OCR AS Biology Topical 2021-20 Download Past Papers from OCR site here Paper 1 BiodiversityBiological membranes Biological moleculesCell division, cell diversity and cellular organisation Cell structureClassification and evolutionCommunicable diseases, disease prevention and the immune systemExchange surfacesNucleotides and nucleic acidsPractical Skills in BiologyTransport in animals Transport in plants Paper 2 BiodiversityBiological molecules Cell structureCommunicable diseases, disease prevention and the immune systemEnzymesExchange surfacesPractical Skills in BiologyTransport in animals Topical Solutions coming soon
