Edexcel International GCSE Biology 4BI1: Exam Structure
Exam structure at a glance for Edexcel International GCSE Biology 4BI1: every paper with its time, marks and weighting, plus the links you need.
- Board
- Pearson Edexcel
- Code
- 4BI1
- Grades
- 9-1
- First exams
- 2019
- Exam papers
- 2
- Last checked
- 2026-10-20
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Papers and weightings
| Paper | Time | Marks | Weight | Calculator |
|---|---|---|---|---|
| Paper 1: Biology Paper 1 | 2 h | 110 | 61.1% | Yes |
| Paper 2: Biology Paper 2 | 1 h 15 min | 70 | 38.9% | Yes |
Times are exam lengths; weightings are shares of the whole qualification. Summaries are in our own words.
Good to know
- Grades: 9-1
- Exam series: June and November
- Coursework: none
- Paper 1 is the same paper as Science (Double Award) 4SD0/1B.
- Information Manual 2025/26: January 2023 was the final January series for International GCSE. Regional (R) options are June only.
Official documents and past papers
- Pearson Edexcel: syllabus / specification page
- Pearson Edexcel: syllabus / specification (PDF)
- Pearson Edexcel: past papers
- Pearson Edexcel: grade thresholds / boundaries
Facts checked against: qualifications.pearson.com, qualifications.pearson.com.
More packs
Facts taken from Pearson Edexcel International GCSE specifications. Summaries are Classfern's own words. Always check the current specification. Edexcel is a registered trademark of Pearson Education Ltd.
Exam details checked against the syllabus or specification on 2026-10-20. Always check the current version on the board's website. We store facts only (codes, papers, times, marks, weightings) with summaries in our own words; no syllabus, guide or paper text is reproduced, and past papers are linked, never re-hosted.
Classfern is not affiliated with or endorsed by Pearson Education Ltd.
IB is named here only to link to our IB packs. This work has been developed independently from and is not endorsed by the International Baccalaureate Organization.
Questions teachers ask
How long are the Edexcel International GCSE Biology 4BI1 exams?
Paper 1: 2 h; Paper 2: 1 h 15 min.