Revise biology with BBC Bitesize!
Get the support you need for your biology exam revision in 2025, 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.
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.
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.
Can I use flashcards to revise biology?
You can in a flash! They are available in the Bitesize app or by individual topic.
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.
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.
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.
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.