Phellogen and phellem respectively denote
(A) Cork and cork cambium
(B) Cork cambium and cork
(C) Secondary cortex and cork
(D) Cork and secondary cortex

Options

A. Cork and cork cambium
B. Cork cambium and cork
C. Secondary cortex and cork
D. Cork and secondary cortex

Answer

B

Explanation

Cork cambium and cork
Cells of cortex : In dicot stem, cells of cortex are differentiated and produces other meristematic tissue. It is called cork cambium or phellogen. It produces cork on its outer side and produces phelloderm on its inner side.