Dicot roots are distinguished from monocot roots by the presence of:

Lateral roots arise from

The layer of cells between the endodermis and vascular bundles is called:

Given below are two statements:
Statement $I:$ Endarch and exarch are the terms often used for describing the position of secondary xylem in the plant body.
Statement $II:$ Exarch condition is the most common feature of the root system.
In the light of the above statements,choose the correct answer from the options given below:

Considering the root apex of monocotyledons,there are three groups of initials. Which of the following correctly describes their derivatives?

$A$: According to Clowes,there are three histogens in monocot root.
$R$: In dicot roots,innermost groups of initials form root cap.