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CAIE · A-Level
Biology past papers
2020–202524 papersinstant marking
Papers by exam series
- 2025Papers 11, 12, 13, 14, 21, 22, 23, 24, 31, 32, 33, 34, 35, 36, 37, 38, 41, 42, 43, 44, 51, 52, 53, 54
- 2024Papers 11, 12, 13, 14, 21, 22, 23, 24, 31, 32, 33, 34, 35, 36, 37, 38, 41, 42, 43, 44, 51, 52, 53, 54
- 2023Papers 11, 12, 13, 14, 21, 22, 23, 24, 31, 32, 33, 34, 35, 36, 37, 38, 41, 42, 43, 44, 51, 52, 53, 54
- 2022Papers 11, 12, 13, 14, 21, 22, 23, 24, 31, 32, 33, 34, 35, 36, 37, 38, 41, 42, 43, 44, 51, 52, 53, 54
- 2021Papers 11, 12, 13, 14, 21, 22, 23, 24, 31, 32, 33, 34, 35, 36, 37, 38, 41, 42, 43, 44, 51, 52, 53, 54
- 2020Papers 11, 12, 13, 14, 21, 22, 23, 24, 31, 32, 33, 34, 35, 36, 37, 38, 41, 42, 43, 44, 51, 52, 53, 54
Free course
Biology — full syllabus
Stuck on a topic in a past paper? Every syllabus point has a visual lesson with a real exam question.
Open the 9700 course →Grade boundaries
Turn your past-paper score into a predicted 9700 grade.
9700 grade boundary calculator →Biology past-paper questions by topic
Drill 9700 past-paper questions one topic at a time — each set is marked against the real scheme.
- Cells as the basic units of living organisms12
- Carbohydrates and lipids6
- Proteins8
- Mode of action of enzymes8
- Factors that affect enzyme action9
- Fluid mosaic membranes4
- Movement into and out of cells7
- Replication and division of nuclei and cells11
- Chromosome behaviour in mitosis4
- Structure of nucleic acids and replication of DNA5
- Protein synthesis5
- Transport mechanisms7
- The circulatory system5
- Transport of oxygen and carbon dioxide5
- The heart3
- The gas exchange system7
- Infectious diseases8
- Antibiotics3
- The immune system6
- Antibodies and vaccination7
- Respiration8
- Photosynthesis as an energy transfer process10
- Investigation of limiting factors4
- Homeostasis in mammals12
- Homeostasis in plants4
- Control and coordination in mammals11
- Control and coordination in plants5
- Passage of information from parents to offspring7
- The roles of genes in determining the phenotype5
- Variation3
- Natural and artificial selection6
- Evolution5
- Classification4
- Biodiversity3
- Conservation6
- Principles of genetic technology7
- Genetic technology applied to medicine5
Biology (9700) past papers — marked, not just downloaded
Above is every recent Biology exam series we cover (2020–2025). Practise any paper, then upload photos of your handwriting and MarkScheme grades it against the real 9700 mark scheme — so you get feedback on method and accuracy marks, not just a model answer.
Frequently asked questions
- Where can I find Biology (9700) past papers?
- Every recent Biology (9700) exam series is listed below by year and session. Pick a paper to practise it and have your answers marked instantly against the official 9700 mark scheme.
- Does MarkScheme have 9700 mark schemes?
- Yes. We mark your Biology answers using the real Cambridge mark scheme for 9700 — method marks, accuracy marks and (where relevant) essay level descriptors — so your score reflects how an examiner would award it.
- What's the best way to use 9700 past papers?
- Work a full paper under timed conditions, mark yourself strictly, then upload it to MarkScheme to catch the marks you missed. Repeat with the next series and track which topics keep costing you marks.