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Cambridge · O Level · Biology

October/November 2022 — Paper 2 · Variant 2.

29 structured questions · 90 marks

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Topics covered

  • Specialised cells, tissues and organs
  • Disease
  • Energy flow
  • Immunity
  • Heart
  • Photosynthesis
  • Diet
  • Sexual reproduction in plants
  • Effects of humans on ecosystems
  • Nuclear division
  • Leaf structure
  • Enzyme action
  • Diffusion and osmosis
  • Blood vessels
  • Biotechnology
  • Human digestive system
  • Transpiration and translocation
  • Cell structure and function
  • Variation

Questions in this paper

  • Q1Human digestive system5 marksincludes a figure
  • Q2a(i)Specialised cells, tissues and organs1 marksincludes a figure
  • Q2b(i)Enzyme action1 marks
  • Q2a(ii)Cell structure and function4 marksincludes a figure
  • Q2a(iii)Leaf structure1 marksincludes a figure
  • Q2b(ii)Diffusion and osmosis4 marks
  • Q3a(iii)Biotechnology1 marks
  • Q3b(ii)Diet2 marks
  • Q3a(ii)Nuclear division1 marks
  • Q3a(i)Biotechnology1 marksincludes a figure
  • Q3a(iv)Biotechnology2 marksincludes a figure
  • Q3b(i)Variation3 marks
  • Q4cImmunity4 marks
  • Q4b(i)Heart1 marksincludes a figure
  • Q4b(ii)Heart4 marksincludes a figure
  • Q4aBlood vessels2 marksincludes a figure
  • Q4b(iii)Heart3 marks
  • Q5b(ii)Effects of humans on ecosystems4 marks
  • Q5aEffects of humans on ecosystems3 marks
  • Q5b(i)Effects of humans on ecosystems3 marksincludes a figure
  • Q6aEnergy flow5 marksincludes a figure
  • Q6bEnergy flow5 marks
  • Q7b(ii)Sexual reproduction in plants4 marks
  • Q7b(i)Sexual reproduction in plants4 marks
  • Q7aSexual reproduction in plants2 marksincludes a figure
  • Q8aPhotosynthesis5 marks
  • Q8bTranspiration and translocation5 marks
  • Q9bDisease5 marks
  • Q9aEffects of humans on ecosystems5 marks

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