CAIE A Level Biology 9700 · Biological molecules
A student is given a solution suspected to contain sucrose, a non-reducing disaccharide. Describe how the student could confirm the presence of a non-reducing sugar in the solution, explaining the role of acid hydrolysis in the procedure.
4 marks, so the mark scheme is looking for about 4 separate creditworthy points. Making the same point twice in different words earns it once.
Outline means: Give the main points briefly. Less detail than describe, but every key step has to be there. One short line per step, in order. The marks are for coverage, not depth.
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