BDS Biochem Quiz - OR21 - 3

Which of the following is an example of epimers?

• Glucose and Fructose

• Mannose and Glucose

• Glucose and Ribose

• Glucose and Galactose

The red precipitate formed when glucose is heated with “Benedict’s reagent” is

• Cupric hydroxide

• Cuprous hydroxide

• Cupric oxide

• Cuprous oxide

Fructose and Glucose can be distinguished by

• Selwanoff’s reagent

• Benedict’s reagent

• Fehling’s reagent

• Barfoed’s reagent

Which of the following carbohydrates is a triose?

• Glucose

• Ribose

• Ribulose

• Glyceraldehyde

Dental plaque formed by bacteria on the surface of teeth is rich in

• Fructose

• dextrin

• Dextran

• mucilage

In which of the following, glucose residues are linked by β1, 4 glycosidic bonds?

• Amylose

• Starch

• Cellulose

• Glycogen

Chitin is a linear homopolysaccharide composed of

• N-acetylgalactosamine

• N-acetylglucosamine

• N-acetylmannosamine

• N-acetyifructosamine

Which of the following are the structural polysaccharides?

• Glycogen

• Starch

• Chitin

• Glucose

Which of the following is not a monosaccharide with five carbon atoms?

• Arabinose

• Xylulose

• Trehalose

• Ribulose

In cell membranes, how the carbohydrates in glycoproteins and glycolipids are oriented?

• Towards outside

• Towards inside

• Towards outside and inside

• Randomly distributed