The carbohydrate used as storage molecule in plants is
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → Starch
Polysaccharides act either as food stores or as structural material; in plants the food store is starch.
Why the other options are incorrect
Option (2) Glycogen — Incorrect. Glycogen is the storage carbohydrate of animals (stored in the liver, muscles and brain), called animal starch; its structure resembles amylopectin but is more highly branched.
Option (3) Cellulose — Incorrect. Cellulose is the main structural polysaccharide of plant cell walls, a straight-chain polymer of β-glucose; it is not a food store.
Option (4) Glucose — Incorrect. Glucose is a monosaccharide, the unit from which starch is built; plants store it as starch rather than as free glucose.
NCERT (2026-27 edition):
Starch
