May/June 2025 Paper 42

What's in this paper

6 questions · 80 marks. Topics come from our question bank.

1. Q1Gas exchange in humans, Diseases and immunity, Inheritance20 marks
2. Q2Diseases and immunity, Transport in animals14 marks
3. Q3Biotechnology and genetic modification, Inheritance15 marks
4. Q4Variation and selection10 marks
5. Q5Transport in plants, Organisms and their environment11 marks
6. Q6Enzymes10 marks