Which of the following is a correct statement?
Orchid has palmate fleshy roots
Pandanus has stilt roots
Sweet potato has root tubers
All of the above
Give scientific reasons : The root of Rhizophora plant is called breathing root.
Pneumatophores show
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?
Edible part of Sweet potato is
Identify $A, B$ and $C$ in the given diagram