GENERAL KNOWLEDGE

Detailed explanation-1: -glucose, also called dextrose, one of a group of carbohydrates known as simple sugars (monosaccharides).

Detailed explanation-2: -And because glucose is present in ripe fruits mainly grapes, therefore, it is also known as grape sugar.

Detailed explanation-3: -Lactose (glucose + galactose): These types of disaccharides are also known as milk sugar because lactose is found in milk and milk products. Maltose (glucose + glucose): These types of disaccharides are found in malt beverages, such as beer and malt liquors. Therefore, lactose sugar is known as milk sugar.