IGCSE · CAIE

Biology IGCSE Extended Revision

Get ready for your CAIE Biology IGCSE Extended exam with exam papers, your handwritten answers marked while you wait, and exam questions by topic that build your personal revision list. No payment required to get started.

Start revising Biology free →

Also available as Biology IGCSE Core

Exam Questions

Questions on any Biology IGCSE Extended topic. Mark yourself against the answer, and every question you miss builds your personal revision list.

Exam Papers

Every CAIE Biology IGCSE Extended exam paper is generated fresh, with a full mark scheme, weighted toward the topics most likely to come up.

Marking while you wait

Photograph your handwritten answers. They’re read and marked against the mark scheme, and you see where every mark went.

Topics covered

Questions and exam papers cover every Biology IGCSE Extended topic on the CAIE IGCSE specification.

Characteristics and classification of living organisms Organisation of the organism Movement into and out of cells Biological molecules Enzymes Plant nutrition
Show all 22 topics
Human nutrition Transport in plants Transport in animals Diseases and immunity Gas exchange in humans Respiration Excretion in humans Coordination and response Drugs Reproduction Inheritance Variation and selection Organisms and their environment Human influences on ecosystems Biotechnology and genetic modification Practical assessment

Revision guides

IGCSE Biology Revision Guide — CAIE and Edexcel Core and Extended Content

How to revise IGCSE Biology across CAIE and Edexcel, including the Core/Extended split and the practical-skills paper many students under-prepare for.

Start revising Biology IGCSE Extended today

Free sample questions included. No payment required to get started.

Create your free account →

Frequently asked questions

Is ExamPass.ai free for Biology IGCSE Extended?
Yes. Every new account includes a free set of sample questions, no payment required — and revision notes, flashcards, your study planner and strengths & weaknesses are free too. Extra exam questions and exam papers run on credit packs or a monthly plan.
Does ExamPass.ai support CAIE Biology IGCSE Extended?
Yes. Exam papers and exam questions are built specifically for the CAIE Biology IGCSE Extended specification, and marked to CAIE mark scheme conventions.
Can ExamPass.ai mark my handwritten Biology IGCSE Extended answers?
Yes. Photograph your handwritten answer with your phone. It’s read and marked against the stored mark scheme, and you get detailed feedback while you wait.
Will I see the same questions twice?
No. We track every question you’ve seen, and new practice sessions are built to cover ground you haven’t been tested on yet. Each session builds on the last one.