles found? Dicot root,Dicot stem,Monocot root,Monocot stem,Dicot leaf,Monocot leaf.

In which of the following is the cortex not differentiated into the hypodermis and general cortex?

Describe the internal structure of a monocot (Maize) stem.

The transverse section of a plant shows the 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.

In monocot stem,vascular bundles are.

Two cross-sections of stem and root appear simple,when viewed by the naked eye. But under a microscope,they can be differentiated by: