What is the correct answer?


Cork is formed from

A. phellogen

B. vascular cambium

C. phloem

D. xylem

Correct Answer :

A. phellogen

In hypodermis or outer cortical cells, a layer becomes meristematic which is known as cork cambium or phellogen. Phellogen cuts off cells on both sides. The cells cut off on outer side are phellem or cork cells and cells cut off on inner side are phelloderm or secondary cortex.

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