Prop roots are a type of .......

$A$ fibrous root system is excellent for

....... provides a large surface area for absorption.

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.

Root cap is absent in

In $Dahlia$,the roots are