AP BIOLOGY

Detailed explanation-1: -So, the correct answer is ‘Tuberous root’

Detailed explanation-2: -A tuberous root or storage root is a modified lateral root, enlarged to function as a storage organ. The enlarged area of the tuber can be produced at the end or middle of a root or involve the entire root. It is thus different in origin, but similar in function and appearance, to a stem tuber.

Detailed explanation-3: -Some plants like radish, carrot, beetroot store food materials in their roots. The bulged out roots of these plants are known as tuberous roots. Storing food in the roots help them to use it during scarcity of food and survive.

Detailed explanation-4: -Tuberous roots are found in a number of plants including asparagus, airplane plant, dahlia, daylilies, peonies, some irises, sweet potato, taro, and many others. In these plants, swollen roots form at or near the base of the original plant.

Detailed explanation-5: -Final answer: Roots that store food materials are called tuberous roots.