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2.2 Animal tissues, organs and organ systems

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Question 35
F

What must scientists find to show that a risk factor actually causes a disease?

[1]
A

A larger group of people who have both the risk factor and the disease

B

A correlation between the risk factor and the rate of the disease

C

A country in which the risk factor and the disease are both common

D

A biological process by which the risk factor brings about the disease

Markscheme

2.2 Animal tissues, organs and organ systems Questions

  1. GCSE
  2. /Biology
  3. /2.2 Animal tissues, organs and organ systems

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.

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