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Variation and mutation: Edexcel GCSE Biology questions

Every Edexcel GCSE Biology exam question on Variation and mutation (specification points 3.19–3.23), 2018–2025, with its mark scheme and examiner’s report.

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1,834 questions

  1. Q1(a)(i)

    June 2025 · Paper 1 Foundation

    1 markVariation and mutation
    The whole paper ↗
    June 2025 Paper 1 Foundation, question 1(a)(i): Which term describes the differences in hair colour? (1) A variation B tissue culture C elongation D fertilisation

  2. Q1(b)(i)

    June 2025 · Paper 1 Foundation

    2 marksVariation and mutation
    The whole paper ↗
    June 2025 Paper 1 Foundation, question 1(b)(i): Complete Figure 2 to show the tally and the total for brown hair. (2) hair colour black blonde brown red      total = 7 total = 6 total = total = 1

  3. Q1(b)(ii)

    June 2025 · Paper 1 Foundation

    3 marksVariation and mutation
    The whole paper ↗
    June 2025 Paper 1 Foundation, question 1(b)(ii): Complete the bar chart to show the totals in Figure 2 and label the x‑axis. (3) 12 10 8 number of 6 students 4 2 0 black

  4. Q8(a)(i)

    June 2023 · Paper 1 Foundation

    1 markVariation and mutation
    The whole paper ↗
    June 2023 Paper 1 Foundation, question 8(a)(i): State one possible cause of genetic variation in apple trees. (1)

  5. Q5(a)(iii)

    November 2020 · Paper 1 Higher

    1 markVariation and mutation
    The whole paper ↗
    November 2020 Paper 1 Higher, question 5(a)(iii): State the term used to describe a change in the sequence of DNA bases. (1)

  6. Q4(a)(iv)

    June 2018 · Paper 1 Higher

    1 markVariation and mutation
    The whole paper ↗
    June 2018 Paper 1 Higher, question 4(a)(iv): One of the plantlets had different coloured leaves. Give one reason why this plantlet had different coloured leaves. (1)

  7. Q10(a)(iv)

    June 2018 · Paper 1 Foundation

    1 markVariation and mutation
    The whole paper ↗
    June 2018 Paper 1 Foundation, question 10(a)(iv): One of the plantlets had different coloured leaves. Give one reason why this plantlet had different coloured leaves. (1)

  8. Q1(b)(i)

    Specimen · Paper 1 Foundation

    2 marksVariation and mutation
    The whole paper ↗
    Specimen Paper 1 Foundation, question 1(b)(i): Complete the tally chart, in Figure 2, for this data. (2) eye colour blue brown green hazel total total total total Figure 2

  9. Q1(b)(ii)

    Specimen · Paper 1 Foundation

    1 markVariation and mutation
    The whole paper ↗
    Specimen Paper 1 Foundation, question 1(b)(ii): Give another appropriate method of displaying this information. (1) A section of one allele for eye colour has the following DNA sequence: ATGGCTAAGTA
All 9 questions on Variation and mutation, as a list
  1. June 2025, Paper 1 Foundation, Q1(a)(i) (1 mark): Which term describes the differences in hair colour? (1) A variation B tissue culture C elongation D fertilisation
  2. June 2025, Paper 1 Foundation, Q1(b)(i) (2 marks): Complete Figure 2 to show the tally and the total for brown hair. (2) hair colour black blonde brown red      total = 7 total = 6 total = total = 1
  3. June 2025, Paper 1 Foundation, Q1(b)(ii) (3 marks): Complete the bar chart to show the totals in Figure 2 and label the x‑axis. (3) 12 10 8 number of 6 students 4 2 0 black
  4. June 2023, Paper 1 Foundation, Q8(a)(i) (1 mark): State one possible cause of genetic variation in apple trees. (1)
  5. November 2020, Paper 1 Higher, Q5(a)(iii) (1 mark): State the term used to describe a change in the sequence of DNA bases. (1)
  6. June 2018, Paper 1 Higher, Q4(a)(iv) (1 mark): One of the plantlets had different coloured leaves. Give one reason why this plantlet had different coloured leaves. (1)
  7. June 2018, Paper 1 Foundation, Q10(a)(iv) (1 mark): One of the plantlets had different coloured leaves. Give one reason why this plantlet had different coloured leaves. (1)
  8. Specimen, Paper 1 Foundation, Q1(b)(i) (2 marks): Complete the tally chart, in Figure 2, for this data. (2) eye colour blue brown green hazel total total total total Figure 2
  9. Specimen, Paper 1 Foundation, Q1(b)(ii) (1 mark): Give another appropriate method of displaying this information. (1) A section of one allele for eye colour has the following DNA sequence: ATGGCTAAGTA

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