Both minerals and water are absorbed by

The root does not play a major role in water absorption in .......

Select the correct statements.
$I$. From the region of elongation,some of the epidermal cells form root hairs.
$II$. Pneumatophores are seen in $Rhizophora$.
$III$. Adventitious roots are seen in the banyan tree.
$IV$. Maize and sugarcane have prop roots.

Give scientific reasons: The root of the $Rhizophora$ plant is called a breathing root.

Nodulated roots occur in

In roots, absorption of water and minerals mostly occurs in the :