Cambridge IGCSE Biology, marked to the mark scheme.
Practise every topic on the Cambridge specification and get each answer checked against the published scheme, point by point — with the wording that would have earned the marks you missed.
No card needed
Built for Cambridge, not adapted to it.
Cambridge IGCSE Biology spans 21 topics, from Characteristics and Classification of Living Organisms to Biotechnology and Genetic Modification, and Exaim covers all 61 subtopics — with practice written for the Cambridge specification rather than adapted from another board's.
Biology is a subject of precise definitions: an answer that is nearly right in everyday words often earns nothing, because the mark scheme is waiting for one specific term. Exaim marks your written answers the way Cambridge's own examiners do, one marking point at a time, so every question shows you where a real mark was won or lost.
What you get with every Cambridge Biology course.
The same thing in every subject: real exam questions, marked properly, and a clear next step.
Marked like an examiner would
Write the answer in full and get it checked against your board’s published scheme, point by point, with the wording that would have earned each mark.
Built for your exact board
Not a generic summary written for everyone. Questions, notes and mark schemes all follow the specification you are actually sitting.
Practice, papers and timed mocks
Topic questions when you are learning something, full papers under exam conditions when you are ready to find out.
Handwritten work included
Photograph a written answer or a diagram and it is marked the same way — so you can revise on paper if that is how you work.
A plan that reorders itself
Every mark you drop becomes scheduled practice, so the weakest topic is always next and you never open the app wondering what to do.
How Cambridge Biology practice actually works.
Not a video you watch. A question you answer, marked the way an examiner would.
01
Answer a real exam question
Type it, write it on paper and photograph it, or draw the diagram. Full sentences, the way you would in the exam.
02
It is marked point by point
Checked against your board’s published mark scheme, one mark point at a time — with the wording that would have earned the ones you missed.
03
Your plan moves
Every mark you drop becomes scheduled practice. The weakest topic is next, so you never open it wondering what to do.
Every Cambridge Biology topic.
The whole IGCSE specification, broken into the subtopics you actually revise and get tested on.
Characteristics and Classification of Living Organisms
3- Characteristics of Living Organisms
- Concept and Uses of Classification Systems
- Features of Organisms
Organisation of the Organism
2- Cell Structure
- Size of Specimens
Movement Into and Out of Cells
3- Diffusion
- Osmosis
- Active Transport
Biological Molecules
1- Biological Molecules
Enzymes
1- Enzymes
Plant Nutrition
2- Photosynthesis
- Leaf Structure
Human Nutrition
5- Diet
- Digestive System
- Physical Digestion
- Chemical Digestion
- Absorption
Transport in Plants
4- Xylem and Phloem
- Water Uptake
- Transpiration
- Translocation
Transport in Animals
4- Circulatory Systems
- Heart
- Blood Vessels
- Blood
Diseases and Immunity
1- Diseases and Immunity
Gas Exchange in Humans
1- Gas Exchange in Humans
Respiration
3- Respiration
- Aerobic Respiration
- Anaerobic Respiration
Excretion in Humans
1- Excretion in Humans
Coordination and Response
5- Coordination and Response
- Sense Organs
- Hormones
- Homeostasis
- Tropic Responses
Drugs
1- Drugs
Reproduction
6- Asexual Reproduction
- Sexual Reproduction
- Sexual Reproduction in Plants
- Sexual Reproduction in Humans
- Sex Hormones in Humans
- Sexually Transmitted Infections
Inheritance
4- Chromosomes, Genes and Proteins
- Mitosis
- Meiosis
- Monohybrid Inheritance
Variation and Selection
3- Variation
- Adaptive Features
- Selection
Organisms and Their Environment
4- Energy Flow
- Food Chains and Food Webs
- Nutrient Cycles
- Populations
Human Influences on Ecosystems
4- Food Supply
- Habitat Destruction
- Pollution
- Conservation
Biotechnology and Genetic Modification
3- Biotechnology and Genetic Modification
- Biotechnology
- Genetic Modification
Studying a different board?
Biology is covered for every board we support at IGCSE. The specifications differ, so the practice does too.
Common questions.
How is Cambridge IGCSE Biology marked on Exaim?
You write a real exam-style answer and it is marked against Cambridge's published mark scheme, point by point — the same marking points an examiner uses. You see exactly which points you earned, which you missed, and the wording that would have earned them.
How many topics does Cambridge IGCSE Biology cover?
The whole specification: 21 topics, from Characteristics and Classification of Living Organisms to Biotechnology and Genetic Modification, broken into 61 subtopics you revise and get tested on. Every one has practice, and the full list is on this page.
Is this built for Cambridge, or a generic biology course?
Built for Cambridge. The questions, the topics and the marking all follow the Cambridge specification — not one generic biology course with a board's name on the front.
Can I try Cambridge IGCSE Biology for free?
Yes — start free with no card. You can practise Biology questions and see exactly how the marking works before you decide anything.
I sit a different board — is Biology covered for others?
Yes. IGCSE Biology is covered for Edexcel and Oxford AQA too, each built for that board's own specification. The links are further up this page.
Start Cambridge IGCSE Biology free.
Practise a few questions and see how the marking works before you decide anything.
- No card needed
- Pro is $9.99/month or $99/year
- Every subject included