Question

Which part of the root is involved in the exchange of respiratory gases?

Answer 1

Root:

1. Root is an underground part of the plant body that absorb water and mineral from the soil.
2. It usually provides stability or holds the plant.

Root hair:

1. Root hairs are the outgrowth of the root which is involved in the exchange of respiratory gases.
2. They penetrate in the soil and remain in direct contact with air in the soil for the exchange of respiratory gases.