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Cambridge · O Level · Biology

October/November 2022 — Paper 2 · Variant 1.

29 structured questions · 90 marks

Download question paper (PDF)Mark scheme — for enrolled students

The mark scheme comes with the Biology course.

Topics covered

  • Mammalian sense organs
  • Urinary system
  • Variation
  • Enzyme action
  • Transpiration and translocation
  • Blood
  • Asexual and sexual reproduction
  • Mammalian nervous system
  • Inheritance
  • Biotechnology
  • Diet
  • Leaf structure
  • Respiration
  • Sexual reproduction in humans
  • Effects of humans on ecosystems
  • Coordination and control
  • Cell structure and function
  • Anaerobic respiration
  • Effects of temperature and pH
  • Relationships of organisms with one another and with the environment

Questions in this paper

  • Q1bUrinary system3 marksincludes a figure
  • Q1aUrinary system2 marksincludes a figure
  • Q2b(ii)Asexual and sexual reproduction3 marks
  • Q2cEffects of humans on ecosystems3 marks
  • Q2d(ii)Relationships of organisms with one another and with the environment1 marks
  • Q2d(iii)Biotechnology2 marks
  • Q2b(i)Variation2 marks
  • Q2aTranspiration and translocation5 marks
  • Q2d(i)Cell structure and function2 marks
  • Q3a(i)Inheritance2 marks
  • Q3bSexual reproduction in humans4 marksincludes a figure
  • Q3a(ii)Inheritance4 marks
  • Q4a(i)Enzyme action2 marks
  • Q4a(ii)Enzyme action2 marks
  • Q4a(iii)Enzyme action2 marks
  • Q4b(i)Effects of temperature and pH4 marksincludes a figure
  • Q4b(ii)Effects of humans on ecosystems2 marks
  • Q5b(ii)Anaerobic respiration2 marks
  • Q5aCoordination and control2 marksincludes a figure
  • Q5b(i)Respiration1 marks
  • Q6a(i)Leaf structure1 marksincludes a figure
  • Q6bTranspiration and translocation3 marks
  • Q6a(ii)Transpiration and translocation6 marksincludes a figure
  • Q7bMammalian sense organs5 marksincludes a figure
  • Q7aMammalian nervous system5 marks
  • Q8bDiet6 marks
  • Q8aDiet4 marks
  • Q9bBlood5 marks
  • Q9aBlood5 marks

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