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Artificial selection: OCR A‑Level Biology A questions

OCR A-Level Biology A past-paper questions on 6.1.2.6 Artificial selection, 2016–2025, with mark schemes and examiner’s reports where available.

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1,983 questions

  1. Q12

    June 2025 · Paper 2

    1 mark6.1.2.6 Artificial selection4.2.2.7 Natural selection and its implications
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  2. Q12

    June 2023 · Paper 2

    1 mark6.1.2.6 Artificial selection
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  3. Q13

    June 2023 · Paper 2

    1 mark6.1.2.6 Artificial selection
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  4. Q1(c)(ii)

    November 2021 · Paper 3

    1 mark6.1.2.6 Artificial selection
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  5. Q8

    June 2019 · Paper 2

    1 mark6.1.2.6 Artificial selection
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  6. Q18

    June 2018 · Paper 2

    6 marks6.1.2.6 Artificial selection4.2.1.5 Reasons for maintaining biodiversity
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All 6 questions on Artificial selection, as a list
  1. June 2025, Paper 2, Q12 (1 mark): Artificial selection and natural selection are similar processes. Which option describes only natural selection? A Alleles are passed on to the next generation.
  2. June 2023, Paper 2, Q12 (1 mark): The modern pedigree dog breeds have been produced by many years of selective breeding. Which option does not explain why genetic disorders are common in pedigre
  3. June 2023, Paper 2, Q13 (1 mark): What step could be taken to reduce the occurrence of genetic disorders in pedigree dogs? A Breeding only with individuals that meet the official breed descripti
  4. November 2021, Paper 3, Q1(c)(ii) (1 mark): Explain how the high occurrence of CPF in West Highland Terriers could have been a result of artificial selection. [1]
  5. June 2019, Paper 2, Q8 (1 mark): Which of the following is not associated with the use of artificial selection in farm animals? A health problems in more productive breeds B inbreeding C increa
  6. June 2018, Paper 2, Q18 (6 marks): 18* For centuries, artificial selection has been used to improve the quality of crop plants used for human consumption. Explain, with reference to selective bre

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