9700/22/M/J/21 · Biology May/June 2021 Paper 22
6 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 8 marks · Stages of mitosis, Plant and animal cells, DNA replication
- Question 2 · 7 marks · Translocation, Xylem and phloem cells
- Question 3 · 15 marks · Blood and tissue fluid, Diffusion, osmosis and active transport, Cell signalling, Organelles, Transcription and translation, Amino acids and protein structure
- Question 4 · 10 marks · Surface area to volume ratio, Gas exchange in the alveoli, Double circulation
- Question 5 · 11 marks · Organelles, Diffusion, osmosis and active transport, Factors affecting rate, Vmax and Km
- Question 6 · 9 marks · Vaccination, Antibiotics, Prevention and control
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.