Q. Assertion Radial vascular bundle is the characteristic of majority of the roots including dicots and monocots.
Reason Monocot stem is characterised by colletral open vascular bundle.

 2139  207 AIIMSAIIMS 2013 Report Error

Solution:

Radial vascular bundles are characteristic of majority of the roots. In this type of vascular bundle xylem and phloem are arranged on separate radius while in monocot stem the vascular bundle is collateral and closed.