Multiple choice

Which of the following is called a disaccharide?

  1. Sucrose

  2. Fructose

  3. Glucose

  4. Starch

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A Correct answer
Explanation

Sucrose (table sugar) is a disaccharide composed of one glucose molecule and one fructose molecule bonded together. Fructose is a monosaccharide (single sugar unit). Glucose is also a monosaccharide, the most common simple sugar. Starch is a polysaccharide made of many glucose units linked together.