Polyarch condition is found in which of the following?
Monocotyledonous stem
Monocotyledonous leaves
Monocotyledonous roots
Dicotyledonous stem
In the dicot root the vascular cambium originates from
In a transverse section of a dicot root
Trabaculae is the transformation of
Identify $A, B$ and $C$ indicated in diagram of root apex given below
In root, xylem is