Question

When lactose is digested, it yields two monosaccharides known as

• A. Glucose and glucose
• B. Maltose and glucose
• C. Glucose and fructose
• D. Glucose and galactose

Answer 1

The correct option is D Glucose and galactose

• Two monosaccharides are joined by a glycosidic linkage formed by the loss of a water molecule lead to a disaccharide.
• Lactose is a disaccharide which is formed by the linkage of galactose and glucose.
• Maltose is a disaccharide formed from two glucose monosaccharide units.
• Sucrose is also a disaccharide that is formed from glucose and fructose.

So the correct answer is 'Glucose and galactose'.