0653 · IGCSE · B5
Enzymes
188 real Combined Science questions on Enzymes, 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 188- Question 40653/11 · Oct/Nov 20251 mark
- Question 50653/13 · Oct/Nov 20251 mark
- Question 50653/12 · Oct/Nov 20251 mark
- Question 80653/11 · Oct/Nov 20251 mark
- Question 30653/23 · Oct/Nov 20251 mark
- Question 40653/21 · Oct/Nov 20251 mark
- Question 40653/22 · Oct/Nov 20251 mark
- Question 60653/23 · Oct/Nov 20251 mark
- Question 80653/22 · Oct/Nov 20251 mark
- Question 10653/43 · Oct/Nov 2025
- Question 10653/61 · Oct/Nov 2025
- Question 40653/13 · May/June 20251 mark
- Question 50653/11 · May/June 20251 mark
- Question 50653/12 · May/June 20251 mark
- Question 60653/12 · May/June 20251 mark
- Question 30653/21 · May/June 20251 mark
- Question 50653/23 · May/June 20251 mark
- Question 50653/22 · May/June 20251 mark
- Question 90653/23 · May/June 20251 mark
- Question 10653/41 · May/June 2025
- Question 20653/61 · May/June 2025
- Question 40653/12 · Feb/March 20251 mark
- Question 40653/22 · Feb/March 20251 mark
- Question 60653/22 · Feb/March 20251 mark
- Question 30653/11 · Oct/Nov 20241 mark
- Question 30653/23 · Oct/Nov 20241 mark
- Question 40653/22 · Oct/Nov 20241 mark
- Question 60653/21 · Oct/Nov 20241 mark
- Question 10653/32 · Oct/Nov 2024
- Question 10653/33 · Oct/Nov 2024
- Question 40653/43 · Oct/Nov 2024
- Question 70653/41 · Oct/Nov 2024
- Question 70653/42 · Oct/Nov 2024
- Question 30653/12 · May/June 20241 mark
- Question 40653/11 · May/June 20241 mark
- Question 20653/21 · May/June 20241 mark
- Question 30653/22 · May/June 20241 mark
- Question 10653/42 · May/June 2024
- Question 40653/43 · May/June 2024
- Question 10653/62 · May/June 2024
- Question 10653/61 · May/June 2024
- Question 40653/12 · Feb/March 20241 mark
- Question 40653/22 · Feb/March 20241 mark
- Question 60653/22 · Feb/March 20241 mark
- Question 10653/42 · Feb/March 2024
- Question 30653/13 · Oct/Nov 20231 mark
- Question 40653/21 · Oct/Nov 20231 mark
- Question 60653/21 · Oct/Nov 20231 mark
- Question 70653/32 · Oct/Nov 2023
- Question 10653/41 · Oct/Nov 2023
The full set of 188 questions, with older series and topic drills, lives in the app.
Drill Enzymes properly.
Tick Enzymes 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.