The origin of root hairs and lateral roots is

The pneumatophores (respiratory roots) are involved in .......... .

Leguminous plants possess:

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.

Pneumatophores are found in plants growing in:

The region or part of the root that increases the surface area for water absorption is: