The origin of root hairs and lateral roots is

Water and minerals absorption from the soil is the function of:

In wheat plant . . . . . . root system is present.

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.

Plants like $Rhizophora$ and $Avicennia$ grow on the sea shores under saline conditions. For this,they have special roots for respiration which are called:

Adventitious roots in a dicot stem originate from