MCQ practice · SSC Biology Board questions · Chapter 5: Food, Nutrition and Digestion
What is the sugar of milk called?
Think it through first, then pick an option.
- a glucose
- b sucrose
- c lactose
- d glycogen
Answer and explanation
Correct answer: c lactose
Milk holds lactose, a disaccharide. Sucrose is the disaccharide of sugar.
Why the other options are wrong
- a glucose: “glucose” does not fit here. Milk holds lactose, a disaccharide. Sucrose is the disaccharide of sugar.
- b sucrose: “sucrose” does not fit here. Milk holds lactose, a disaccharide. Sucrose is the disaccharide of sugar.
- d glycogen: “glycogen” does not fit here. Milk holds lactose, a disaccharide. Sucrose is the disaccharide of sugar.
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