Food Preparation and Nutrition GCSE
Cross-contamination
What Cross-contamination means in Food Preparation and Nutrition GCSE, as defined for AQA.
Definitions of Cross-contamination
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
The transfer of harmful microorganisms from one food, surface, or piece of equipment to another, often via a vehicle such as hands or knives.
The transfer of harmful bacteria from one food, surface, or piece of equipment to another.
Topics that use Cross-contamination
- Food safety (AQA GCSE)
Related terms
- Blanching
- Chemical Oxidation
- Cross-Contamination Vectors
- Culinary Traditions and Recipe Modification
- Danger Zone
- Denaturation
- Enzymatic Degradation
- Enzymatic Hydrolysis
Using Cross-contamination in the exam
Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.
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