Carbohydrates in the plants are stored in the form of I. Glycogen II. Starch III. Glucose IV. Maltose
Option B. Polysaccharides are the most abundant carbohydrates and are synthesized by humans, animals and plants for structural support, for food storage or for energy metabolism. Carbohydrates are compounds composed of carbon, hydrogen, and oxygen. The carbohydrate group includes sugars, starch, and cellulose. Starch is the usual form in which carbohydrates are stored as energy by plants. So, the correct option is 'Starch'.