Question
Phellogen and phellem respectively denote
Cork and cork cambium
Cork cambium and cork
Secondary cortex and cork
Cork and secondary cortex
Solution
A.
Cork and cork cambium
In the dicot stem, the cortical cells get differentiated to give rise to another meristematic tissue, which is called cork cambium or phellogen. On the other side, it forms phellem (cork) and in the inner region, it forms secondary cortical cells (phelloderm).
