The primary reserve carbohydrate stored in plants is:

Step-by-step solution

Starch is the primary reserve carbohydrate stored in plants. It is a polymer of glucose and consists of two components: amylose and amylopectin. Glycogen is the reserve carbohydrate in animals. Cellulose is a structural carbohydrate that forms the cell wall of plant cells. Cellobiose is a disaccharide obtained from the partial hydrolysis of cellulose. Answer: Starch