9700/22/F/M/22 · Biology February/March 2022 Paper 22
6 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 10 marks · Diffusion, osmosis and active transport, Water from soil to xylem, Transpiration
- Question 2 · 7 marks · Stages of mitosis, Chromosomes and telomeres, Stem cells and tumours
- Question 3 · 8 marks · Amino acids and protein structure, Measuring enzyme activity, Factors affecting rate, Vmax and Km
- Question 4 · 11 marks · Pathogens, Magnification calculations, Prokaryotic cells, Prevention and control, Immune responses
- Question 5 · 12 marks · Heart structure, Double circulation, Cardiac cycle, Carbon dioxide transport, Blood and tissue fluid, Functions of the tissues
- Question 6 · 12 marks · Nucleotides, ATP and RNA, DNA structure, Transcription and translation
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.