Biology 0610 · 18 Variation and selection
18.1 Variation
Distinguish between continuous and discontinuous variation, describe mutations as genetic changes, and identify sources of genetic variation.
- Questions
- 126
- Years
- 2015–2026
- Multiple choice
- 97
- Written answer
- 29
- Average marks
- 3.2
Practise variation and selection questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 1variants 11, 12, 1357
- Paper 2variants 21, 22, 2340
- Paper 3variants 31, 32, 3314
- Paper 4variants 41, 42, 4313
- Paper 5variants 521
- Paper 6variants 621
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | 2 | 3 | – | 5 |
| 2023 | 2 | 8 | 9 | 19 |
| 2022 | 1 | 7 | 5 | 13 |
| 2021 | – | 7 | 8 | 15 |
| 2020 | – | 10 | – | 10 |
| 2019 | 2 | 5 | 7 | 14 |
| 2018 | 2 | 6 | 11 | 19 |
| 2017 | 2 | 7 | 6 | 15 |
| 2016 | – | 8 | 5 | 13 |
| 2015 | 1 | 2 | – | 3 |
