The environment in Unit 4 — Biology IAL Past Papers

29 papers, 2014–2025 · Unit 4

The Biology IAL Unit 4 — Energy, Environment, Microbiology and Immunity past papers in the collection that assess the environment.

By unit: all units (39) · Unit 4 (29) · Unit 6 (10)

Unit 4: on 29 of 29 papers, 2–29 marks a paper (13 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 4 · June 2025 · Q8 (a(i), a(ii), c(i), c(ii)) · 11 marks — question paper and mark scheme
Unit 4 · January 2025 · Q5 (a, b(ii)) · 8 marks, Q7 (a, b, c, d(i), d(ii), e(iii)) · 11 marks — question paper and mark scheme
Unit 4 · October 2024 · Q8 (b(iii)) · 6 marks — question paper and mark scheme
Unit 4 · June 2024 · Q3 (b, c(i), c(ii)) · 8 marks, Q7 (b(i)) · 2 marks — question paper and mark scheme
Unit 4 · January 2024 · Q2 (b(i), b(ii)) · 5 marks, Q4 (a(i), a(ii)) · 4 marks, Q6 (c) · 3 marks — question paper and mark scheme
Unit 4 · October 2023 · Q5 (c) · 6 marks, Q6 (b(i), b(ii)) · 5 marks — question paper and mark scheme
Unit 4 · June 2023 · Q7 (b(ii), b(iii)) · 7 marks, Q8 (a, b, c, d) · 12 marks — question paper and mark scheme
Unit 4 · January 2023 · Q4 (c) · 3 marks, Q5 (a(i), a(ii), b) · 9 marks, Q6 (b(i), b(iii), c(i), c(ii)) · 10 marks — question paper and mark scheme
Unit 4 · October 2022 · Q4 (a, b(i), b(ii)) · 7 marks, Q8 (a(i), a(ii), b, c) · 13 marks, Q9 (a, d) · 8 marks — question paper and mark scheme
Unit 4 · June 2022 · Q8 (b(i), b(ii), b(iii), b(iv)) · 10 marks — question paper and mark scheme
Unit 4 · January 2022 · Q6 (b(iii), b(iv)) · 5 marks, Q7 (a(ii), b(i), b(ii), c) · 13 marks — question paper and mark scheme
Unit 4 · October 2021 · Q4 (a(i), a(ii), b(i), b(ii), b(iii)) · 8 marks, Q7 (a(iii), b(ii)) · 7 marks — question paper and mark scheme
Unit 4 · June 2021 · Q6 (b(i), b(ii), b(iii), c(i), c(ii)) · 9 marks — question paper and mark scheme
Unit 4 · January 2021 · Q4 (a(i), a(ii), b, c(i), c(ii)) · 11 marks, Q8 (a(i), a(ii)) · 6 marks — question paper and mark scheme
Unit 4 · October 2020 · Q9 (a(iii), b(ii)) · 9 marks — question paper and mark scheme
Unit 4 · October 2020 · Q8 (a(i), a(ii)) · 9 marks — question paper and mark scheme
Unit 4 · January 2020 · Q3 (a, b, c, d(i), d(ii)) · 7 marks, Q7 (b(ii)) · 6 marks — question paper and mark scheme
Unit 4 · June 2019 · Q7 (b) · 3 marks, Q8 (a(i), a(ii), a(iii), b(ii)) · 12 marks — question paper and mark scheme
Unit 4 · January 2019 · Q4 (a, c(i), c(ii), c(iii), d(i), d(ii)) · 12 marks, Q7 (b(iii)) · 3 marks — question paper and mark scheme
Unit 4 · October 2018 · Q1 (b(i)) · 2 marks — question paper and mark scheme
Unit 4 · June 2018 · Q2 (d(i)) · 3 marks — question paper and mark scheme
Unit 4 · January 2018 · Q4 (a, b(i), c) · 11 marks, Q8 (c, d(ii)) · 6 marks — question paper and mark scheme
Unit 4 · October 2017 · Q1 (a(iii), b(ii), c) · 7 marks, Q3 (c) · 4 marks, Q7 (b(i), b(ii), c(i), c(ii)) · 10 marks — question paper and mark scheme
Unit 4 · June 2017 · Q8 (b(i)) · 3 marks — question paper and mark scheme
Unit 4 · January 2017 · Q4 · 6 marks, Q6 (a) · 3 marks — question paper and mark scheme
Unit 4 · January 2016 · Q7 (c) · 6 marks — question paper and mark scheme
Unit 4 · January 2015 · Q3 (a, b, c, d) · 13 marks, Q6 (c) · 4 marks — question paper and mark scheme
Unit 4 · June 2014 · Q3 (a, b, c(i), c(ii), d, e) · 11 marks — question paper and mark scheme
Unit 4 · January 2014 · Q3 (a(ii)) · 5 marks, Q4 (b, c(i), c(ii)) · 7 marks, Q6 (a, b, c, d, e) · 12 marks, Q7 (c) · 5 marks — question paper and mark scheme

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