In halophytes, pneumatophores are helpful in
Protein synthesis
Respiration
Transpiration
Carbohydrate etabolism
Roots obtain oxygen from air in the soil for respiration. In the absence or deficiency of $O_{2}$, root growth is restricted or completely stopped. How do the plants growing in marsh lands or swamps obtain their $\mathrm{O}_{2}$ required for root respiration?
Sweet potato is a modified
The region or part of root that increases the surface area for water absorption is
$A$ : Epiphyllous roots arise from the margins of leaf lamina.
$R$ : Epiphyllous roots help in vegetative reproduction.
Root which grow from branches of Banyan tree are