Many xylem bundles.
Inconspicuous annual rings.
Relatively thicker periderm.
More abundant secondary xylem.
Dicot root is diarch to hexarch (no. of vascular bundle is 2 to 6), while in monocot polyarch (no. of vascular bundle is numerous, i.e., 8 to many) condition is present. So, monocot root has many xylems and phloems in comparison with the dicot root. Thus, the correct answer is option A.