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RP5: Photosynthesis

Investigate the effect of light intensity on the rate of photosynthesis using an aquatic organism such as pondweed

Required PracticalAQAGCSE

๐Ÿ”ฌ Equipment Required

  • Pondweed (Elodea or Cabomba)
  • Beaker
  • Lamp
  • Metre ruler
  • Stopwatch
  • Thermometer
  • Sodium hydrogencarbonate (to provide COโ‚‚)
  • Boiling tube or measuring cylinder
  • Funnel
  • Paper clip or weight

๐Ÿฆบ Safety Precautions

  • Take care with electrical equipment near water
  • Allow lamp to cool before moving
  • Wash hands after handling pondweed

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About RP5: Photosynthesis

RP5: Photosynthesis is a required practical for AQA GCSE Biology. This practical investigate the effect of light intensity on the rate of photosynthesis using an aquatic organism such as pondweed

Students are expected to understand the method, identify and control variables, use appropriate equipment, analyse results, draw graphs, identify sources of error, suggest improvements, and consider safety precautions.

Questions on required practicals frequently appear in AQA GCSE Biology exams and can be worth significant marks. Practice with our AI-generated questions to master this practical.

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