plumiPhotosynthesis: CAIE IGCSE Biology questions
Every CAIE IGCSE Biology exam question on 6.1 Photosynthesis, June 2024 and the specimen papers, with its mark scheme and examiner’s report.
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![June 2024 Paper 6, question 2: Plan an investigation to determine the effect of light intensity on photosynthesis in an aquatic plant. [6]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/061061-jun24-02-qp.webp)
Q4(a)
The whole paper ↗
All 9 questions on Photosynthesis, as a list
- June 2024, Paper 1, Q13 (1 mark): The graph shows the results of an experiment that investigated the effect of light intensity on the rate of photosynthesis. y-axis x-axis What are the labels fo
- June 2024, Paper 1, Q16 (1 mark): Which substance is an ion that is used to make chlorophyll? A calcium B iron C magnesium D starch
- June 2024, Paper 2, Q10 (1 mark): The diagram shows an experiment to investigate the effect of increasing light intensity on the rate of photosynthesis in an aquatic plant. The rate is found by
- June 2024, Paper 6, Q2 (6 marks): Plan an investigation to determine the effect of light intensity on photosynthesis in an aquatic plant. [6]
- Specimen, Paper 1, Q11 (1 mark): The apparatus shown was used in an experiment. The carbon dioxide content of the water in each test-tube was measured at the start of the experiment and again t
- Specimen, Paper 1, Q13 (1 mark): Why do plants need nitrate ions? A Nitrogen is a component of amino acids. B Nitrogen is a component of fatty acids. C Nitrogen is a component of glucose. D Nit
- Specimen, Paper 2, Q11 (1 mark): The apparatus shown was used in an experiment. The carbon dioxide content of the water in each test-tube was measured at the start of the experiment and again t
- Specimen, Paper 2, Q13 (1 mark): Why do plants need nitrate ions? A Nitrogen is a component of amino acids. B Nitrogen is a component of fatty acids. C Nitrogen is a component of glucose. D Nit
- Specimen, Paper 3, Q4(a) (4 marks): Fig. 4.1 is a diagram of a variegated leaf from a plant. The plant was exposed to sunlight so that it could photosynthesise. green white Fig. 4.1 A student test
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