A) Epidermis, hypodermis, phellogen, phelloderm
B) Epidermis, phellogen, phellem, epidermis
C) Epidermis, hypodermis, cortex, endodermis
D) Epidermis, phellem, phellogen, phelloderm
Explanation
Sequence of cellular laters from the periphery towards the cortex in an old dicot stem is epidermis, hypodermis, cortex, endodermis, pericycle and vascular bundles.