9700/22/F/M/25 · Biology February/March 2025 Paper 22
6 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 15 marks · Resolution and magnification, Magnification calculations, Water from soil to xylem, Diffusion, osmosis and active transport, Water potential
- Question 2 · 9 marks · Monomers, polymers and glucose, Amino acids and protein structure, Fluid mosaic model
- Question 3 · 8 marks · Heart structure, Cardiac cycle
- Question 4 · 12 marks · Pathogens, Immune responses, Types of immunity, Antibiotics
- Question 5 · 10 marks · Prokaryotic cells, Transcription and translation, Inhibitors
- Question 6 · 6 marks · Stages of mitosis, Chromosomes and telomeres
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.