9700/23/O/N/21 · Biology October/November 2021 Paper 23
6 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 9 marks · Transcription and translation, Haemoglobin
- Question 2 · 8 marks · Measuring enzyme activity, Inhibitors, Factors affecting rate
- Question 3 · 11 marks · Blood cells, Blood and tissue fluid, Oxygen dissociation curve
- Question 4 · 10 marks · Starch, glycogen and cellulose, Fluid mosaic model, Diffusion, osmosis and active transport, Transpiration
- Question 5 · 11 marks · Prevention and control, Vaccination
- Question 6 · 11 marks · Collagen, Organelles, Functions of the tissues, The cell cycle
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.