DNA and gene expression in Unit 2 — Biology IAL Past Papers

23 papers, 2014–2025 · Unit 2

The Biology IAL Unit 2 — Cells, Development, Biodiversity and Conservation past papers in the collection that assess dna and gene expression.

By unit: all units (93) · Unit 1 (32) · Unit 2 (23) · Unit 3 (1) · Unit 4 (10) · Unit 5 (24) · Unit 6 (3)

Unit 2: on 23 of 31 papers, 3–11 marks a paper (6 on average)

Read question by question: blind checks found 117 of 120 question parts tagged with the right topic (95% confidence interval 92.9–99.1%).

How topics are found and checked

Papers

Unit 2 · June 2025 · Q3 (b(ii)) · 2 marks, Q6 (a(i), b) · 6 marks — question paper and mark scheme
Unit 2 · January 2025 · Q7 (a, c(i), c(ii)) · 11 marks — question paper and mark scheme
Unit 2 · October 2024 · Q6 (d(i), d(ii)) · 4 marks — question paper and mark scheme
Unit 2 · June 2024 · Q5 (b, c) · 9 marks — question paper and mark scheme
Unit 2 · October 2023 · Q7 (b) · 5 marks — question paper and mark scheme
Unit 2 · June 2023 · Q2 (c) · 3 marks, Q4 (c) · 5 marks — question paper and mark scheme
Unit 2 · January 2023 · Q8 (b, c(i)) · 7 marks — question paper and mark scheme
Unit 2 · October 2022 · Q6 (b) · 5 marks, Q8 (b) · 4 marks — question paper and mark scheme
Unit 2 · June 2022 · Q7 (b) · 4 marks — question paper and mark scheme
Unit 2 · January 2022 · Q3 (b) · 4 marks — question paper and mark scheme
Unit 2 · October 2021 · Q7 (b) · 5 marks, Q8 (b(ii)) · 4 marks — question paper and mark scheme
Unit 2 · January 2021 · Q6 (b) · 4 marks — question paper and mark scheme
Unit 2 · October 2020 · Q7 (c, d) · 8 marks — question paper and mark scheme
Unit 2 · January 2020 · Q7 (c) · 5 marks — question paper and mark scheme
Unit 2 · October 2019 · Q8 (c(i), c(ii)) · 5 marks — question paper and mark scheme
Unit 2 · June 2019 · Q7 (d) · 3 marks — question paper and mark scheme
Unit 2 · October 2018 · Q7 (b) · 6 marks — question paper and mark scheme
Unit 2 · January 2018 · Q8 (b) · 4 marks — question paper and mark scheme
Unit 2 · June 2017 · Q4 (c) · 3 marks — question paper and mark scheme
Unit 2 · October 2016 · Q6 (a(ii), a(iii)) · 3 marks — question paper and mark scheme
Unit 2 · January 2016 · Q6 (d) · 4 marks — question paper and mark scheme
Unit 2 · June 2014 · Q6 (d) · 4 marks — question paper and mark scheme
Unit 2 · January 2014 · Q3 (b) · 4 marks — question paper and mark scheme

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