Revise biology with BBC Bitesize!

Get the support you need for your biology exam revision in 2026, whether you’re studying GCSE biology, Scottish National 5 biology or Higher biology.

Check out our top tips to help you smash your GCSE science revision.

Back to top

How can I practise for my biology tests?

Hone your skills with these exam-style biology questions based on GCSE past papers. Or take our biology topics exam practice quiz which lets you choose the topic you want to revise.

Then try our quick-fire biology quizzes with over 1000 free science questions.

Biology quizzes for exam practice

We also have plenty of quizzes covering a wide range of biology topics. Select the area you want to practise and click or tap on a quiz to begin.

TopicQuiz title
Cell biologyCell structure; Types of cell; Cell division; Transport in cells
OrganisationAnimal gas exchange systems; Digestion; Animal transport systems 1; Animal transport systems 2; Plant organisation 1; Plant organisation 2; Non-communicable diseases 1; Non-communicable diseases and data analysis
HomeostasisThe nervous system; The human endocrine system; Hormones in human reproduction; Homeostasis in humans; Plant hormones
Infection and responseCommunicable diseases 1; Communicable diseases: prevention; Vaccinations and antibiotics; Bacterial growth and drug discovery; Plant disease
Inheritance, variation and evolutionSexual and asexual reproduction; The genome and gene expression; Genes and inheritance; Inherited disorders and genetic testing; Variation; Evolution; Classification of living organisms
EcologyAdaptations, interdependence and competition; Organisation of an ecosystem; Decomposition; Biodiversity and the effect of human interaction on ecosystems; Trophic levels in an ecosystem; Food production
AllChoose your own topic quiz
Back to top

Can I use biology past papers to revise?

Yes! BBC Bitesize has a selection of question papers and mark schemes ready to download, plus worked examples with step-by-step solutions, and our top tips for using past exam papers to revise for biology.

Select your exam board now.

Back to top

Can I use flashcards to revise biology?

You can in a flash! They are available in the Bitesize app or by individual topic.

See all our interactive flashcards, created by experts to help you revise with quotations, concepts and useful terms.

Back to top

Can I revise for my biology exams with videos?

BBC Bitesize has a wide range of free science videos covering cells, plants, genetics, biodiversity and more biology topics.

The explainer videos are collected together on our biology video playlist page to help you recall the key topics.

Watch the biology video playlists
Back to top

Can I revise for the biology GCSEs with audio guides?

Refresh your memory of key biology topics by listening to biology revision podcasts by BBC Bitesize and BBC Sounds.

The podcast episodes explain the key points on topics including homeostasis, cells, inheritance and ecology, with helpful science exam techniques too.

Perfect for revising at home or when you're on the move.

Listen to the biology revision podcasts
Back to top

Which GCSE biology topics are covered by BBC Bitesize study guides?

Our study guides cover a range of biology topics from cell structure and transport, hormones and homeostasis, to bioenergetics, inheritance, variation and evolution, plus practical scientific skills.

Students in England, Northern Ireland, Scotland and Wales can use the study guides to revise for their GCSEs, Highers and National 5 biology exams.

Bitesize learning materials are all written by subject-area experts with close reference to the national curriculum and examining body specifications.

Choose your exam board and start revising.

Teenage students looking through a microscope in a school lab
Back to top

Which other subjects can I revise with BBC Bitesize?

BBC Bitesize study guides cover a wide variety of subjects with explainer texts, diagrams, videos and quizzes.

We have hand-picked revision resources for core subjects like maths, chemistry, physics, combined science, English literature, English language, history, geography and computer science.

Back to top

Where can I get more support with my exam revision?

The ultimate BBC Bitesize revision collection

Revise with flashcards in the BBC Bitesize app

GCSE exam dates 2026

Support for your studies and wellbeing

Revision practice quizzes for science, maths, geography, computer science and more subjects

Revision podcasts for GCSE Biology, GSCE Chemistry, GCSE Physics, GCSE English Literature and GCSE History

Back to top