Edexcel International GCSE (IGCSE) Biology Papers 1 & 2

Edexcel International GCSE (IGCSE) Biology — Complete Notes

Every point mapped to the specification and tagged to the paper it appears on.

Edexcel Biology is examined across two papers with a strict specification. These notes follow that specification line by line, tag content to Paper 1 and Paper 2, and phrase every answer the way the mark scheme rewards.

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Edexcel International GCSE (IGCSE) Biology Complete Notes eBook cover for 4BI1

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Is this the right book for you?

Board: Edexcel (Pearson)
Specification: 4BI1 (latest)
Papers covered: Papers 1 and 2
Suitable for: Linear and modular routes

Written for students sitting Edexcel International GCSE (IGCSE) Biology 4BI1 — usable for both the linear and modular systems. Not your syllabus? Use the book finder.

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The Edexcel difference

Edexcel rewards structure — so these notes are built around the specification

Unlike a general textbook, this book follows the 4BI1 specification point by point, so you can see exactly what is examinable and which paper it sits on.

Follow the spec

Content is ordered and mapped to the 4BI1 specification, so nothing examinable is missed and nothing extra is added.
Tag the paper

Each topic is tagged to Paper 1 or Paper 2, so your revision matches the exam you are about to sit.
Write for marks

Definitions and explanations are given in mark-scheme language you can reproduce directly.
Track your progress

A built-in tracker, quizzes and flashcards show what is secure and what still needs work.

Built for the exam

What makes these Biology notes score

Specification-mapped

Every 4BI1 specification point covered in order — see exactly what is examinable.

Mark-scheme definitions

Key terms written the exact way Edexcel awards them.

Paper 1 & 2 tags

Content labelled by paper so revision targets the right exam.

Flashcards

Active-recall cards for definitions, processes and mark-scheme wording.

Topic quizzes

Past-paper-style questions after each topic to test application.

Progress tracker

A simple system to see what is secure and where marks are still leaking.

See inside

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Sample pages — Edexcel IGCSE Biology

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The best value is the two-book Edexcel International GCSE (IGCSE) bundle. Prefer one subject? The complete Biology notes are $25 on their own. Instant access on any device.

Edexcel International GCSE (IGCSE) Biology and Chemistry Complete Notes eBooks tied together with a gold gift ribbon

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Edexcel International GCSE (IGCSE) Biology + Chemistry bundle

Both Edexcel International GCSE (IGCSE) science books in one purchase — the complete 4BI1 Biology notes and 4CH1 Chemistry notes.

Edexcel International GCSE (IGCSE) Biology — 4BI1 (Papers 1 & 2)
Edexcel International GCSE (IGCSE) Chemistry — 4CH1 (Papers 1 & 2)

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4BI1

Edexcel International GCSE (IGCSE) Biology — Complete Notes

Full specification coverage of Papers 1 and 2 with mark-scheme definitions, quizzes, flashcards and a progress tracker. Suitable for linear and modular routes.

$25

Get this book — $25

Format:: eBook — phone, tablet and computer
Access:: online, straight after purchase
Updates:: revised when the specification changes

Edexcel IGCSE Biology classified and fully solved past papers 2019 to 2026, Paper 1 and Paper 2

OPTIONAL SOLVED PAST PAPERS

Want every Edexcel Biology past paper worked out?

The eBook is a complete standalone revision resource.

The Fully Solved Past Papers pack works through Edexcel International GCSE (IGCSE) Biology Papers 1 and 2 (2019–2026) — full mark-scheme-aligned solutions plus classified past papers by topic, so you see exactly how marks are earned.

Fully solved Papers 1 & 2
Classified by topic
Covers 2019–2026 questions
Two years of access

Get the Biology Solved Past Papers

Your eBook remains a complete resource. The solved past papers are an optional extra practice pack.

Prefer to study independently?

This eBook is designed as a complete standalone Edexcel International GCSE (IGCSE) Biology revision system — specification mapping, Paper 1 and Paper 2 tags, quizzes, flashcards and progress tracking. A guided Edexcel Biology course is not yet available; we will not send you to a Cambridge course.

Edexcel & IGCSE Biology students

What Biology students report

IGCSE Biology & Chemistry

“The notes are short, structured and written in mark-scheme language throughout. I knew I was revising the right things — not just reading a textbook and hoping.”

