BBO past papers & answer keys
Practising real papers is the single best way to prepare for the British Biology Olympiad. Pick any year below and scan a code to receive it — the full pack is free.
Free to claim. Click any year and scan a code — we’ll send you that paper plus the full preparation pack (papers, answer keys, topic notes and a vocabulary list).
Claim a paper by year (2010–2026)
Click a year to get the paper and answer key — free, sent to you on WeChat.
Getting the most out of past papers
Time yourself
Sit each paper to the clock (45 minutes) under quiet, exam-like conditions to build pace and stamina.
Mark & analyse
Use the answer keys to find recurring weak topics — then read around those areas before the next paper.
Track the trend
Score boundaries have risen in recent years. Compare your marks across papers to gauge readiness.
Want the full past-paper pack?
Scan the WeChat QR code below and message us — we send the pack for free. Papers, answer keys, topic notes and the vocabulary list; the exact set follows what our teachers send.
Get the BBO past papers
Scan a code to add us on WeChat and we’ll send you the full pack — papers, answer keys, topic notes and a vocabulary list; the exact set follows what our teachers send. Completely free.