Question

Distinguish the anatomy of dicot root from monocot root.

Answer 1

Characters	Dicot root	Monocot root
1. Pericycle	Gives rise to lateral roots, phellogen and a part of vascular cambium	Gives rise to lateral roots only.
2. Vascular tissue	Usually a limited number of xylem and phloem strips.	Usually more number of xylem and phloem strips.
3. Conjunctive tissue	Parenchymatous; Its cells are differentiated into vascular cambium.	Mostly sclerenchymatous but sometimes parenchymatous. It is never differentiated in to vascular cambium.
4. Cambium	It appears as a secondary meristem at the time of secondary growth.	It is altogether absent.
5. Xylem	Usually tetrarch.	Usually poly arch
6. Pith	Absent	Present at the center