OCR GCSE Biology revision

Syllabus coverage

Topics aligned to OCR GCSE Biology. Choose a topic to see explanations, worked examples and exam-style questions.

• Cell Biology

  • Cell Structure·
  • Microscopy·
  • Animal, Plant & Bacterial Cells·
  • Specialised Cells·
  • Cell Differentiation
  • +3 more

• Organisation

  • Organisation in Organisms·
  • Digestive System·
  • Enzymes·
  • The Heart & Circulatory System·
  • Blood Vessels & Blood
  • +2 more

• Infection & Response

  • Communicable Diseases·
  • Monoclonal Antibodies·
  • Human Defence Systems·
  • Vaccination·
  • Antibiotics & Painkillers
  • +1 more

• Bioenergetics

  • Photosynthesis·
  • Limiting Factors of Photosynthesis·
  • Respiration·
  • Aerobic & Anaerobic Respiration·
  • Exercise & Oxygen Debt

• Homeostasis & Response

  • Nervous System·
  • Reflex Actions·
  • The Brain & the Eye·
  • Hormonal Coordination·
  • Blood Glucose Control
  • +3 more

• Inheritance, Variation & Evolution

  • DNA & Genetics·
  • Chromosomes & Genes·
  • Genetic Inheritance·
  • Variation·
  • Genetic Disorders
  • +6 more

• Ecology

  • Ecosystems & Food Chains·
  • Adaptations & Interdependence·
  • Biodiversity·
  • Cycles in Ecosystems·
  • Sampling & Measuring Populations
  • +3 more