Biology past papers

9700/12/O/N/21 · Biology October/November 2021 Paper 12

39 questions, 39 marks. Each one links to its official mark scheme.

1. Question 1 · 1 mark · Magnification calculations
2. Question 2 · 1 mark · Graticules and units
3. Question 3 · 1 mark · Organelles
4. Question 4 · 1 mark · Organelles
5. Question 5 · 1 mark · Organelles
6. Question 6 · 1 mark · Prokaryotic cells
7. Question 7 · 1 mark · Food tests
8. Question 8 · 1 mark · Monomers, polymers and glucose
9. Question 9 · 1 mark · Starch, glycogen and cellulose
10. Question 10 · 1 mark · Starch, glycogen and cellulose
11. Question 11 · 1 mark · Amino acids and protein structure
12. Question 12 · 1 mark · Amino acids and protein structure
13. Question 13 · 1 mark · Amino acids and protein structure
14. Question 14 · 1 mark · How enzymes work
15. Question 15 · 1 mark · Inhibitors
16. Question 16 · 1 mark · Diffusion, osmosis and active transport
17. Question 17 · 1 mark · Surface area to volume ratio
18. Question 18 · 1 mark · Chromosomes and telomeres
19. Question 19 · 1 mark · Chromosomes and telomeres
20. Question 20 · 1 mark · Stages of mitosis
21. Question 21 · 1 mark · Stem cells and tumours
22. Question 22 · 1 mark · DNA structure
23. Question 23 · 1 mark · Gene mutations
24. Question 24 · 1 mark · Xylem and phloem cells
25. Question 25 · 1 mark · Water from soil to xylem
26. Question 26 · 1 mark · Transpiration
27. Question 27 · 1 mark · Translocation
28. Question 28 · 1 mark · Cardiac cycle
29. Question 29 · 1 mark · Cardiac cycle
30. Question 30 · 1 mark · Blood and tissue fluid
31. Question 31 · 1 mark · Carbon dioxide transport
32. Question 32 · 1 mark · Oxygen dissociation curve
33. Question 33 · 1 mark · Gas exchange tissues in micrographs
34. Question 34 · 1 mark · Structure of the gas exchange system
35. Question 35 · 1 mark · Functions of the tissues
36. Question 37 · 1 mark · Prevention and control
37. Question 38 · 1 mark · Prevention and control
38. Question 39 · 1 mark · Pathogens
39. Question 40 · 1 mark · Immune responses

Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.