Biology › Exam boards

Exam-board routes

InkBiology has detailed coverage maps for five qualifications: AQA 7401/7402, OCR Biology A H020/H420, Cambridge International 9700, Pearson Edexcel Biology A (Salters-Nuffield) 8BN0/9BN0 and Pearson Edexcel Biology B 8BI0/9BI0. Six other routes are listed for reference but have not yet been mapped. Choose your qualification to see its assessment structure, specification link and current coverage status.

AQA Biology

7401/7402 · AS and A level · England

Coverage: mapped heading by heading. Open the route map to see the relevant lessons and any gaps.

How it is examined: Linear; Paper 1 (topics 1-4, 2h, 91), Paper 2 (topics 5-8, 2h, 91), Paper 3 (all topics, 2h, 78, incl. practical/data and one 25-mark essay). Separate Practical Endorsement.

Taught in England. AQA is withdrawing 7401/7402 from UK overseas centres: the last sittings there are AS in summer 2027 and A level in summer 2028, with final resits in September 2028 and 2029.

Version 1.6, published 2026-07. Read the specification for what is examinable on this route.

OCR Biology A

H020/H420 · AS and A level · England

Coverage: mapped heading by heading. Open the route map to see the relevant lessons and any gaps.

How it is examined: Linear; Biological Processes (M1,2,3,5, 2h15, 100), Biological Diversity (M1,2,4,6, 2h15, 100), Unified Biology (M1-6, 1h30, 70). Separate endorsement.

Version 4.1 (A), 4.0 (AS), published 2026-04. Read the specification for what is examinable on this route.

Cambridge International Biology

9700 · AS and A level · International

Coverage: mapped heading by heading. Open the route map to see the relevant lessons and any gaps.

How it is examined: Staged or linear; P1 MCQ (1h15, 40), P2 AS structured (1h15, 60), P3 Advanced Practical (2h, 40), P4 A-level structured (2h, 100), P5 Planning/Analysis/Evaluation (1h15, 30).

Cambridge says the 2028 update changes nothing significant about what is taught, so both exam windows are recorded together.

Version 2025-2027 v1; 2028-2030 v1 held alongside, published 2022-09. Read the specification for what is examinable on this route.

Pearson Edexcel Biology A (Salters-Nuffield)

8BN0/9BN0 · AS and A level · England

Coverage: mapped heading by heading. Open the route map to see the relevant lessons and any gaps.

How it is examined: Linear; contextual SNAB topics; P1 (T1-6, 2h, 100), P2 (T1-4+7-8, 2h, 100), P3 (all, 2h, 100, with a scientific article pre-released 8 weeks before). Separate endorsement.

The Paper 3 article changes every year, so no revision library can cover it in advance.

Version Issue 4, published 2018-11. Read the specification for what is examinable on this route.

Pearson Edexcel Biology B

8BI0/9BI0 · AS and A level · England

Coverage: mapped heading by heading. Open the route map to see the relevant lessons and any gaps.

How it is examined: Linear; conventional topic order; P1 (T1-7, 1h45, 90), P2 (T1-4+8-10, 1h45, 90), P3 (all, 2h30, 120). Separate endorsement.

Version Issue 4, published 2018-11. Read the specification for what is examinable on this route.

Eduqas Biology

B400QS/A400QS · AS and A level · England

Coverage: not yet mapped. Use the awarding body’s current specification to check which topics are examinable.

How it is examined: Linear; three components, each 2h/100/33.3%; Component 3 is 80 compulsory marks plus 20 on one option. Separate endorsement.

Structured differently from the WJEC route, which is listed separately below.

Version v2, published 2019-01. Read the specification for what is examinable on this route.

WJEC Biology

2400QS/1400QS · AS and A level · Wales

Coverage: not yet mapped. Use the awarding body’s current specification to check which topics are examinable.

How it is examined: Unitised; AS contributes 40%; Unit 4 has 70 compulsory + 20 option marks; Unit 5 is an external practical examination (50 marks, 10%).

The AS content may be amended from September 2028.

Version v3, published 2023-10. Read the specification for what is examinable on this route.

CCEA Biology

1010 · AS and A level · Northern Ireland

Coverage: not yet mapped. Use the awarding body’s current specification to check which topics are examinable.

How it is examined: Unitised; AS contributes 40%; AS3 and A2 3 combine external theory with internally assessed practical work.

Version v2, published 2017-04. Read the specification for what is examinable on this route.

Pearson Edexcel International A Level Biology

XBI11/YBI11 · IAS and IAL · International

Coverage: not yet mapped. Use the awarding body’s current specification to check which topics are examinable.

How it is examined: Six externally assessed units; written practical-skills papers (WBI13, WBI16); WBI15 carries a 20-mark scientific-article question. January, June and October sittings vary by unit.

A modular route: units are sat in different exam months.

Version Issue 2, published 2021-02. Read the specification for what is examinable on this route.

OxfordAQA International A-level Biology

9610/9611/9612 · IAS and IAL · International

Coverage: not yet mapped. Use the awarding body’s current specification to check which topics are examinable.

How it is examined: Five modular written units BL01-BL05, each 1h30/75/20%; BL05 synoptic and practical-heavy; practicals assessed in writing.

Version v5.1, published 2025. Read the specification for what is examinable on this route.

OCR Biology B (Advancing Biology)

H022/H422 · AS and A level · England

Coverage: not yet mapped. Use the awarding body’s current specification to check which topics are examinable.

How it is examined: Linear; Fundamentals (2h15, 110), Scientific Literacy (2h15, 100, with an advance-notice article), Practical Skills (1h30, 60). Separate endorsement.

Final AS exams in summer 2027 and final A-level exams in summer 2028, with no resit after that.

Version 3.2 (A), 3.1 (AS), published 2026-04. Read the specification for what is examinable on this route.

What each paper is, how long it runs, what it is worth and where the board publishes its own question papers and mark schemes: A-level biology past papers.

Qualification codes and short topic labels are used for identification; all teaching text on this site is original. Specification documents remain the copyright of their awarding bodies; follow the links for the authoritative versions.