A-level Biology

AQA AS Biology

Welcome to the downloads page for AQA AS Biology. Here you will find extra resources to help you get ready for the big day, including answers to the exam practice questions.

Unit 1 Biology and disease

1 The causes of disease

• Exam practice answers 1
• Quick quiz 1

2 The digestive system

• Exam practice answers 2
• Quick quiz 2

3 Cells, diffusion and absorption

• Exam practice answers 3
• Quick quiz 3

4 The lungs and lung disease

• Exam practice answers 4
• Quick quiz 4

5 The heart and heart disease

• Exam practice answers 5
• Quick quiz 5

6 The immune system

• Exam practice answers 6
• Quick quiz 6

Unit 2 The variety of living organisms

7 The nature of variation

• Exam practice answers 7
• Quick quiz 7

8 DNA and cell division

• Exam practice answers 8
• Quick quiz 8

9 Genetic diversity and selection

• Exam practice answers 9
• Quick quiz 9

10 Surface area, volume, gas exchange and transport

• Exam practice answers 10
• Quick quiz 10

11 Biodiversity and classification

• Exam practice answers 11
• Quick quiz 11