Respiration · Cambridge O Level 5090
10.3 Anaerobic respiration
10.3 Anaerobic respiration appeared in 6 of the 6 years from 2020–2025, worth 165 marks across 40 questions — about 4.12 marks each.
Based on 84 real Cambridge past papers, 2020–2025.
Questions per year
How many Biology questions tagged to this topic appeared each year.
- 20207
- 20213
- 20229
- 20238
- 20244
- 20259
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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