In wine making, the sugar required is derived from which source?

The correct answer is Option (3) → Grapes

NCERT (2026-27 edition):
2. Ethanol – “In wine making, grapes are the source of sugars and yeast. As grapes ripen, the quantity of sugar increases and yeast grows on the outer skin. When grapes are crushed, sugar and the enzyme come in contact and fermentation starts.”