Free AQA GCSE Biology
Practice Questions

1,395 AQA GCSE Biology questions with instant feedback across 89 topics, every one accompanied by an examiner-style mark scheme. Start your first quiz in 30 seconds — no card required.

• Biodiversity and the impact of human activities on ecosystemsPractice📚 Notes
• Monoclonal antibodies and their usesPractice📚 Notes
• Cell organisation: tissues, organs and organ systemsPractice📚 Notes
• Communicable diseases: pathogens and transmissionPractice📚 Notes
• Cell division: meiosisPractice📚 Notes
• Evidence for evolution: fossils, antibiotic resistance and speciationPractice📚 Notes
• Trophic levels and biomass transferPractice📚 Notes
• OsmosisPractice📚 Notes
• Inheritance: dominant, recessive and codominant allelesPractice📚 Notes
• Vaccination and immunisationPractice📚 Notes
• Evolution by natural selectionPractice📚 Notes
• Photosynthesis: reaction, reactants and productsPractice📚 Notes
• Sustainable food productionPractice📚 Notes
• Conservation and maintaining biodiversityPractice📚 Notes
• Response to exercise and metabolismPractice📚 Notes
• Required practical: effect of pH on enzyme activityPractice📚 Notes
• The brain and its functionsPractice📚 Notes
• Blood and blood componentsPractice📚 Notes
• Cell structure and functionPractice📚 Notes
• Fertility treatments and use of hormonesPractice📚 Notes
• Enzymes and digestionPractice📚 Notes
• Maintaining water and nitrogen balance in the body (homeostasis principles)Practice📚 Notes
• The kidneys and osmoregulationPractice📚 Notes
• Abiotic and biotic factors affecting communitiesPractice📚 Notes
• The water cyclePractice📚 Notes
• Aerobic and anaerobic respirationPractice📚 Notes
• Hormonal control of the menstrual cyclePractice📚 Notes
• DiffusionPractice📚 Notes
• Stem cells and their usesPractice📚 Notes
• Required practical: plant responses (phototropism/gravitropism)Practice📚 Notes
• Classification of living organismsPractice📚 Notes
• Decomposition and the role of microorganismsPractice📚 Notes
• The eye: structure, function and vision defectsPractice📚 Notes
• Plant tissues, organs and systemsPractice📚 Notes
• Health, disease and the immune systemPractice📚 Notes
• Inherited disorders: polydactyly and cystic fibrosisPractice📚 Notes
• ATP and energy in biological processesPractice📚 Notes
• Mutations and their effectsPractice📚 Notes
• The nitrogen cyclePractice📚 Notes
• Differences between eukaryotic and prokaryotic cellsPractice📚 Notes
• Plant hormones: auxins, gibberellins and ethenePractice📚 Notes
• Microscopy and magnification calculationsPractice📚 Notes
• Food testsPractice📚 Notes
• ThermoregulationPractice📚 Notes
• Plant diseases and defencesPractice📚 Notes
• The human heart and blood vesselsPractice📚 Notes
• Sex determination and sex-linked inheritancePractice📚 Notes
• Required practical: effect of temperature on respiration in yeastPractice📚 Notes
• Contraception: hormonal and non-hormonal methodsPractice📚 Notes
• The eye: structure, function and focusingPractice📚 Notes
• The human digestive systemPractice📚 Notes
• Factors affecting the rate of photosynthesisPractice📚 Notes
• Coronary heart disease: treatments and preventionPractice📚 Notes
• Variation: genetic, environmental and combinationPractice📚 Notes
• Genetic engineering and GMOsPractice📚 Notes
• The nervous system and reflex arcsPractice📚 Notes
• Cloning: tissue culture, cuttings, embryo transplants and adult cell cloningPractice📚 Notes
• Required practical: effect of light intensity on photosynthesisPractice📚 Notes
• Required practical: microscopyPractice📚 Notes
• ADH and water balancePractice📚 Notes

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