Adventitious roots in a dicot stem originate from

$A$ plant called 'plantless root' is:

Give two examples of roots that develop from different parts of the angiospermic plant other than the radicle.

Provide definitions/explanations for the following terms:
$(i)$ Leaf
$(ii)$ Root

$Cuscuta$,$Viscum$ and $Orobanche$ are similar in having

Given below are two statements.
$Statement-I$: In root hair, the outer layer of the cell wall is composed of pectin.
$Statement-II$: In root hair, the inner layer of the cell wall is composed of chitin.
Choose the correct answer from the options given below with reference to the structure of root hair.