As compared to the dicot root,monocotyledon root has:

Identify $A, B$ and $C$ indicated in the diagram.

Two to five xylem bundles are found in

$(i)$ Unicellular hair
$(ii)$ Endodermis with passage cells
$(iii)$ Pith$-$small$/$inconspicuous
$(iv)$ Radial vascular bundle
$(v)$ Xylem exarch
$(vi)$ $2-4$ xylem and phloem
The above description refers to which of the following?

Polyarch condition is found in which of the following?

You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two?