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Cambridge · O Level · Biology
October/November 2021 — Paper 1 · Variant 1.
40 multiple-choice questions · 40 marks
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Topics covered
- Mammalian nervous system
- Mineral nutrition
- Asexual and sexual reproduction
- Energy flow
- Nutrient cycles
- Disease
- Diffusion and osmosis
- Homeostasis
- Selection
- Human gas exchange
- Circulatory system
- DNA
- Photosynthesis
- Heart
- Inheritance
- Enzyme action
- Human digestive system
- Absorption and assimilation
- Blood vessels
- Diet
- Transpiration and translocation
- Features of organisms
- Specialised cells, tissues and organs
- Mammalian hormones
- Effects of humans on ecosystems
- Urinary system
- Sexual reproduction in humans
- Respiration
- Leaf structure
- Uptake and transport of water and ions
- Mammalian sense organs
- Genetic modification
- Cell structure and function
- Anaerobic respiration
Questions in this paper
- Q1Cell structure and functionMCQincludes a figure
- Q2Diffusion and osmosisMCQ
- Q3Diffusion and osmosisMCQincludes a figure
- Q4Enzyme actionMCQincludes a figure
- Q5PhotosynthesisMCQincludes a figure
- Q6Leaf structureMCQincludes a figure
- Q7Mineral nutritionMCQ
- Q8DietMCQincludes a figure
- Q9Human digestive systemMCQ
- Q10Absorption and assimilationMCQincludes a figure
- Q11Transpiration and translocationMCQincludes a figure
- Q12Uptake and transport of water and ionsMCQ
- Q13Blood vesselsMCQ
- Q14Circulatory systemMCQincludes a figure
- Q15HeartMCQincludes a figure
- Q16RespirationMCQ
- Q17Human gas exchangeMCQ
- Q18Human gas exchangeMCQincludes a figure
- Q19Urinary systemMCQ
- Q20HomeostasisMCQincludes a figure
- Q21Mammalian sense organsMCQincludes a figure
- Q22Mammalian nervous systemMCQincludes a figure
- Q23Mammalian hormonesMCQ
- Q24Specialised cells, tissues and organsMCQincludes a figure
- Q25Mammalian nervous systemMCQincludes a figure
- Q26Features of organismsMCQ
- Q27Anaerobic respirationMCQ
- Q28Energy flowMCQ
- Q29Nutrient cyclesMCQincludes a figure
- Q30Nutrient cyclesMCQincludes a figure
- Q31DiseaseMCQ
- Q32Effects of humans on ecosystemsMCQ
- Q33Asexual and sexual reproductionMCQ
- Q34Asexual and sexual reproductionMCQincludes a figure
- Q35Sexual reproduction in humansMCQincludes a figure
- Q36DiseaseMCQincludes a figure
- Q37DNAMCQ
- Q38InheritanceMCQ
- Q39SelectionMCQ
- Q40Genetic modificationMCQ
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