The stele is composed of
Vascular bundle
Pericycle, Pith and vascular bundle
Cortex and endodermis
Pith and cortex
Which is not a characteristic of plant cell walls?
A timber merchant told to the customer that log of wood he is purchasing belongs to $20$ years old tree. He did so by
Growth rings are generally well marked in trees growing in
Conducting part of phloem according to Haberlandt ($1914$) is
Plants having little or no secondary growth are