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GCSE Required Practical – Biology 1 – Food Tests

What’s the point of the practical?

To find out if sugars, starch and/or proteins are in certain foods.

Example Apparatus and results

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What may they ask us about?

  • Qualitative test (tell you just yes/no) vs Quantitative (tells you how much) tests.
  • Sources of error – how could you make mistakes?
  • Why is it hard to judge colour change accurately?
  • Resolution of measurements, repeatability, reproducibility etc.