9700/22/O/N/22 · Biology October/November 2022 Paper 22
6 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 11 marks · Double circulation, Heart structure, Carbon dioxide transport
- Question 2 · 15 marks · Viruses, Graticules and units, DNA replication, Prokaryotic cells, The cell cycle, Immune responses
- Question 3 · 11 marks · Pathogens, Antibiotics, Prevention and control, Gene mutations
- Question 4 · 8 marks · Functions of the tissues, Structure of the gas exchange system
- Question 5 · 10 marks · Collagen, Diffusion, osmosis and active transport, Inhibitors
- Question 6 · 5 marks · Water, Translocation
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.