Unit 1 · June 2021 · Q1 (a, b) · 7 marks, Q2 (a, b) · 2 marks, Q8 (b) · 4 marks — question paper and mark scheme
Unit 1 · January 2021 · Q3 (a(i), a(ii), a(iii)) · 5 marks, Q4 (a(ii), b(ii)) · 4 marks, Q5 (c(i)) · 2 marks, Q8 (a(i), a(ii)) · 4 marks — question paper and mark scheme
Unit 1 · October 2020 · Q1 (a, b) · 7 marks, Q5 (b(i), b(iii)) · 3 marks, Q6 (b(ii)) · 5 marks, Q8 (a, b) · 6 marks — question paper and mark scheme
Unit 1 · January 2020 · Q3 (a(i), a(ii)) · 2 marks, Q4 (a(i), a(ii), a(iii), a(iv), b) · 10 marks, Q7 (a(ii)) · 3 marks — question paper and mark scheme
Unit 1 · October 2019 · Q4 (a(i), a(ii), a(iii), b) · 7 marks, Q8 (a) · 3 marks — question paper and mark scheme
Unit 1 · June 2019 · Q1 (a, b(i), b(ii)) · 6 marks, Q2 (a(i), a(ii), a(iii)) · 4 marks, Q5 (a(i), a(ii), b(i)) · 4 marks, Q8 (a, b(i), b(ii), b(iii), c(i), c(ii)) · 13 marks — question paper and mark scheme
Unit 1 · June 2019 · Q1 (a(i), a(ii), b(i), b(ii), c) · 7 marks, Q3 (a) · 1 mark, Q8 (b(i), b(ii)) · 8 marks — question paper and mark scheme
Unit 1 · January 2019 · Q1 (a(i), a(ii), b(i), b(ii), b(iii), b(iv)) · 6 marks, Q7 (a, b(i), b(ii), c) · 11 marks — question paper and mark scheme
Unit 1 · January 2019 · Q1 (a(i), a(ii), c(i), c(ii)) · 7 marks, Q5 (a, b(ii)) · 5 marks — question paper and mark scheme
Unit 1 · October 2018 · Q1 (a(i), a(ii), b(i), b(ii), c) · 9 marks, Q7 (a) · 3 marks — question paper and mark scheme
Unit 1 · June 2018 · Q1 (a(i), a(ii), a(iii)) · 3 marks, Q4 (a) · 2 marks, Q8 (c(i), c(ii)) · 6 marks — question paper and mark scheme
Unit 1 · January 2018 · Q4 (a, c) · 7 marks, Q7 (a) · 2 marks, Q8 (a, b) · 5 marks — question paper and mark scheme
Unit 1 · October 2017 · Q1 (a, b, c) · 4 marks, Q6 (a(iii), b(ii)) · 3 marks, Q8 (c(ii)) · 3 marks — question paper and mark scheme
Unit 1 · June 2017 · Q4 (a(i), a(ii)) · 6 marks, Q7 (a, b(ii)) · 5 marks — question paper and mark scheme
Unit 1 · January 2017 · Q1 (b(i), b(ii), b(iii)) · 5 marks, Q6 (a(i), a(ii), a(iii)) · 4 marks, Q8 (c(ii), c(iii)) · 5 marks — question paper and mark scheme