9700/22/O/N/20 · Biology October/November 2020 Paper 22
6 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 10 marks · Organelles, Water potential, Water from soil to xylem, Transpiration, Magnification calculations
- Question 2 · 13 marks · Antibiotics, Transcription and translation, Gene mutations
- Question 3 · 7 marks · Gas exchange tissues in micrographs, Arteries, veins and capillaries, Functions of the tissues
- Question 4 · 15 marks · Organelles, Resolution and magnification, Stages of mitosis, Immune responses
- Question 5 · 7 marks · Sugars and glycosidic bonds, How enzymes work, Immobilised enzymes
- Question 6 · 8 marks · Oxygen dissociation curve, Diffusion, osmosis and active transport
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.