Biology 5090 · 13 Excretion
13.1 Excretion
Define excretion and identify carbon dioxide and urea as metabolic waste products.
- Questions
- 42
- Years
- 2004–2026
- Multiple choice
- 29
- Written answer
- 13
- Average marks
- 3.5
Where this subtopic appears
- Paper 1variants 01, 11, 1229
- Paper 2variants 02, 21, 2212
- Paper 6variants 611
Questions by year
| Year | May/June | Oct/Nov | Total |
|---|---|---|---|
| 2026 | 1 | – | 1 |
| 2023 | – | 1 | 1 |
| 2022 | – | 1 | 1 |
| 2021 | 2 | – | 2 |
| 2020 | 1 | 1 | 2 |
| 2019 | 3 | 1 | 4 |
| 2018 | – | 3 | 3 |
| 2017 | 1 | 1 | 2 |
| 2016 | 1 | – | 1 |
| 2015 | 1 | 1 | 2 |
| 2014 | – | 1 | 1 |
| 2013 | – | 4 | 4 |
| 2012 | 3 | – | 3 |
| 2011 | 2 | – | 2 |
| 2010 | – | 1 | 1 |
| 2008 | – | 3 | 3 |
| 2007 | 1 | 1 | 2 |
| 2005 | 3 | – | 3 |
| 2004 | 2 | 2 | 4 |
