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Biology past papers

9700/23/O/N/22 · Biology October/November 2022 Paper 23

6 questions, 60 marks. Each one links to its official mark scheme.

  1. Question 1 · 12 marks · Amino acids and protein structure, Transcription and translation
  2. Question 2 · 14 marks · Phagocytes and antigens, Organelles, Prevention and control
  3. Question 3 · 7 marks · Transpiration
  4. Question 4 · 11 marks · Stages of mitosis, The cell cycle
  5. Question 5 · 12 marks · Cell signalling, Arteries, veins and capillaries, Gene mutations, Genes and the genetic code
  6. Question 6 · 4 marks · Fluid mosaic model, Carbon dioxide transport

Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.