Biology 9700 · 17 Selection and evolution
17.3 Evolution
Outline evolutionary theory, explain how DNA sequences show relationships, and describe allopatric and sympatric speciation mechanisms.
- Questions
- 55
- Years
- 2004–2026
- Multiple choice
- 0
- Written answer
- 55
- Average marks
- 10
Practise selection and evolution questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 4variants 04, 41, 42, 43, 4453
- Paper 5variants 05, 512
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | 1 | 4 | – | 5 |
| 2023 | – | 1 | 2 | 3 |
| 2022 | 1 | 2 | 1 | 4 |
| 2021 | 1 | 1 | 3 | 5 |
| 2020 | – | 3 | 3 | 6 |
| 2019 | 2 | 4 | 3 | 9 |
| 2018 | 1 | 1 | 2 | 4 |
| 2017 | – | – | 3 | 3 |
| 2015 | – | 1 | 2 | 3 |
| 2010 | – | 3 | 1 | 4 |
| 2009 | – | – | 2 | 2 |
| 2008 | – | – | 1 | 1 |
| 2007 | – | – | 1 | 1 |
| 2006 | – | 2 | 1 | 3 |
| 2005 | – | 1 | – | 1 |
| 2004 | – | – | 1 | 1 |
