Question
Biology Question on Anatomy of Dicotyledonous and Monocotyledonous Plants
Periderm includes
A
Cork , secondary cortex , Cork Cabium
B
Only cork cambium
C
Cork cambium and cork only
D
Cork, phellogen and secondary cortex
Answer
Cork , secondary cortex , Cork Cabium
Explanation
Solution
The periderm is the secondary protective (dermal) tissue that replaces the epidermis during growth in thickness of stems and roots of gymnosperms and dicotyledons Unlike typical epidermis, the periderm is a multilayered tissue system, the bulk of which usually constitutes the cork, or phellem, cork cambium or phellogen and phelloderm or secondary cortex.