GCSE OCR Biology A (Gateway)
In short
GCSE OCR Biology A (Gateway) has 6 topics: Cell Level Systems, Scaling Up, Organism Level Systems and 3 more. Each topic lists its topics in syllabus order. Start with Cell Level Systems or jump to the topic you are revising.
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What topics are in GCSE OCR Biology A (Gateway)?
Cell Structures
- Microscopy
- Prokaryotic and eukaryotic cells
What Happens in Cells
- DNA structure
- Protein synthesis
- Enzymes
Respiration and Photosynthesis
- Aerobic and anaerobic respiration
- Photosynthesis
- Limiting factors
Supplying the Cell
- Diffusion, osmosis and active transport
- Mitosis
- Stem cells
The Challenges of Size
- Exchange surfaces
- The circulatory system
- Transport in plants
The Nervous System
- Neurones
- Reflexes
- The brain and the eye
The Endocrine System
- Hormones
- Hormones in reproduction
- Plant hormones
Maintaining Internal Environments
- Thermoregulation
- Blood glucose
- Water balance
Ecosystems
- Interdependence
- Material cycles
- Decomposition
Biodiversity
- Measuring biodiversity
- Human impact
Inheritance
- Genes and alleles
- Genetic crosses
- Sex determination
Natural Selection and Evolution
- Variation
- Evolution
- Classification
Monitoring the Environment
- Sampling techniques
- Conservation
Feeding the Human Race
- Food security
- Selective breeding and GM
Monitoring and Maintaining Health
- Communicable disease
- The immune system
- Non-communicable disease
How should you use these resources?
Revise
Work through your course topic by topic, in the order it is taught, so nothing gets missed.
Test yourself
Check each topic against what you should be able to do, and practise on exam-style questions as they are added.
Improve
Go back to what you could not do, or work with a tutor to close the gaps before your exams.
GCSE OCR Biology A (Gateway): common questions
What topics are in GCSE OCR Biology A (Gateway)?
GCSE OCR Biology A (Gateway) has 6 topics: Topic 1: Cell Level Systems; Topic 2: Scaling Up; Topic 3: Organism Level Systems; Topic 4: Community Level Systems; Topic 5: Genes, Inheritance and Evolution; Topic 6: Global Challenges.
How should I revise GCSE OCR Biology A (Gateway)?
Work through one topic at a time in order, since later topics build on earlier ones. For each topic, check you can do everything on its list before moving on, and go back to the ones you could not.
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