Which of the following regions produce secondary xylem and phloem in the dicot stem? (a)Vascular cambium (b) Sclerenchyma (c)Procambium (d)Apical meristems
Option A In woody roots the vascular cambium (the lateral meristem that gives rise to secondary phloem and secondary xylem) originates in the pericycle as well as in the procambium; the procambium is the primary meristematic tissue between the primary phloem and xylem
