Long notes are boring. Brain-hack the whole 9BN0 specification with active recall and actually remember it.
Edexcel A-Level Biology A 9BN0
Edexcel A-Level Biology A (specification 9BN0) is the Salters-Nuffield course, built around eight topics and assessed by three written papers of equal weight. Topics 1 to 4 cover molecules, cells, genetics and biodiversity and are examined on every paper. Topics 5 and 6 cover ecology, climate and immunity, and topics 7 and 8 cover exercise physiology and the nervous system. Eighteen core practicals run through the course and are examined alongside the theory.
Pearson Edexcel Level 3 Advanced GCE in Biology A (Salters-Nuffield), specification 9BN0. Read the Pearson Edexcel specification ↗
Paper 1
2 hours100 marks33⅓%
Paper 2
2 hours100 marks33⅓%
Paper 3
2 hours100 marks33⅓%
8 topics, 137 subtopics. Open any topic to see what is inside it.
Pick the mode that fits the time you have.
No account needed. Answer from memory first.
How reviews are timed
Levo will automatically distribute all of your progress into a spaced repetition calendar. Once you’ve answered, it’s scheduled for you on the next day in the spaced repetition schedule. Over time, the gaps between your recall get bigger, from a day to three years, reinforcing memorisation over a long period of time.
Interval sequence
Six ways to work the same material
Common questions about revising Edexcel A-Level Biology A. Tap any to open it.
By testing yourself, not rereading. Active recall, pulling each answer from memory then checking it, builds far stronger memory than highlighting notes. Levo runs the method for you across all 8 Biology A topics and brings each one back on a spaced schedule so it stays memorised.
Skip the long notes and go straight to retrieval. Levo turns the 9BN0 specification into short questions you drill with rapid recall, cram whole papers in one sitting, and a readiness score tells you exactly what is left to learn.
There are 8 topics, split across 137 subtopics, from Lifestyle, Health and Risk, Genes and Health, Voice of the Genome and more. Every topic is listed above, and each one opens to the subtopics inside it.
Six ways to work the same material. The 3-step method for learning a set, Cram for sorting a whole paper into what you know and what you do not, Blank Blitz for making key facts automatic, Build It for assembling full-mark answers, Test It for catching misconceptions, and Brain Breaks between sessions. A readiness score tracks how much of the subject you have memorised.
Consistently, yes. Rereading feels productive but fades quickly. Retrieving an answer from memory, the way Levo tests you, is what actually forms durable memory, and it shows you honestly what you do and do not know.
Every topic on the 9BN0 specification is covered, written from the published subject content. The full list is above, and each topic opens to its subtopics so you can see exactly what is there before you subscribe.
Make it short, structured and low-pressure. Levo gives a clear daily plan, quick sessions rather than marathon ones, streaks that reward showing up, and an honest readiness score, so revision feels like progress instead of a chore. Parents can add an account and follow along.
Yes. Cram mode is built for exactly that: fly through a whole paper, sort every topic into red, amber and green, then drill just the reds and ambers you do not know yet. It is the honest version of a last-minute session.
Attempt a question from memory, write the correct version, then attempt it again. Levo records the jump between your first attempt and your last, and brings each question back on the day you are due to forget it.
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