British Biology Olympiad Past Papers & Solutions
British Biology Olympiad (Royal Society of Biology)
British Biology Olympiad past papers with worked answers — data interpretation, physiology, ecology and genetics beyond the A-Level syllabus.
- Eligibility
- Year 12 and Year 13 students
- Format
- Two online multiple-choice papers with data-interpretation questions
- Duration
- Two 45-minute papers
- Scoring
- Certificates from Highly Commended up to Gold based on the combined score
The British Biology Olympiad rewards students who read biology outside the specification and who can interpret unfamiliar data quickly. Questions frequently present a graph, a pedigree or an experimental result and ask what can legitimately be concluded — a skill A-Level covers lightly. Past papers show exactly how far beyond the syllabus the competition goes, which is usually less far than students fear and in different directions than they expect.
Past papers by year
Each year page lists the official paper source, the answer key location, difficulty notes and how to review your solutions.
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What the paper tests
Cell biology & biochemistry
Genetics & evolution
Physiology
Ecology
Data interpretation
Where it leads: Top performers progress to further rounds and the UK team selection for the IBO. See our coaching programme.
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Past papers show you the gap; a mentor closes it. Our British Biology Olympiad mentors are medal winners who walk through every solution 1-to-1, then set targeted practice on the archetypes you lost marks on.
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Frequently asked questions
- Where can I find British Biology Olympiad past papers?
- The Royal Society of Biology makes past papers and answers available to registered schools and publishes guidance on its competitions pages. We link to the official source and add worked explanations for the data-heavy questions.
- How much extra reading do I need?
- Broad familiarity with topics like immunology, plant science and ecology beyond A-Level helps, but past-paper practice on data interpretation usually gains more marks per hour than extra content reading.