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GCSE OCR Biology

Complete revision notes and practice questions for OCR Gateway GCSE (9-1) Biology A (J247). Every topic, every tier — organised and ready to go.

J247Spec Code
2Papers
6Topics
Also available for: Edexcel AQA OCR CIE IGCSE Edexcel
Paper 1 Only
🔬
Topic B1: Cell Level Systems
4 sub-topics
Paper 1
B1.1
Cell Structures
Notes Practice
B1.2
What Happens in Cells
Notes Practice
B1.3
Respiration
Notes Practice
B1.4
Photosynthesis
Notes Practice
📈
Topic B2: Scaling Up
2 sub-topics
Paper 1
B2.1
Supplying the Cell
Notes Practice
B2.2
The Challenges of Size
Notes Practice
🧠
Topic B3: Organism Level Systems
3 sub-topics
Paper 1
B3.1
Coordination and Control - The Nervous System
Notes Practice
B3.2
Coordination and Control - The Endocrine System
Notes Practice
B3.3
Maintaining Internal Environments
Notes Practice
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Paper 2 Only
🌍
Topic B4: Community Level Systems
1 sub-topic
Paper 2
B4.1
Ecosystems
Notes Practice
🧬
Topic B5: Genes, Inheritance and Selection
2 sub-topics
Paper 2
B5.1
Inheritance
Notes Practice
B5.2
Natural Selection and Evolution
Notes Practice
🛡️
Topic B6: Global Challenges
3 sub-topics
Paper 2
B6.1
Monitoring and Maintaining the Environment
Notes Practice
B6.2
Feeding the Human Race
Notes Practice
B6.3
Monitoring and Maintaining Health
Notes Practice

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