Which of the following statements is/are incorrect regarding roots? (I) In Rhizophora , pneumatophores are found. (II) Tap roots of carrot, turnip and adventitious roots of sweet potato, get swollen and store food. (III) The stems of maize and sugarcane have supporting prop roots coming out of the lower nodes of the stem.

Step-by-step solution

Roots in some plants change their shape and structure. They become modified to perform functions other than absorption and conduction of water and minerals. They are modified for support, storage of food and respiration. Taproots of carrot, turnip and adventitious roots of sweet potato, get swollen and stores food. In banyan, the hanging roots for support are called prop roots. Similarly, the stems of maize and sugarcane have supporting roots coming out of the lower nodes of the stem. These are called stilt roots.