Biology · OCR
Question 1 of 1
Microbiological techniquesOCR style6 marks
Microbiological techniques practice
Practise aseptic technique, culturing microorganisms, measuring zones of inhibition and evaluating microbial investigations.
MethodVariablesMeasurementEvaluation
Exam question
A student investigates the effect of three antiseptics on bacterial growth using agar plates and paper discs. Describe a safe and valid method and explain how the results should be compared.
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