Question

Periderm of stem includes

• A. Phelloderm, hypodermis and pericycle
• B. Phellogen, phellem and phelloderm
• C. Phellem, phelloderm and lenticels
• D. Phellem, phelloderm and pericycle

Answer 1

The correct option is B Phellogen, phellem and phelloderm

Periderm is the secondary protective layer that occurs during the growth and is called the secondary growth. This is a multi-layered structure that contains cork called the phellem, the phellogen a single layer that surrounds the stem and persistent living cells called the phelloderm.