Q42 / 160 · JIPMER 2013 · Botany

Lactose is composed of

  • A
    glucose + glucose
  • Correct answer
    B
    glucose + galactose
  • C
    glucose + fructose
  • D
    fructose + galactose

Solution

Lactose is popularly known as milk sugar. It is a disaccharide composed of one molecule of glucose and one molecule of galactose. It is a reducing sugar.

Hence, the correct answer is option: 'B'.

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