6 topics · 72 free flashcards

GCSE Biology flashcards

Free revision cards for students aged 14 to 16 in England, Wales and Northern Ireland, sorted by topic, with a quick quiz on every page.

About GCSE Biology

GCSE Biology covers a wide range of ideas, from the microscopic world of cells and DNA to whole-body systems such as digestion, the nervous system and hormones. It also explores how organisms interact with their environment through topics like evolution and disease. The challenge lies in the sheer volume of precise vocabulary, the need to understand processes rather than just name them, and the expectation that you can apply knowledge to unfamiliar situations in exam questions.

Biology demands that you hold hundreds of interconnected facts and processes in long-term memory. Flashcards support this by forcing you to retrieve information actively rather than simply reading it over again. Spaced repetition means you revisit cards just as you are about to forget them, which strengthens memory far more efficiently than cramming. For a subject like Biology, where one misremembered term can cost marks, this method is particularly powerful for building reliable, lasting knowledge.

Flashcards by topic

What you need to master

  • Students need a secure grasp of biological vocabulary, because using precise terms such as mitosis, osmosis or homeostasis correctly is essential for gaining marks.
  • Understanding processes as sequences of steps, for example how nerve impulses travel or how insulin regulates blood glucose, is more important than simply memorising isolated facts.
  • Students must be able to interpret graphs, tables and diagrams, since data-handling questions appear throughout the exam.
  • Knowledge of required practicals is essential, including the methods used, the variables controlled and how results should be analysed.
  • Students should practise applying their knowledge to novel contexts, as exam questions often present unfamiliar scenarios that require understanding rather than recall alone.

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GCSE Biology revision questions

How do I remember all the Biology definitions for the exam?

The most reliable method is active recall rather than passive reading. Write each key term on one side of a flashcard and the definition in your own words on the other, then test yourself regularly. Grouping related terms together, such as all the terms connected to genetics or all the hormones involved in the menstrual cycle, helps you see connections and makes definitions easier to retain over time.

Are the required practicals likely to come up in the exam?

Yes, questions based on practical work appear regularly and can cover any of the core experiments you carried out during the course, such as investigating osmosis, testing for food substances or culturing microorganisms. You should know the method, the independent and dependent variables, how to control fair testing and how to interpret results. Examiners may also ask you to suggest improvements or identify sources of error.

What is the best way to revise Biology if I find it boring?

Try connecting the content to real life, for example linking the topic of infection and response to how vaccines work in the news, or relating homeostasis to what happens to your body during exercise. Short, varied revision sessions using flashcards, diagrams and past questions tend to feel less repetitive than re-reading notes. Setting yourself small, achievable targets for each session can also make the process feel more rewarding.

How much detail do I need to know for six-mark questions?

Six-mark questions reward structured, detailed answers that show clear understanding of a process or comparison. You should aim to cover the key steps in a logical order, use precise scientific vocabulary throughout and, where relevant, explain why something happens rather than just stating that it does. Practising these answers against mark schemes will help you understand the level of detail expected and identify any gaps in your knowledge.

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Written for general GCSE revision. Exam boards and schools differ, so check your own specification for exactly what you need to know. Lerno is not affiliated with any exam board.