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AQA GCSE Combined Science Biology Revision

Free revision notes, spec points, exam questions and quizzes for every topic in AQA GCSE Combined Science Biology. Tick off spec points as you go to track what you've covered.

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1. Cell biology

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  • 4.1.1.1Eukaryotes and prokaryotes
  • 4.1.1.2Animal and plant cells
  • RPA1Required Practical: Microscopy
  • 4.1.1.3Cell specialisation
  • 4.1.1.4Cell differentiation
  • 4.1.1.5Microscopy
  • 4.1.2.1Chromosomes
  • 4.1.2.2Mitosis and the cell cycle
  • 4.1.2.3Stem cells
  • 4.1.3.1Diffusion
  • 4.1.3.2Osmosis
  • RPA2Required Practical: Osmosis
  • 4.1.3.3Active transport

2. Organisation

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  • 4.2.1.0Principles of organisation
  • 4.2.2.1The human digestive system
  • RPA3Required Practical: Food Tests
  • RPA4Required Practical: Enzymes
  • 4.2.2.2The heart and blood vessels
  • 4.2.2.3Blood
  • 4.2.2.4Coronary heart disease: a non-communicable disease
  • 4.2.2.5Health issues
  • 4.2.2.6The effect of lifestyle on some non-communicable diseases
  • 4.2.2.7Cancer
  • 4.2.3.1Plant tissues
  • 4.2.3.2Plant organ system

3. Infection and response

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  • 4.3.1.1Communicable (infectious) diseases
  • 4.3.1.2Viral diseases
  • 4.3.1.3Bacterial diseases
  • 4.3.1.4Fungal diseases
  • 4.3.1.5Protist diseases
  • 4.3.1.6Human defence systems
  • 4.3.1.7Vaccination
  • 4.3.1.8Antibiotics and painkillers
  • 4.3.1.9Discovery and development of drugs

4. Bioenergetics

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  • 4.4.1.1Photosynthetic reaction
  • 4.4.1.2Rate of photosynthesis
  • RPA5Required Practical: Photosynthesis
  • 4.4.1.3Uses of glucose from photosynthesis
  • 4.4.2.1Aerobic and anaerobic respiration
  • 4.4.2.2Response to exercise
  • 4.4.2.3Metabolism

5. Homeostasis and response

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  • 4.5.1.0Homeostasis
  • 4.5.2.1The human nervous system
  • RPA6Required Practical: Reaction Time
  • 4.5.3.1Human endocrine system
  • 4.5.3.2Control of blood glucose concentration
  • 4.5.3.3Hormones in human reproduction
  • 4.5.3.4Contraception
  • 4.5.3.5The use of hormones to treat infertility (HT only)
  • 4.5.3.6Feedback systems (HT only)

6. Inheritance, variation and evolution

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  • 4.6.1.1Sexual and asexual reproduction
  • 4.6.1.2Meiosis
  • 4.6.1.3DNA and the genome
  • 4.6.1.4Genetic inheritance
  • 4.6.1.5Inherited disorders
  • 4.6.1.6Sex determination
  • 4.6.2.1Variation
  • 4.6.2.2Evolution
  • 4.6.2.3Selective breeding
  • 4.6.2.4Genetic engineering
  • 4.6.3.1Evidence for evolution
  • 4.6.3.2Fossils
  • 4.6.3.3Extinction
  • 4.6.3.4Resistant bacteria
  • 4.6.4.0Classification of living organisms

7. Ecology

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  • 4.7.1.1Communities
  • 4.7.1.2Abiotic factors
  • 4.7.1.3Biotic factors
  • 4.7.1.4Adaptations
  • 4.7.2.1Levels of organisation
  • RPA7Required Practical: Quadrats and Transects
  • 4.7.2.2How materials are cycled
  • 4.7.3.1Biodiversity
  • 4.7.3.2Waste management
  • 4.7.3.3Land use
  • 4.7.3.4Deforestation
  • 4.7.3.5Global warming
  • 4.7.3.6Maintaining biodiversity