Sara Al-Khatib · Jordan

IGCSE Biology

“Every note is written like a mark-scheme answer — not like a story. I know exactly which keywords to write and which facts are worth marks.”

Nurul Hazirah Zainudin · Malaysia

Biology eBooks

“The topic maps helped me see how ideas from different chapters connect. Biology stopped feeling like hundreds of separate facts.”

Youssef Mahmoud · Egypt

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“For the first time, my revision list felt achievable. Each topic was broken into clear points instead of pages of reading.”

Maryam Al-Suwaidi · United Arab Emirates

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“My old notes helped me understand the chapter; these notes helped me score on it. The difference was the mark-scheme language.”

Harrison Clarke · United Kingdom

Hosni, the science author and examiner who writes the Chem-Bio eBooks

Written by Hosni

Edexcel International GCSE (IGCSE) Biology is taught in these books by the same teacher who wrote them: 21+ years teaching these exact syllabuses, 9 years writing the books, 5 published textbooks — and 20,000+ copies sold yearly across 40+ countries.

Before you choose

Edexcel International GCSE (IGCSE) Biology questions

The latest Edexcel International GCSE (IGCSE) Biology specification, 4BI1. Content is mapped to the specification point by point and is suitable for both the linear and modular routes.

Yes. Content is tagged to Paper 1 and Paper 2 so you can target revision to the exam you are sitting.

It is available now. Buy the Biology book on its own for $25, or the Biology + Chemistry bundle for $40, with instant access on any device.

It is designed as an exam-focused study and revision resource covering the full 4BI1 specification, with quizzes, flashcards and a progress tracker. Use it alongside your school’s course requirements.

Yes — it is matched to the current specification and revised whenever Edexcel changes it.

The book supports both the linear route, subject code 4BI1, and the modular route, qualification cash-in code 4XBI1. The relevant subject, paper or unit code is shown within the book where it helps students identify the content required for their own examination route.

Yes. The modular route is clearly divided into Biology Unit 1, code 4WBI1/1B, and Biology Unit 2, code 4WBI2/1B. These codes help students and parents confirm that they are revising the correct unit and make it easier to plan revision around the examination entry.

Yes. Pearson's modular and linear routes assess the same overall subject knowledge and skills, but they organise the examinations differently. The book identifies the relevant route and code so a student can follow the structure used by their school without needing two unrelated sets of notes.

Yes. The content is mapped to the Edexcel International GCSE (IGCSE) Biology specification so students can work through the course systematically. Specification coverage also helps parents and students see what has been completed and what still needs revision.

Linear students can follow the complete subject structure for 4BI1, including the content needed across the two final papers. Relevant Paper 2 depth is identified so students can see which parts of the course require additional detail.

Modular students can revise by Unit 1 and Unit 2 using the displayed unit codes. This makes it easier to focus on the examination being taken next, while still seeing how the two units combine to form the complete Biology qualification.

Paper 2 content is clearly identified throughout the book. Students can locate the additional depth required without searching through several notebooks or trying to decide which textbook paragraphs apply to their route.

It is concise because unnecessary wording has been removed, not because specification points have been removed. The layout focuses on one clear fact, process or examination point at a time, making it quicker to revise while retaining the details students may be expected to use.

Important definitions are written with the precision required for Edexcel questions. This helps students avoid giving a generally correct description that misses the particular word, relationship or condition needed for the mark.

Processes and structures are supported by clean diagrams and purposeful labels. Students can connect each stage visually before learning how to describe it in a written answer, which is particularly useful for topics that are difficult to understand from paragraphs alone.

Yes. The course is organised so students can move from explanation to recall, self-testing and application. This makes it suitable for students revising independently, studying ahead or filling gaps left by missed or rushed lessons.

The book is supported by resources such as quizzes, flashcards, chapter summaries and progress tools where indicated. These are designed to make students retrieve information actively rather than simply rereading the same page.

The tracker turns a large Biology specification into manageable sections. Students can record what they have learned, tested and applied, making it easier to identify weak areas and reducing the feeling that they must revise the entire course at once.

Yes. Past papers remain essential. The book is designed to bridge the gap between reading notes and solving complete papers by first giving students the knowledge, definitions, diagrams and answer structure needed to make past-paper practice productive.

Access is available for two years from the date of purchase. This allows students to use the book across the teaching course, modular or linear examination preparation, revision periods and any later review needed within that access period. ---