Cambridge International (CIE) Biology revision guide
Last updated 11 September 2026
GCSE and A-Level · International. Cambridge International papers split across multiple components, so a topic can appear in very different question formats.
Topics that come up most in Cambridge International (CIE) Biology
These are the areas students most often need to revise. To see what actually recurs in your papers, upload them and let the past-paper analyser count the topics for you.
- Cell structure and transport
- Enzymes and digestion
- Genetics and inheritance
- Homeostasis
- Ecology and ecosystems
- Required practicals
Command words to practise
Cambridge International (CIE) mark schemes reward answers that match the command word. Practise these until the structure is automatic: Describe, Explain, Evaluate, Suggest.
Get Cambridge International (CIE) Biology papers
Official Cambridge International (CIE) past papers and mark schemes are free on the board's own website, and because they are copyrighted we link to them rather than host them:
Cambridge International (CIE) past papers and mark schemes
Inside ExamAI you can also generate an original Biology practice paper written in Cambridge International (CIE)'s style, download it, sit it, then have every answer marked against its own mark scheme.
Analyse your own Cambridge International (CIE) past papers
Upload the papers you have for Biology and ExamAI counts how often each topic appears, which question types recur, and where marks tend to sit. Results are described as "frequently appeared in the uploaded papers" — they are not predictions of what will be on your exam.
Analyse your past papersBuild a Biology revision plan
Add your exam date and how many hours a day you can study. The revision planner spreads your weakest and most frequently tested topics across the days you have left, with practice questions and a live countdown.
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