0653 · IGCSE · B12
Respiration
191 real Combined Science questions on Respiration, drawn from past series. Open one to see the genuine paper, then sign in free to get it marked point by point.
Questions
newest 50 of 191- Question 100653/13 · Oct/Nov 20251 mark
- Question 100653/11 · Oct/Nov 20251 mark
- Question 100653/12 · Oct/Nov 20251 mark
- Question 80653/23 · Oct/Nov 20251 mark
- Question 100653/21 · Oct/Nov 20251 mark
- Question 120653/22 · Oct/Nov 20251 mark
- Question 20653/42 · Oct/Nov 2025
- Question 10653/63 · Oct/Nov 2025
- Question 90653/12 · May/June 20251 mark
- Question 100653/11 · May/June 20251 mark
- Question 120653/12 · May/June 20251 mark
- Question 130653/13 · May/June 20251 mark
- Question 10653/22 · May/June 20251 mark
- Question 60653/23 · May/June 20251 mark
- Question 60653/22 · May/June 20251 mark
- Question 80653/21 · May/June 20251 mark
- Question 110653/22 · May/June 20251 mark
- Question 30653/43 · May/June 2025
- Question 10653/12 · Feb/March 20251 mark
- Question 100653/22 · Feb/March 20251 mark
- Question 10653/11 · Oct/Nov 20241 mark
- Question 80653/11 · Oct/Nov 20241 mark
- Question 80653/23 · Oct/Nov 20241 mark
- Question 90653/22 · Oct/Nov 20241 mark
- Question 90653/21 · Oct/Nov 20241 mark
- Question 130653/21 · Oct/Nov 20241 mark
- Question 40653/32 · Oct/Nov 2024
- Question 40653/33 · Oct/Nov 2024
- Question 80653/11 · May/June 20241 mark
- Question 90653/12 · May/June 20241 mark
- Question 60653/21 · May/June 20241 mark
- Question 70653/21 · May/June 20241 mark
- Question 90653/23 · May/June 20241 mark
- Question 20653/63 · May/June 2024
- Question 130653/12 · Feb/March 20241 mark
- Question 80653/22 · Feb/March 20241 mark
- Question 80653/13 · Oct/Nov 20231 mark
- Question 80653/12 · Oct/Nov 20231 mark
- Question 130653/11 · Oct/Nov 20231 mark
- Question 250653/11 · Oct/Nov 20231 mark
- Question 120653/23 · Oct/Nov 20231 mark
- Question 70653/31 · Oct/Nov 2023
- Question 40653/41 · Oct/Nov 2023
- Question 80653/12 · May/June 20231 mark
- Question 80653/13 · May/June 20231 mark
- Question 90653/11 · May/June 20231 mark
- Question 130653/13 · May/June 20231 mark
- Question 10653/21 · May/June 20231 mark
- Question 80653/23 · May/June 20231 mark
- Question 90653/22 · May/June 20231 mark
The full set of 191 questions, with older series and topic drills, lives in the app.
Drill Respiration properly.
Tick Respiration in the app and it builds a drill from these exact questions, marked as you answer, with every lost mark explained against the official scheme.
5 marked answers a day, free. No card.