Question

Define :
a) Breathing Roots​

Answer 1

Explanation:

The roots of a plant take up air from the spaces between the soil particles. Root hairs are in contact with the air in the soil particles. Oxygen from the air in soil particles diffuse into root hair and reach all the cells of the root where it is utilised in respiration.

Answer 2

The pneumatophores are the roots that grows above the ground. These grows upward or erect as these grow above the surface of the soil. ... The soil lacks oxygen due to deposition of extra salt. Thus the roots follow the negative geotropism to avail the oxygen hence these roots are called breathing roots