plumiInvestigating diversity: AQA A‑Level Biology questions
Every AQA A-Level Biology exam question on 3.4.7 Investigating diversity, 2016–2025, with its mark scheme and examiner’s report.
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Q05.1
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Q05.2
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Q05.3
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Q10.4
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Q05.1
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Q05.2
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Q07.2
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Q08.2
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Q08.3
The whole paper ↗![November 2020 Paper 1, question 08.3: Use the information in Table 3 to complete the phylogenetic tree shown in Figure 8. Write the letter that represents the correct species into each box. [1 mark]](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/74021-nov20-08-3-qp.webp)
Q08.4
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Q03.2
The whole paper ↗![November 2020 Paper 3, question 03.2: Name two techniques the scientists may have used when analysing viral DNA to determine that the viruses were closely related. [1 mark] 1 2](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/74023-nov20-03-2-qp.webp)
Q08.1
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Q08.2
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Q08.3
The whole paper ↗![June 2019 AS Paper 2, question 08.3: Complete Table 3 by writing A, B or C in the box to correctly match the statement to each histogram shown in Figure 10. [1 mark] Table 3 Statement Histogram Bas](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/74012-jun19-08-3-qp.webp)
Q08.4
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Q06.2
The whole paper ↗![Specimen Paper 1, question 06.2: In this investigation, what is meant by genetic diversity? [1 mark] 0 6 . 2](https://pub-e8a9dbab8e2a4d089f52b2a45e0d0b50.r2.dev/bank/74021-spec-06-2-qp.webp)
Q06.3
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All 17 questions on Investigating diversity, as a list
- June 2025, AS Paper 1, Q05.1 (2 marks): Observable characteristics can be used to compare genetic diversity between species. Give two other ways in which genetic diversity between species can be compa
- June 2025, AS Paper 1, Q05.2 (2 marks): A student compares the mean surface area of leaves on the ground from two populations of wild cherry trees. Describe and explain how the student should collect
- June 2025, AS Paper 1, Q05.3 (2 marks): Another student investigated the variation in leaf length using the ruler shown in Figure 6. Figure 6 The student measured the length of one leaf as 86 mm State
- June 2024, Paper 2, Q10.4 (3 marks): Explain how comparison of mitochondrial genes could indicate that the nocturnal geckos formed a distinct genetic group (lines 9–10). In your answer, explain how
- June 2024, AS Paper 1, Q05.1 (5 marks): Malva sylvestris is a plant species. A student wanted to determine the mean height of M. sylvestris plants growing in a field. Describe how the student should o
- June 2024, AS Paper 1, Q05.2 (2 marks): The student wanted to present the results for the distribution of plant heights in a histogram. Figure 6 shows the outline of a results table. Use Figure 6 to d
- June 2023, AS Paper 1, Q07.2 (2 marks): Genetic diversity in soil species was traditionally inferred by making observations after growing prokaryotes on agar plates. However, it is estimated that less
- November 2020, Paper 1, Q08.2 (2 marks): Scientists investigated the genetic diversity between several species of sweet potato. They studied non-coding multiple repeats of base sequences. Define ‘non-c
- November 2020, Paper 1, Q08.3 (1 mark): Use the information in Table 3 to complete the phylogenetic tree shown in Figure 8. Write the letter that represents the correct species into each box. [1 mark]
- November 2020, Paper 1, Q08.4 (2 marks): The scientists studied five individuals from each species. Within the five individuals of species T they found a percentage similarity of 66%. Use Table 3 to ev
- November 2020, Paper 3, Q03.2 (1 mark): Name two techniques the scientists may have used when analysing viral DNA to determine that the viruses were closely related. [1 mark] 1 2
- June 2019, AS Paper 2, Q08.1 (2 marks): The genetic diversity of species is measured by comparing differences in the base sequence of DNA or differences in the base sequence of mRNA. Give two other wa
- June 2019, AS Paper 2, Q08.2 (1 mark): Figure 9 shows the base sequence for part of the gene in two species. Figure 9 Calculate the percentage difference in base sequence for these base sequences. [1
- June 2019, AS Paper 2, Q08.3 (1 mark): Complete Table 3 by writing A, B or C in the box to correctly match the statement to each histogram shown in Figure 10. [1 mark] Table 3 Statement Histogram Bas
- June 2019, AS Paper 2, Q08.4 (2 marks): To calculate the percentage difference in base sequences, the scientists first counted the number of bases and the number of base differences. What statistical
- Specimen, Paper 1, Q06.2 (1 mark): In this investigation, what is meant by genetic diversity? [1 mark] 0 6 . 2
- Specimen, Paper 1, Q06.3 (2 marks): The scientists concluded that the bluethroat showed greater genetic diversity than the willow flycatcher. Explain why they reached this conclusion. Use calculat
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