AQA

Unit 1
Unit 2
Unit 3

CIE

Paper 1
Paper 2
Paper 3
Paper 4
Paper 5
Paper 6

Edexcel

GCSE

Unit 1
Unit 2
Unit 3

IGCSE

Paper 1
Paper 2

OCR

Biology A
(21st Century)

Unit 1
Unit 2
Unit 3

Biology B
(Gateway)

Unit 1
Unit 2

WJEC

Unit 1
Unit 2
Unit 3

9-1 GCSEs (UK)

AQA

Paper 1
Paper 2

Edexcel

Paper 1
Paper 2

OCR

Biology A
(Gateway)

Paper 1
Paper 2
Paper 3
Paper 4

OCR

Biology B
(21st Century)

Paper 1
Paper 2
Paper 3
Paper 4

WJEC

England

Component 1
Component 2

Wales

Unit 1
Unit 2
Unit 3