Free OCR A Level Biology Resources
Revision notes, checklists, command words and past papers – free OCR A Level Biology resources for year 12 and Year 13, all aligned to the current H420 specification and mark schemes.

Revision Notes
Spec-aligned notes covering the most essential content in the OCR A specification. Concise concepts with mark scheme phrasing, detailed diagrams and summary tables.
152 topics
Modules 2 – 6
Online or PDF
Command Words Cheatsheet
Know exactly what each exam question is asking you to do. Clear explanations with mark scheme insights and real exam question examples.
Key command words
With examples
Online or PDF
Revision Checklists
Tick off what you have and have not covered. Every specification point for biological content organised by module.
Full spec
Modules 2 – 6
Past Papers
Practise with official OCR A Biology papers. Papers, mark schemes and examiner reports – all free to download. This is the property of OCR.
Official papers
Up to 2025
Losing marks on OCR A Level Biology exam technique?
Many students know and understand the content, but don’t know what a question wants. Our OCR exam support helps you see how these marks are lost – and how to fix it.
