Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by
absence of secondary phloem
presence of cortex
position of protoxylem
absence of secondary xylem.
Which of the following is the function of heartwood?
Dermal tissue is derived from
Bicollateral vascular bundles are found in the members of this family
Aerenchyma is found in
Histogen theory states that epidermis is derived from the