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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