OCR A Level Biology MCQs

3,000+ multiple choice questions across 85 topics to test your knowledge.

Reading notes isn’t enough. Test your recall of essential content with our OCR A Level Biology MCQ’s, with instant marking to identify gaps in your knowledge.

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  • 3,000+ multiple choice questions
  • Organised by topic
  • Auto-marked – see your scores instantly
  • Track which topics need more work
  • Fully aligned to OCR A specification
  • Online access – any device, anytime

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Individual topics from £1.99. Save over 80% with year bundle.

Year 12 MCQs Bundle
  1. MCQs: Microscopy — £2.99
  2. MCQs: Using Microscopes — £2.99
  3. MCQs: Microscopy Calculations — £1.99
  4. MCQs: Preparing Microscope Slides — £2.99
  5. MCQs: Eukaryotic Cell Structure — £3.99
  6. MCQs: Prokaryotic Cell Structure — £3.99
  7. MCQs: Interpreting Micrographs — £1.99
  8. MCQs: Comparing Eukaryotic and Prokaryotic Cells — £1.99
  9. MCQs: Organelle Involvement in Protein Synthesis — £3.99
  10. MCQs: Water — £2.99
  11. MCQs: Introduction to Macromolecules — £2.99
  12. MCQs: Carbohydrates — £3.99
  13. MCQs: Lipids — £2.99
  14. MCQs: Proteins — £3.99
  15. MCQs: Inorganic Ions — £2.99
  16. MCQs: Chemical Tests for Biomolecules — £3.99
  17. MCQs: Colorimetry — £2.99
  18. MCQs: Chromatography — £2.99
  19. MCQs: Nucleotides and Nucleic Acids — £2.99
  20. MCQs: DNA Replication — Original price was: £3.99.Current price is: £0.00.
  21. MCQs: Genetic Code — £2.99
  22. MCQs: Protein Synthesis — £3.99
  23. MCQs: Enzymes — £3.99
  24. MCQs: Cofactors and Inhibitors — £2.99
  25. MCQs: Factors Affecting Enzyme Activity — £2.99
  26. MCQs: Biological Membranes — £3.99
  27. MCQs: Transport Across Membranes — £2.99
  28. MCQs: Water Potential and Osmosis — £2.99
  29. MCQs: Eukaryotic Cell Cycle — £3.99
  30. MCQs: Mitosis and Cytokinesis — £3.99
  31. MCQs: Meiosis — £3.99
  32. MCQs: Stem Cells — £2.99
  33. MCQs: Organisation in Animals — £2.99
  34. MCQs: Organisation in Plants — £2.99
  1. MCQs: Exchange Surfaces — £2.99
  2. MCQs: Observing Exchange Surfaces — £1.99
  3. MCQs: Mammalian Gaseous Exchange System — £2.99
  4. MCQs: Mammalian Ventilation — £2.99
  5. MCQs: Oxygen Uptake in Mammals — £1.99
  6. MCQs: Measuring Oxygen Uptake in Mammals — £1.99
  7. MCQs: Ventilation and Gas Exchange in Gills — £2.99
  8. MCQs: Ventilation and Gas Exchange in Insects — £3.99
  9. MCQs: Comparing Gas Exchange Systems — £2.99
  10. MCQs: Transport Systems in Animals — £2.99
  11. MCQs: Blood Vessels — £1.99
  12. MCQs: The Heart — £2.99
  13. MCQs: Coordination of the Cardiac Cycle — £3.99
  14. MCQs: Erythrocytes and Oxygen Transport — £2.99
  15. MCQs: Carbon Dioxide — £3.99
  16. MCQs: Tissue Fluid Formation — £2.99
  17. MCQs: The Need for Transport Systems in Plants — £1.99
  18. MCQs: Plant Vascular Systems — £2.99
  19. MCQs: Interpreting Photomicrographs of Plant Tissue — £1.99
  20. MCQs: Plant Transport of Water — £2.99
  21. MCQs: Plant Adaptations to Water — £3.99
  22. MCQs: Translocation — £3.99
  1. MCQs: Communicable Diseases — £2.99
  2. MCQs: Plant Defences Against Pathogens — £2.99
  3. MCQs: Non-Specific Defences in Animals — £2.99
  4. MCQs: Introduction to White Blood Cells — £1.99
  5. MCQs: Secondary Defences — £3.99
  6. MCQs: B and T Lymphocytes — £2.99
  7. MCQs: The Primary and Secondary Immune Response — £1.99
  8. MCQs: Immunity — £1.99
  9. MCQs: Antibodies — £2.99
  10. MCQs: Autoimmune Diseases — £1.99
  11. MCQs: Vaccination and Epidemics — £1.99
  12. MCQs: Developing New Medicines — £1.99
  13. MCQs: Antibiotics and Their Use — £1.99
  14. MCQs: Biodiversity — £2.99
  15. MCQs: Human Impact on Biodiversity — £1.99
  16. MCQs: Conserving Biodiversity — £2.99
  17. MCQs: Conservation Agreements — £1.99
  18. MCQs: Measuring Biodiversity — £3.99
  19. MCQs: Calculating Biodiversity — £1.99
  20. MCQs: Measuring Genetic Biodiversity — £2.99
  21. MCQs: Variation — £2.99
  22. MCQs: Causes of Variation — £1.99
  23. MCQs: Adaptations — £1.99
  24. MCQs: Natural Selection — £2.99
  25. MCQs: Evolution and Speciation — £2.99
  26. MCQs: Evidence for Natural Selection — £2.99
  27. MCQs: Charles Darwin and Alfred Russel Wallace — £2.99
  28. MCQs: Classification — £2.99
  29. MCQs: Phylogenetics — £1.99

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Quick note: All resources are for personal use only. Please don’t redistribute or resell. Content is accurate as of 2026 but always refer to the official OCR specification.