EVERYDAY SCIENCE

Detailed explanation-1: -Tubers like potato are swollen fleshy underground stem. It has many small buds called eyes, each of which can grow into a new plant .

Detailed explanation-2: -(a) The thickened and swollen stem or root of a plant that stores food and is present underground is called a tuber. For example, the potato is a stem tuber and sweet potato is a root tuber.

Detailed explanation-3: -Tuber-An enlarged fleshy end of a stem, generally from rhizomes but often also referring to thickened roots too.

Detailed explanation-4: -A rhizome is a modified stem that grows horizontally underground; it has nodes and internodes. Vertical shoots may arise from the buds on the rhizome of some plants, such as ginger and ferns. Corms are similar to rhizomes, except they are more rounded and fleshy (such as in gladiolus).

Detailed explanation-5: -The rhizome is an indefinitely growing perennial main stem that occurs underground and gives rise to annual aerial branches or leaves under favourable conditions.