plumiCommercial uses of plant hormones: OCR A‑Level Biology A questions
OCR A-Level Biology A past-paper questions on 5.1.5.3 Commercial uses of plant hormones, 2016–2025, with mark schemes and examiner’s reports where available.
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Q18(c)
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All 4 questions on Commercial uses of plant hormones, as a list
- June 2025, Paper 1, Q18(c) (3 marks): Soybeans are important food crops. Farmers often grow soybeans with the plants close together but this causes the stems to grow too long so that the plants fall
- June 2022, Paper 3, Q3(d) (3 marks): A friend of the student had an apple tree in their garden. The friend asked the student if there was a way to ripen the fruit on the apple tree more quickly so
- June 2019, Paper 1, Q22(e)(ii) (2 marks): Give two examples of the commercial uses of auxin. 1 2 [2]
- June 2017, Paper 1, Q21(a) (6 marks): Plant hormones affect the growth of plant tissues in different ways. One such effect is to promote the formation of seedless fruit. Cytokinins are a group of pl
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