Which statement is the best description of a risk factor for a disease?
Something that always leads to a person developing a disease
Something that is linked to an increased rate of a disease
Something that is found only in people who have a disease
Something that is passed between people who have a disease
179 exam-style questions on AQA GCSE Biology 2.2 Animal tissues, organs and organ systems, covering 2.2.1 The human digestive system, 2.2.2 The heart and blood vessels, 2.2.3 Blood, 2.2.4 Coronary heart disease: a non-communicable disease, 2.2.5 Health issues, 2.2.6 The effect of lifestyle on some non-communicable diseases, and 2.2.7 Cancer. Each one has a worked solution and a mark scheme showing where the marks go.