9700/22/O/N/24 · Biology October/November 2024 Paper 22
6 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 8 marks · Triglycerides, Water, Xylem and phloem cells
- Question 2 · 17 marks · Prevention and control, Resolution and magnification, Prokaryotic cells, Fluid mosaic model, Gas exchange in the alveoli, Inhibitors
- Question 3 · 5 marks · DNA structure, Nucleotides, ATP and RNA
- Question 4 · 13 marks · The cell cycle, Stem cells and tumours, Chromosomes and telomeres, Phagocytes and antigens, Antibody structure
- Question 5 · 10 marks · Pathogens, Oxygen dissociation curve
- Question 6 · 7 marks · Water from soil to xylem, Diffusion, osmosis and active transport
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.