Which sugar is present in milk?
Lactose, a disaccharide, is the primary sugar found in milk.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Disaccharides and Glycosidic Linkage
#biomolecules MCQ
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Which monosaccharide is present in maltose?
Maltose is a disaccharide composed of two glucose units linked by an α-1,4-glycosidic bond.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Disaccharides and Glycosidic Linkage
Which of the following is a reducing disaccharide?
Maltose is a reducing disaccharide because it has a free anomeric carbon on one glucose unit.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Disaccharides and Glycosidic Linkage
Which disaccharide contains a β-glycosidic linkage?
Lactose has a β-1,4-glycosidic linkage between galactose and glucose, making it a reducing sugar.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Disaccharides and Glycosidic Linkage
Which monosaccharide has a ketone group?
Fructose is a ketose sugar with a ketone group at C2, unlike aldoses which have an aldehyde group.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Monosaccharides - Structure and Properties
Which of the following is an aldohexose?
Glucose is an aldohexose, a six-carbon sugar with an aldehyde group at C1.
Ref: NCERT Class 12 Chemistry > Chapter 14: Biomolecules > Topic: Carbohydrates - Monosaccharides - Structure and Properties