Lactose is made up of:

  1. A. Glucose only
  2. B. Glucose and Fructose
  3. C. Glucose and Sucrose
  4. D. Glucose and Galactose

Correct Answer: D. Glucose and Galactose

Explanation

Lactose is a disaccharide sugar found in milk, composed of two monosaccharides: glucose and galactose.

Related questions on Biology

Practice more CDS General Knowledge questions