In plants,lateral roots arise from

Which one of the following conditions is seen in the roots of a plant having submerged assimilatory roots and spongy petioles?

Root pockets act as balancers and are found in:

Monocot plants are characterised by the presence of

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?

Root hairs develop from the region of ........