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Cambridge · O Level · Biology

May/June 2023 — Paper 1 · Variant 2.

40 multiple-choice questions · 40 marks

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Topics covered

  • Disease
  • Circulatory system
  • Antibiotics
  • Sexual reproduction in plants
  • Coordination and response in plants
  • Immunity
  • Diffusion and osmosis
  • Biotechnology
  • Energy flow
  • Effects of temperature and pH
  • Cell structure and function
  • Effects of humans on ecosystems
  • Urinary system
  • Features of organisms
  • Nuclear division
  • Human digestive system
  • Ecosystems and biodiversity
  • Sexual reproduction in humans
  • Aerobic respiration
  • Anaerobic respiration
  • Mineral nutrition
  • Mammalian nervous system
  • Nutrient cycles
  • Blood glucose control
  • Inheritance
  • Biological molecules
  • Respiration
  • Uptake and transport of water and ions
  • Transpiration and translocation
  • Mammalian sense organs
  • Leaf structure
  • Heart
  • Absorption and assimilation
  • Asexual and sexual reproduction
  • DNA
  • Diet

Questions in this paper

  • Q1Cell structure and functionMCQ
  • Q2Features of organismsMCQincludes a figure
  • Q3Diffusion and osmosisMCQ
  • Q4Diffusion and osmosisMCQ
  • Q5Biological moleculesMCQ
  • Q6Effects of temperature and pHMCQincludes a figure
  • Q7Leaf structureMCQincludes a figure
  • Q8Mineral nutritionMCQ
  • Q9Uptake and transport of water and ionsMCQ
  • Q10Transpiration and translocationMCQincludes a figure
  • Q11DietMCQ
  • Q12Human digestive systemMCQ
  • Q13Absorption and assimilationMCQ
  • Q14RespirationMCQ
  • Q15Anaerobic respirationMCQ
  • Q16Aerobic respirationMCQ
  • Q17HeartMCQ
  • Q18Circulatory systemMCQincludes a figure
  • Q19DiseaseMCQincludes a figure
  • Q20DiseaseMCQincludes a figure
  • Q21AntibioticsMCQ
  • Q22ImmunityMCQ
  • Q23Urinary systemMCQincludes a figure
  • Q24Mammalian nervous systemMCQ
  • Q25Mammalian sense organsMCQincludes a figure
  • Q26Blood glucose controlMCQincludes a figure
  • Q27Blood glucose controlMCQ
  • Q28Coordination and response in plantsMCQ
  • Q29Nuclear divisionMCQincludes a figure
  • Q30Asexual and sexual reproductionMCQ
  • Q31Sexual reproduction in plantsMCQ
  • Q32Sexual reproduction in humansMCQincludes a figure
  • Q33Sexual reproduction in humansMCQ
  • Q34DNAMCQ
  • Q35InheritanceMCQ
  • Q36BiotechnologyMCQincludes a figure
  • Q37Energy flowMCQincludes a figure
  • Q38Nutrient cyclesMCQincludes a figure
  • Q39Ecosystems and biodiversityMCQ
  • Q40Effects of humans on ecosystemsMCQ

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