Edexcel IGCSE Biology Past Papers 2020–2025 (4BI1) – Separate Science Question Papers, Mark Schemes & Examiner Resources
- William Cartwright
- Feb 19
- 6 min read
Updated: Mar 19
Access the complete collection of Edexcel IGCSE Biology Past Papers 2020–2025 (4BI1) for Separate Science. This page includes official question papers and mark schemes for the Pearson Edexcel IGCSE Biology (4BI1) specification. Whether you're revising for upcoming exams or practicing by topic, these updated past papers help you understand exam structure and maximise your grade. We recommend that, before attempting these papers, you click here to read the common mistakes so you can avoid losing marks in the same way as many students each year, and click here if you are unsure whether these are the correct Edexcel IGCSE Biology (4BI1) past papers for your course.
Pearson Edexcel IGCSE Biology (9-1) 2025 Exams: All Papers & Offical Mark Schemes
2025 Edexcel IGCSE Biology | Downloads | |
Pearson Edexcel IGCSE Biology November 2025 Paper 1B (4BI1/1B) | ||
Pearson Edexcel IGCSE Biology November 2025 Paper 2B (4BI1/2B) | ||
Pearson Edexcel IGCSE Biology June 2025 Paper 1B (4BI1/1B) | ||
Pearson Edexcel IGCSE Biology June 2025 Paper 2B (4BI1/2B) Past Paper | ||
Pearson Edexcel IGCSE Biology June 2025 Paper 1B R (4BI1/1BR) Time Zone R | ||
Pearson Edexcel IGCSE Biology June 2025 Paper 2B R (4BI1/2BR) Time Zone R | ||
Pearson Edexcel IGCSE Biology (9-1) 2024 Exams: All Papers & Official Mark Schemes
2024 Edexcel IGCSE Biology | Downloads | |
Pearson Edexcel IGCSE Biology November 2024 Paper 1B (4BI1/1B) | ||
Pearson Edexcel IGCSE Biology November 2024 Paper 2B (4BI1/2B) | ||
Pearson Edexcel IGCSE Biology June 2024 Paper 1B (4BI1/1B) | ||
Pearson Edexcel IGCSE Biology June 2024 Paper 1B R (4BI1/1BR) Time Zone R | ||
Pearson Edexcel IGCSE Biology June 2024 Paper 2B (4BI1/2B) Past Paper | ||
Pearson Edexcel IGCSE Biology June 2024 Paper 2B R (4BI1/2BR) Time Zone R | ||
Pearson Edexcel IGCSE Biology (9-1) 2023 Exams: All Papers & Official Mark Schemes
2023 Edexcel IGCSE Biology | Downloads | |
Pearson Edexcel IGCSE Biology November 2023 Paper 1B (4BI1/1B) | ||
Pearson Edexcel IGCSE Biology November 2023 Paper 2B (4BI1/2B) | ||
Pearson Edexcel IGCSE Biology June 2023 Paper 2B (4BI1/2B) | ||
Pearson Edexcel IGCSE Biology June 2023 Paper 2B R (4BI1/2BR) Time Zone R | ||
Pearson Edexcel IGCSE Biology May 2023 Paper 1B (4BI1/1B) | ||
Pearson Edexcel IGCSE Biology May 2023 Paper 1B R (4BI1/1BR) Time Zone R | ||
Pearson Edexcel IGCSE Biology January 2023 Paper 1B (4BI1/1B) | ||
Pearson Edexcel IGCSE Biology January 2023 Paper 1B R (4BI1/1BR) Time Zone R | ||
Pearson Edexcel IGCSE Biology January 2023 Paper 2B (4BI1/2B) Past Paper | ||
Pearson Edexcel IGCSE Biology January 2023 Paper 2B R (4BI1/2BR) | ||
Pearson Edexcel IGCSE Biology (9-1) 2022 Exams: All Papers & Official Mark Schemes
2022 Edexcel IGCSE Biology | Downloads | |
Pearson Edexcel IGCSE Biology June 2022 Paper 1B (4BI1/1B) | ||
Pearson Edexcel IGCSE Biology June 2022 Paper 1B R (4BI1/1BR) Time Zone R | ||
Pearson Edexcel IGCSE Biology June 2022 Paper 2B (4BI1/2B) | ||
Pearson Edexcel IGCSE Biology June 2022 Paper 2B R (4BI1/2BR) Time Zone R | ||
Pearson Edexcel IGCSE Biology January 2022 Paper 1B (4BI1/1B) | ||
Pearson Edexcel IGCSE Biology January 2022 Paper 1B R (4BI1/1BR) Time Zone R | ||
Pearson Edexcel IGCSE Biology January 2022 Paper 2B (4BI1/2B) | ||
Pearson Edexcel IGCSE Biology January 2022 Paper 2B R (4BI1/2BR) Time Zone R | ||
Pearson Edexcel IGCSE Biology (9-1) 2021 Exams: All Papers & Official Mark Schemes
2021 Edexcel IGCSE Biology | Downloads | |
Pearson Edexcel IGCSE Biology November 2021 Paper 1B (4BI1/1B) | ||
Pearson Edexcel IGCSE Biology November 2021 Paper 2B (4BI1/2B) | ||
Pearson Edexcel IGCSE Biology June 2021 Paper 1B (4BI1/1B) | ||
Pearson Edexcel IGCSE Biology June 2021 Paper 2B (4BI1/2B) | ||
Pearson Edexcel IGCSE Biology January 2021 Paper 1B (4BI1/1B) | ||
Pearson Edexcel IGCSE Biology January 2021 Paper 1B R (4BI1/1BR) Time Zone R | ||
Pearson Edexcel IGCSE Biology January 2021 Paper 2B (4BI1/2B) | ||
Pearson Edexcel IGCSE Biology January 2021 Paper 2B R (4BI1/2BR) Time Zone R | ||
Pearson Edexcel IGCSE Biology (9-1) 2020 Exams: All Papers & Official Mark Schemes
2020 Edexcel IGCSE Biology | Downloads | |
