9700/22/M/J/25 · Biology May/June 2025 Paper 22
6 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 14 marks · Plant and animal cells, Water from soil to xylem, Organelles, Diffusion, osmosis and active transport
- Question 2 · 7 marks · Haemoglobin, Carbon dioxide transport
- Question 3 · 10 marks · Monomers, polymers and glucose, Sugars and glycosidic bonds, Starch, glycogen and cellulose, Translocation, Transcription and translation
- Question 4 · 12 marks · Pathogens, How diseases spread, Antibiotics, Gas exchange tissues in micrographs, Phagocytes and antigens
- Question 5 · 7 marks · Phagocytes and antigens, Stem cells and tumours, Double circulation
- Question 6 · 10 marks · Inhibitors, Genes and the genetic code, Monoclonal antibodies, Measuring enzyme activity
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.