Human influences on ecosystems · Cambridge IGCSE 0610
20.3 Pollution
20.3 Pollution appeared in 6 of the 6 years from 2020–2025, worth 509 marks across 101 questions — about 5.04 marks each.
Based on 250 real Cambridge past papers, 2020–2025.
Questions per year
How many Biology questions tagged to this topic appeared each year.
- 202022
- 202119
- 202212
- 202314
- 202417
- 202517
Appearance history
- Most recent
- 2025
- First in range
- 2020
- Years since last
- 0
- Longest gap
- 0 years
Historical occurrence only — not an exam prediction.
Related topics
Topics that most often share a question with this one.
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