In which order does the development of xylem occur?

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:

When the protoxylem is located towards the periphery,the arrangement is called:

When roots or stems are $..........$, annular and spiral thickenings develop in the protoxylem vessels.

Vascular bundles of roots are:

In dicotyledonous root,the parenchymatous cells which lie between xylem and phloem are called $:-$