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AQA GCSE Biology Past Papers
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Navigator’s note
Describe vs. Explain
Carefully identify the command word.
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AQA GCSE Biology papers by session
June 2023
4 papersLatest seriesFoundation tier· 2
Higher tier· 2
Examiner InsightsAQA GCSE Biology
Examiner tips.
Practical advice to help you avoid common mistakes and write stronger answers.
Describe vs. Explain
Students often provide descriptions when asked to "explain," or include unnecessary explanations when the command is "describe". For example, when asked to describe the movement of water, students might explain why it moves (diffusion/osmosis), which gains no credit if only a description of the pattern was required.
How to improve
Carefully identify the command word.
If it says "describe," state what is happening (e.g., "as light intensity increases, the rate of photosynthesis increases"). If it says "explain," you must state why it is happening, often using the word "because" (e.g., "...because there is more energy for the reaction").
Check the command word before you write.
Confusion Over Osmosis Terminology
Students often fail to specify that it is water molecules moving, or they confuse the direction of movement (e.g., saying salt moves instead of water). Another common error is referring to "water concentration" without specifying it is moving from a dilute to a concentrated solution.
“water concentration”
How to improve
Always define osmosis clearly: the movement of water molecules from a dilute solution (high water potential) to a concentrated solution (low water potential) through a partially permeable membrane.
Check the command word before you write.
Careless Graph Reading and Plotting
Marks are frequently lost due to inaccurate plotting of points (e.g., using dots that get obscured by the line) or misreading the scale on the axes.
How to improve
Use a sharp pencil and clear crosses (x) for plotting.
Always use a ruler for drawing bars or lines of best fit. Double-check the scale—sometimes two small squares represent 0.1 units, but students often assume one square equals one unit
Check the command word before you write.
Frequently asked questions
Are there any changes to the AQA GCSE Biology (Separate Science) specification for 2027?
The specification is identical to 2026. The UK government's Curriculum and Assessment Review won't affect current specifications until 2029. You can safely use all 2026 past papers, textbooks, and mark schemes for 2027.
When was the last major change to the AQA GCSE Biology specification, and what changed?
The last major overhaul was in 2016 (first taught September 2016, first examined Summer 2018) as part of the UK's 9–1 grading reform. Key changes then: • Linear assessment (all exams at end of Year 11, no modular units) • Shift from letter grades (A*–G) to numerical grades (9–1) • Removal of coursework, replaced with 10 Required Practicals tested via written exam questions • Expanded content on monoclonal antibodies, plant diseases, and advanced genetics
How do you confirm you're on the AQA GCSE Biology Separate Science (8461) syllabus and not Combined Science?
Your final grades. For separate Science you will receive 3 independent GCSE grades (Biology, Chemistry, Physics separately). For Combined Science, it is 2 double grades (e.g., 7-7).
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