Question

Ramon is observing slides of transverse sections of roots of unlabeled plants. One of the slides shows a vascular bundle that is arranged as a ring of xylem and phloem about the center of the root. Another slide shows a central bundle of xylem and phloem arranged in an X formation.
What kind of roots is he observing?


A.
Dicot and monocot respectively




B.
Monocot and dicot respectively




C.
Dicot roots of two different varieties of plants