Velamen and spongy tissue is found in

In angiosperms, root hairs arise from which one of the following regions of the root?

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

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.

In which type of fleshy tap root does the hypocotyl not form the root?

In $Rhizophora$,roots are modified to form