May/June 2023 Paper 21

What's in this paper

40 questions · 40 marks. Topics come from our question bank.

1. Q1Characteristics of living organisms1 mark
2. Q2Earlier syllabus topics, Movement into and out of cells1 mark
3. Q3Biological molecules1 mark
4. Q4Enzymes1 mark
5. Q5Earlier syllabus topics, Plant nutrition1 mark
6. Q6Earlier syllabus topics, Human nutrition1 mark
7. Q7Earlier syllabus topics, Transport in animals, Transport in plants1 mark
8. Q8Respiration1 mark
9. Q9Earlier syllabus topics, Coordination and response1 mark
10. Q10Earlier syllabus topics, Reproduction1 mark
11. Q11Inheritance1 mark
12. Q12Earlier syllabus topics, Organisms and their environment1 mark
13. Q13Earlier syllabus topics, Human influences on ecosystems1 mark
14. Q14Earlier syllabus topics, Experimental techniques and chemical analysis1 mark
15. Q15Atoms, elements and compounds, States of matter1 mark
16. Q16Atoms, elements and compounds1 mark
17. Q17Earlier syllabus topics, Stoichiometry1 mark
18. Q18Earlier syllabus topics, Electrochemistry1 mark
19. Q19Earlier syllabus topics, Chemical reactions1 mark
20. Q20Acids, bases and salts1 mark
21. Q21The Periodic Table1 mark
22. Q22Earlier syllabus topics, Chemistry of the environment1 mark
23. Q23Earlier syllabus topics, Chemistry of the environment1 mark
24. Q24Earlier syllabus topics, Sulfur1 mark
25. Q25Earlier syllabus topics, Carbonates1 mark
26. Q26Organic chemistry1 mark
27. Q27Earlier syllabus topics, Organic chemistry1 mark
28. Q28Motion, forces and energy1 mark
29. Q29Motion, forces and energy1 mark
30. Q30Earlier syllabus topics, Motion, forces and energy1 mark
31. Q31Earlier syllabus topics, Thermal physics1 mark
32. Q32Waves1 mark
33. Q33Earlier syllabus topics, Waves1 mark
34. Q34Waves1 mark
35. Q35Electricity and magnetism1 mark
36. Q36Electricity and magnetism1 mark
37. Q37Earlier syllabus topics, Electricity and magnetism1 mark
38. Q38Earlier syllabus topics, Electricity and magnetism1 mark
39. Q39Nuclear physics1 mark
40. Q40Nuclear physics1 mark