'Pneumatophores' are present/common in

$A$ : Prop roots are rope like showing oblique growth.

$R$ : Prop roots are adventitious roots for extra-support and assimilation.

Sweet potato is homologous to

Which of the following is not the main function of the root system?

The edible part of the sweet potato is a modified

Assertion : Apical meristem of root is subterminal.
Reason : At the terminal end of root, root cap is present