Biology 9700 · AS & A Level · Carbohydrates and lipids

Carbohydrates and lipids — practice question

Which of the following statements about monosaccharides and disaccharides is correct?

  • ASucrose is a non-reducing disaccharide produced from two identical monosaccharides joined together by a condensation reaction.
  • BThe hydrolysis of the reducing disaccharide maltose produces a reducing monosaccharide, and a non-reducing monosaccharide.
  • CMaltose is a non-reducing disaccharide that contains two identical reducing monosaccharides connected by a glycosidic bond.
  • DThe addition of a water molecule to the glycosidic bond in a sucrose disaccharide produces two different reducing monosaccharides.

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI