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

How many of the following statements are consistent with the functions of the root?
$I$ - Absorption of water and minerals from the soil
$II$ - Providing a proper anchorage to the plant parts
$III$ - Storing reserve food material
$IV$ - Synthesis of plant growth regulators

In $Pandanus$ $(Screw\, pine)$,stilt roots arise from:

In the root,the maximum growth occurs:

In which plants are pneumatophores found?

The cell layer located at the periphery in the cross-section of the root is called