1. AS AQA Biology UNIT 1 Chapter 1 Revision QuizCauses of disease Total: ___ / 16 ___ %

2. 1. What is a pathogen? (1) ....... 2. Name the two ways that microorganisms can enter the body. (2) ....... ....... 3. Name the two main ways that pathogens cause disease? (2) ....... ....... 4. Name 5 lifestyle choices that can lead to cancer. (5) ....... ....... 5. Over what BMI brings an increased risk of heart disease? (1) ....... 6. Name some experimental data that was collected related to smoking? (1) ....... ....... 3. 7. Which type of fats do you need to avoid to reduce the rick of cancer and CHD? (1) ....... 8. What word is used to describe chemicals that cause cancer? (1) ....... 9. In what ways have the government tried to reduce smoking? (2) ....... ....... .......