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Cambridge · O Level · Biology

May/June 2023 — Paper 1 · Variant 1.

40 multiple-choice questions · 40 marks

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Topics covered

  • Absorption and assimilation
  • Sexual reproduction in humans
  • Photosynthesis
  • Blood vessels
  • Coordination and response in plants
  • Active transport
  • Specialised cells, tissues and organs
  • Inheritance
  • Disease
  • Energy flow
  • Temperature control
  • Enzyme action
  • Aerobic respiration
  • Diffusion and osmosis
  • Nuclear division
  • Blood glucose control
  • Antibiotics
  • Features of organisms
  • Leaf structure
  • Biotechnology
  • Urinary system
  • Mammalian nervous system
  • Asexual and sexual reproduction
  • Human digestive system
  • Diet
  • Biological molecules
  • Immunity
  • Effects of humans on ecosystems
  • Uptake and transport of water and ions
  • Blood
  • Transpiration and translocation
  • Sexual reproduction in plants
  • Mammalian sense organs
  • Selection
  • Nutrient cycles
  • Anaerobic respiration
  • Human gas exchange

Questions in this paper

  • Q1Specialised cells, tissues and organsMCQ
  • Q2Features of organismsMCQ
  • Q3Diffusion and osmosisMCQ
  • Q4Active transportMCQincludes a figure
  • Q5Biological moleculesMCQ
  • Q6Enzyme actionMCQincludes a figure
  • Q7PhotosynthesisMCQincludes a figure
  • Q8Leaf structureMCQincludes a figure
  • Q9Uptake and transport of water and ionsMCQ
  • Q10Transpiration and translocationMCQ
  • Q11DietMCQ
  • Q12Human digestive systemMCQ
  • Q13Absorption and assimilationMCQincludes a figure
  • Q14Human gas exchangeMCQincludes a figure
  • Q15Aerobic respirationMCQ
  • Q16Anaerobic respirationMCQ
  • Q17Blood vesselsMCQ
  • Q18BloodMCQ
  • Q19DiseaseMCQ
  • Q20DiseaseMCQ
  • Q21AntibioticsMCQ
  • Q22ImmunityMCQ
  • Q23Urinary systemMCQ
  • Q24Mammalian nervous systemMCQincludes a figure
  • Q25Mammalian sense organsMCQincludes a figure
  • Q26Temperature controlMCQ
  • Q27Blood glucose controlMCQ
  • Q28Coordination and response in plantsMCQ
  • Q29Nuclear divisionMCQincludes a figure
  • Q30Asexual and sexual reproductionMCQ
  • Q31Sexual reproduction in plantsMCQincludes a figure
  • Q32Sexual reproduction in humansMCQincludes a figure
  • Q33Sexual reproduction in humansMCQincludes a figure
  • Q34SelectionMCQ
  • Q35InheritanceMCQ
  • Q36BiotechnologyMCQincludes a figure
  • Q37Energy flowMCQincludes a figure
  • Q38Nutrient cyclesMCQincludes a figure
  • Q39Effects of humans on ecosystemsMCQ
  • Q40Effects of humans on ecosystemsMCQ

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