______ is generally called as milk sugar as it is found in milk.

Lactose

The correct answer is Option (4)- Lactose

Lactose is generally called milk sugar as it is found in milk.

Explanation:

• Glucose: A simple sugar and a component of various carbohydrates.
• Fructose: Another simple sugar found in fruits.
• Maltose: A disaccharide composed of two glucose molecules, often found in malted foods.
• Lactose: A disaccharide sugar made up of glucose and galactose, and it is the primary sugar found in the milk of mammals, including humans.