Edexcel GCSE Biology
Explore your course, one topic at a time.
Course version · Pearson-GCSE-BiologyVersion from Mar 2026Change version
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Explore your topics
9 topics
Course topics9 topics
- Topic 9 – Ecosystems and material cycles
- Topic 2 – Cells and control
- Topic 8 – Exchange and transport in animals
- Topic 4 – Natural selection and genetic modification
- Topic 3 – Genetics
- Topic 1 – Key concepts in biology
- Topic 6 – Plant structures and their functions
- Topic 7 – Animal coordination, control and homeostasis
- Topic 5 – Health, disease and the development of medicines
Assessment and exam guidance
What Gets Top Grades
Knowledge & Understanding
Demonstrates comprehensive and accurate knowledge
- Uses correct subject-specific terminology
- Shows detailed understanding of concepts
- Makes accurate connections between topics
- Demonstrates depth beyond surface-level knowledge
Application
Applies knowledge effectively to new contexts
- Selects relevant knowledge for the question
- Adapts understanding to unfamiliar scenarios
- Uses examples appropriately
- Shows awareness of context
Analysis & Evaluation
Develops sophisticated analytical arguments
- Constructs logical chains of reasoning
- Considers multiple perspectives
- Weighs evidence to reach justified conclusions
- Acknowledges limitations and nuances
Key Command Words
Give a single fact or term
Name, select, or recognise
Set out main features briefly
Give an account of what something is like or what happens
Give reasons with developed cause→effect chains
State similarities AND differences (both required)
Examine in detail showing cause→effect→consequence chains
Weigh up BOTH sides, reach JUSTIFIED conclusion
Make judgments about importance with justification
Show formula→substitution→calculation→answer with units
Tips and common mistakes
Common Exam Mistakes
Pitfalls to avoid in your exams
- •Confusing communicable and non-communicable diseases
- •Assuming antibiotics can kill viruses
- •Misunderstanding the role of memory lymphocytes in secondary immune response
- •Incorrectly calculating BMI or waist:hip ratios
- •Failing to describe aseptic techniques correctly in microbial culture investigations
- •Confusing communicable and non-communicable diseases
- •Assuming antibiotics can kill viruses
- •Misunderstanding the role of memory lymphocytes in secondary immune response
Top Examiner Tips
Expert advice for exam success
- •Ensure you can distinguish between the lytic and lysogenic pathways of viruses
- •Be prepared to calculate cross-sectional areas of bacterial cultures using pi*r^2
- •Understand the ethical and practical implications of using monoclonal antibodies
- •Know the specific physical and chemical barriers of the human body
- •Be able to evaluate treatments for cardiovascular disease
- •Ensure you can distinguish between the lytic and lysogenic pathways of viruses
- •Be prepared to calculate cross-sectional areas of bacterial cultures using pi*r^2
- •Understand the ethical and practical implications of using monoclonal antibodies
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