Pearson Edexcel IGCSE Biology June 2020 Paper 2B (4BI1/2B) | ||
Pearson Edexcel IGCSE Biology June 2020 Paper 2B R (4BI1/2BR) Time Zone R | ||
Pearson Edexcel IGCSE Biology May 2020 Paper 1B (4BI1/1B) | ||
Pearson Edexcel IGCSE Biology May 2020 Paper 1B R (4BI1/1BR) Time Zone R | ||
Pearson Edexcel IGCSE Biology January 2020 Paper 1B (4BI1/1B) | ||
Pearson Edexcel IGCSE Biology January 2020 Paper 1B R (4BI1/1BR) Time Zone R | ||
Pearson Edexcel IGCSE Biology January 2020 Paper 2B (4BI1/2B) | ||
Pearson Edexcel IGCSE Biology January 2020 Paper 2B R (4BI1/2BR) Time Zone R | ||
What Edexcel IGCSE Biology Examiners Wish Every Student Knew (Before It’s Too Late!)
Edexcel's examiners mark thousands of scripts every single session — and after seeing that many answers, patterns become impossible to ignore. These are the mistakes they tell us come up again and again, year after year, no matter how well-prepared students think they are. The good news? Every single one of them is fixable.
1. You're describing when you should be explaining
"The rate increases as temperature rises" is a description. If the question says explain, the examiner wants to know why — the actual biology behind it. One word in the question, one very different answer required.
2. You're not writing enough points
Three marks means three distinct points. It really is that straightforward. Count the marks, count your points.
3. You're listing data instead of comparing it
When a question involves a graph or table, don't just quote numbers — connect them. Words like greater than, lowest, more effective are what turn a list into an actual analysis.
4. You're not showing your working
If your final answer is wrong but your method was right, you can still pick up marks — but only if the examiner can see your working. Never just write down an answer and move on.
5. You're using vague language when precision matters
"Water concentration" and "water potential" are not the same thing to an examiner. Biology has specific vocabulary for a reason — use it, and use it correctly.
6. Your graphs are losing you easy marks
Poor scaling, unlabelled axes, missing units — these are all marks that require almost no biological knowledge to earn. A graph that uses most of the grid and has fully labelled axes with units will always score better.
7. Your experimental designs are incomplete
If you're asked to design an investigation, you need to name your independent variable (and its range), your dependent variable (and how you'll measure it), and your control variables. Miss any of these and you'll miss marks.
8. You're not giving answers in the right format
If the question asks for standard form or a ratio, that's what it needs to be. Getting the right number in the wrong format can still cost you the mark, so always double-check before moving on.
9. You're not learning the specific examples the spec names
The withdrawal reflex. The tobacco mosaic virus. These aren't random — they're in the specification because they can and do come up. If you don't know the named examples, you can't answer those questions.
10. You're writing more answers than the question asks for
If it says give two examples, give two. Adding extras doesn't earn bonus marks — it just wastes your time and risks muddying an otherwise good answer.
How Do I Know If I’m Taking Edexcel IGCSE Biology 4BI1?
The 4BI1 specification is the international qualification code for Edexcel IGCSE Biology (Separate Science), awarded by Pearson Edexcel. If you are studying IGCSE Biology as a standalone subject (not Double Award/Combined Science) under the Edexcel exam board, your course code should be 4BI1. You can confirm this by checking your exam entry details, syllabus document, or asking your school — if it says “Edexcel IGCSE Biology (4BI1)”, these are the correct past papers for you.
Is Practicing the IGCSE Biology Past Papers from 2020 to 2025 Still Relevant for Me in 2026?
Yes — and here's why. The 2026 Pearson Edexcel International GCSE (9-1) Biology (4BI1) exam hasn't changed in any significant way. The syllabus content and exam structure are the same as the 2017 specification, so past papers are just as useful as ever.
As before, you'll still sit two papers: Paper 1 (2 hours, 110 marks) covering the core topics, and Paper 2 (1 hour 15 minutes, 70 marks).
