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🧬 GCSE Biology

AQA Pearson Edexcel OCR CCEA

Complete revision notes for GCSE Biology covering all topics across AQA, Edexcel, OCR, CCEA specifications.

Biology — AQA (22 Topics)

B1 Cell Structure B10 Body Defences B11 Vaccines And Drugs B12 Photosynthesis B13 Respiration B14 Nervous System B15 The Endocrine System B16 Reproduction And Hormones B17 Dna And Genetics B18 Genetic Variation B19 Evolution B2 Cell Division B20 Ecosystems B21 Nutrient Cycles B22 Human Impact On The Environment B3 Transport In Cells B4 Tissues And Organs B5 Digestive System B6 The Heart And Blood B7 Plant Organisation B8 Health And Disease B9 Pathogens And Disease

Biology — Pearson Edexcel (22 Topics)

B1 Cell Structure B10 Body Defences B11 Vaccines And Drugs B12 Photosynthesis B13 Respiration B14 Nervous System B15 The Endocrine System B16 Reproduction And Hormones B17 Dna And Genetics B18 Genetic Variation B19 Evolution B2 Cell Division B20 Ecosystems B21 Nutrient Cycles B22 Human Impact On The Environment B3 Transport In Cells B4 Tissues And Organs B5 Digestive System B6 The Heart And Blood B7 Plant Organisation B8 Health And Disease B9 Pathogens And Disease

Biology — OCR (33 Topics)

Core

B1 Cell Structure B10 Body Defences B11 Vaccines And Drugs B12 Photosynthesis B13 Respiration B14 Nervous System B15 The Endocrine System B16 Reproduction And Hormones B17 Dna And Genetics B18 Genetic Variation B19 Evolution B2 Cell Division B20 Ecosystems B21 Nutrient Cycles B22 Human Impact On The Environment B3 Transport In Cells B4 Tissues And Organs B5 Digestive System B6 The Heart And Blood B7 Plant Organisation B8 Health And Disease B9 Pathogens And Disease

Higher Tier

B17 Dna And Genetics B18 Genetic Variation B18 Photosynthesis B19 Evolution B19 Plant Uses Of Glucose B20 Aerobic Respiration B20 Ecosystems B21 Anaerobic Respiration B21 Nutrient Cycles B22 Human Impact On The Environment B22 Metabolism

Biology — CCEA (22 Topics)

B1 Cell Structure B10 Body Defences B11 Vaccines And Drugs B12 Photosynthesis B13 Respiration B14 Nervous System B15 The Endocrine System B16 Reproduction And Hormones B17 Dna And Genetics B18 Genetic Variation B19 Evolution B2 Cell Division B20 Ecosystems B21 Nutrient Cycles B22 Human Impact On The Environment B3 Transport In Cells B4 Tissues And Organs B5 Digestive System B6 The Heart And Blood B7 Plant Organisation B8 Health And Disease B9 Pathogens And Disease

🧭 Board Differences

AQA

Unitised assessment (Northern Ireland), A*–G grading. Content is split across units rather than two big papers, and practical skills are tested through booklet-style practical papers alongside the written units. Check which units your exam year covers and whether your route includes the practical booklets.

Pearson Edexcel

Unitised assessment (Northern Ireland), A*–G grading. Content is split across units rather than two big papers, and practical skills are tested through booklet-style practical papers alongside the written units. Check which units your exam year covers and whether your route includes the practical booklets.

OCR

Unitised assessment (Northern Ireland), A*–G grading. Content is split across units rather than two big papers, and practical skills are tested through booklet-style practical papers alongside the written units. Check which units your exam year covers and whether your route includes the practical booklets.

CCEA

Unitised assessment (Northern Ireland), A*–G grading. Content is split across units rather than two big papers, and practical skills are tested through booklet-style practical papers alongside the written units. Check which units your exam year covers and whether your route includes the practical booklets.