First slide
Anatomy of Dicotyledonous and Monocotyledonous Plants
Question

Xylem and phloem are arranged in alternate radii in
I.  Dicot leaf    
II. Monocot leaf     
III. Dicot root    
IV. Monocot root

Easy
Solution

In leaves of monocots and dicots, the vascular bundles are conjoint collateral and closed. In roots, since xylem and phloem are present on separate radii, they are described as radial separate vascular bundles.

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