plumiPhotosynthesis and respiration: OCR A‑Level Biology A questions
OCR A-Level Biology A past-paper questions on 5.2.1.1 Photosynthesis and respiration, 2016–2025, with mark schemes and examiner’s reports where available.
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Q17(a)(i)
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All 6 questions on Photosynthesis and respiration, as a list
- June 2024, Paper 1, Q17(a)(i) (2 marks): Identify the molecules labelled X, Y and Z in Fig. 17.1. X Y Z [2]
- June 2024, Paper 1, Q17(a)(ii) (3 marks): Use the information in Fig. 17.1 to explain how plants are able to survive in a sealed glass container, such as a terrarium or bottle garden, for many months or
- June 2022, Paper 1, Q14 (1 mark): Which of the statements about the relationship between photosynthesis and aerobic respiration in plants is/are correct? 1 During the day, photosynthesis produce
- November 2021, Paper 1, Q19(b)(i) (1 mark): Suggest one other reason why the plants in a sealed terrarium continue to grow. [1]
- June 2018, Paper 1, Q22(b) (2 marks): The scientist made the following claim: These results suggest that, in maize seedlings, the rate of photosynthesis only exceeds the rate of respiration when the
- June 2017, Paper 1, Q2 (1 mark): Which of the images, A to D, correctly summarises photosynthesis? A B reduced reduced light light light light NAD NAD independent dependent dependent independen
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