Edexcel Modular IGCSE Biology: Units & Exam Route
Edexcel modular IGCSE Biology lets international schools split assessment into units with exams at the end of each unit, with resit options before cash-in — alongside the familiar linear 4BI1 route. Modular Biology joined the Pearson modular programme from first assessment May/June 2025 (first teaching September 2024).
Maths modular hub: maths modular IGCSE Edexcel · All subjects: modular vs linear guide.
Modular vs linear Edexcel Biology
| Modular | Linear (typical) |
|---|---|
| Unit exams when ready | Papers sat in one main series |
| Resit individual units | Often full qualification resit |
| Cash-in for final 9–1 grade | Grade from combined papers |
Content aligns with Pearson’s international GCSE biology standard — confirm exact unit codes on Pearson International GCSE sciences and with your exams officer.
Revision tips for modular biology
- Syllabus per unit — do not revise the whole spec before Unit 1 only.
- Diagrams and terminology — same as linear: labelled drawings, precise vocabulary.
- Past papers — Edexcel 4BI1 past papers for question style; add modular sample materials from Pearson.
- Between units — mark schemes on data questions and 6-mark style responses (Edexcel 4BI1 common mistakes where applicable).
- Free IGCSE biology notes for content recap.
Frequently asked questions
Is modular biology easier than linear?
No — same standard; different timing of exams.
UK schools?
Modular IGCSE is international only; UK centres use linear.
Cambridge or Edexcel?
CIE vs Edexcel — modular is Edexcel-only.
Modular maths guide?
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