plumiVariation and mutation: Edexcel GCSE Combined Science questions
Every Edexcel GCSE Combined Science exam question on Variation and mutation (specification points 3.19–3.23), 2018–2025, with its mark scheme and examiner’s report.
Paper
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Calculations
Q1(a)(i)
The whole paper ↗Your answerQ1(b)(i)
The whole paper ↗Q1(b)(ii)
The whole paper ↗Q5(a)(i)
The whole paper ↗Q3(a)(iii)
The whole paper ↗Q6(b)(ii)
The whole paper ↗
All 6 questions on Variation and mutation, as a list
- June 2025, Biology 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
- June 2025, Biology 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
- June 2025, Biology 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
- June 2023, Biology Paper 1 Foundation, Q5(a)(i) (1 mark): State one possible cause of genetic variation in apple trees. (1)
- November 2020, Biology Paper 1 Higher, Q3(a)(iii) (1 mark): State the term used to describe a change in the sequence of DNA bases. (1)
- June 2018, Biology Paper 1 Higher, Q6(b)(ii) (6 marks): In 2003, the first complete human genome was sequenced. The genomes of different people have small changes in the sequence of the DNA bases. Describe how these
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