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10. Biomolecules — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistry10. Biomolecules1 Mark
MCQ
Which of the following is a disaccharide
  • ✓
    Lactose
  • B
    Starch
  • C
    Cellulose
  • D
    Glucose
✓

Answer

Correct option: A.
Lactose
a
Disaccharides are oligosaccharides which are formed by condensation of two monosaccharides. Lactose is a disaccharide. It is made up of two hexose molecules, glucose, and galactose. Lactose is also known as milk sugar because it is found in milk. It is a reducing sugar. 

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