Question

The vascular cambium normally gives rise to

(a) primary phloem

(b) secondary xylem

(c) periderm

(d) phelloderm.

Answer 1

Ans: (b) secondary xylem

Explanation: Vascular cambium is a secondary meristem its function is secondary growth, on redifferentiation vascular cambium produces secondary tissues which are secondary xylem,secondary phloem and secondary medullary rays.

Answer 2

Ans: (b) secondary xylem

Sol: Cells of vascular cambium divide periclinally both on the outer and inner sides to form secondary permanent tissues, i.e., secondary xylem and secondary phloem.