Root cap is largest in:

The origin of root hairs and lateral roots is

Root pockets act as balancers and are found in:

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 $O_{2}$ required for respiration?

Plants which are attached to the rocks are called

Choose the correct option for the root.