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Practical skills practice questions

Practise mixed syllabus-aligned questions for Practical skills. Aligned to OCR Gcse Biology A Gateway.

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Unofficial practice material A student investigates the effect of light intensity on the rate of photosynthesis using pondweed. They set up the apparatus as shown in the diagram, placing a lamp at different distances from the pondweed and counting the oxygen bubbles produced. Describe a method the student could use to conduct this investigation, including how to make it a fair test and how to improve the reliability of the results. [6 marks] [6 marks]

Practical skills questions | OCR GCSE Biology A Gateway | ExamCompanion