Biology 0610 · 19 Organisms and their environment
19.2 Food chains and food webs
Construct food webs, describe trophic levels, interpret ecological pyramids, and explain energy transfer efficiency and human impacts.
- Questions
- 187
- Years
- 2015–2026
- Multiple choice
- 139
- Written answer
- 48
- Average marks
- 3.5
Practise organisms and their environment questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 1variants 11, 12, 1388
- Paper 2variants 21, 22, 2355
- Paper 3variants 31, 32, 3325
- Paper 4variants 41, 42, 4318
- Paper 6variants 611
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | 4 | 9 | – | 13 |
| 2023 | 4 | 9 | 9 | 22 |
| 2022 | 2 | 8 | 8 | 18 |
| 2021 | 2 | 10 | 2 | 14 |
| 2020 | – | 9 | – | 9 |
| 2019 | 1 | 8 | 6 | 15 |
| 2018 | 3 | 11 | 10 | 24 |
| 2017 | 2 | 10 | 14 | 26 |
| 2016 | 4 | 8 | 10 | 22 |
| 2015 | 5 | 13 | 6 | 24 |
