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CAIE A-Level Biology 2.1.5 Semi-Quantitative Benedict’s Test Question Bank

Practise semi-quantitative Benedict’s questions by preparing known standards, controlling heating conditions and comparing colour or timing to estimate reducing sugar.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • prepare known reducing-sugar standards or dilutions that bracket the unknown concentration
  • standardise sugar volume, Benedict’s excess, water-bath temperature and heating time
  • estimate relative concentration from final colour, first colour-change time or calibration data

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