The following diagram shows the internal structure of a root hair. Identify the parts labelled as $X$ and $Y$.

Conjunctive tissue is made up of

In the diagram of the $TS$ of the stele of a dicot root,the different parts have been indicated by alphabets. Choose the answer in which these alphabets correctly match with the parts they indicate.

Anatomically,a fairly old dicotyledonous root is distinguished from a dicotyledonous stem by

Where are the Casparian strips found?

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: