9700/23/M/J/22 · Biology May/June 2022 Paper 23
6 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 9 marks · Structure of the gas exchange system, Double circulation, Gas exchange tissues in micrographs
- Question 2 · 10 marks · Prokaryotic cells, Water potential, Starch, glycogen and cellulose, Organelles, Plant and animal cells
- Question 3 · 11 marks · Xerophytes, Stem cells and tumours, Diffusion, osmosis and active transport, Water from soil to xylem
- Question 4 · 13 marks · Magnification calculations, Pathogens, How diseases spread, Transcription and translation, Monoclonal antibodies
- Question 5 · 12 marks · How enzymes work, Inhibitors, Genes and the genetic code, Stem cells and tumours, Fluid mosaic model
- Question 6 · 5 marks · Cardiac cycle
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.