9700/22/F/M/20 · Biology February/March 2020 Paper 22
6 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 7 marks · Xylem and phloem cells, Translocation
- Question 2 · 10 marks · Factors affecting rate, Triglycerides, Fluid mosaic model
- Question 3 · 12 marks · Double circulation, Cardiac cycle, Transcription and translation, Haemoglobin, Oxygen dissociation curve
- Question 4 · 7 marks · Structure of the gas exchange system, The cell cycle
- Question 5 · 11 marks · Pathogens, Immune responses, Prevention and control
- Question 6 · 13 marks · Water potential, Resolution and magnification, Magnification calculations, Diffusion, osmosis and active transport, Fluid mosaic model, Factors affecting rate
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.