AP BIOLOGY

Detailed explanation-1: -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-2: -Storage roots are the roots that are specially modified for storage of food and water. They usually grow underground. Examples are carrot, beetroot, sweet potato, etc.

Detailed explanation-3: -Storage roots, such as carrot, beetroot, raddish and sweet potato, are examples of roots that are specially modified for storage of starch and water.

Detailed explanation-4: -The plants which store food in their stem are cactus, bamboo, pineapple, potato, ginger, onion, banana, etc. Note: The underground modification of stem is called rhizome. It is a fleshy and horizontal stem found below the surface of the soil.