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Cambridge · O Level · Biology

May/June 2022 — Paper 2 · Variant 1.

30 structured questions · 90 marks

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The mark scheme comes with the Biology course.

Topics covered

  • Aerobic respiration
  • Energy flow
  • Coordination and control
  • Temperature control
  • Disease
  • Human gas exchange
  • Uptake and transport of water and ions
  • Mammalian hormones
  • Diffusion and osmosis
  • Human digestive system
  • Enzyme action
  • Anaerobic respiration
  • Transpiration and translocation
  • Effects of humans on ecosystems
  • Leaf structure
  • Sexual reproduction in plants
  • Asexual and sexual reproduction
  • Cell structure and function
  • Nutrient cycles
  • Circulatory system
  • Absorption and assimilation

Questions in this paper

  • Q1a(i)Temperature control2 marksincludes a figure
  • Q1a(ii)Temperature control3 marksincludes a figure
  • Q1bTemperature control3 marksincludes a figure
  • Q1cTemperature control2 marksincludes a figure
  • Q2b(ii)Aerobic respiration1 marksincludes a figure
  • Q2b(i)Aerobic respiration2 marks
  • Q2a(i)Human gas exchange4 marks
  • Q2b(iii)Anaerobic respiration3 marksincludes a figure
  • Q2b(iv)Aerobic respiration2 marksincludes a figure
  • Q2a(ii)Circulatory system2 marks
  • Q3bUptake and transport of water and ions4 marks
  • Q3a(i)Transpiration and translocation3 marksincludes a figure
  • Q3cSexual reproduction in plants5 marks
  • Q3a(ii)Asexual and sexual reproduction2 marks
  • Q4aAbsorption and assimilation2 marks
  • Q4bEnzyme action3 marks
  • Q5bEnergy flow1 marks
  • Q5a(i)Leaf structure1 marksincludes a figure
  • Q5a(iii)Leaf structure3 marksincludes a figure
  • Q5a(ii)Leaf structure2 marksincludes a figure
  • Q6b(ii)Disease3 marks
  • Q6aCell structure and function4 marks
  • Q6b(i)Disease3 marks
  • Q7a(ii)Diffusion and osmosis4 marksincludes a figure
  • Q7bHuman digestive system5 marks
  • Q7a(i)Human digestive system1 marksincludes a figure
  • Q8aCoordination and control4 marks
  • Q8bMammalian hormones6 marks
  • Q9aNutrient cycles5 marks
  • Q9bEffects of humans on ecosystems5 marks

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