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2.2 Animal tissues, organs and organ systems

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Question 104
F

The risk of developing cancer increases with age. A scientist suggests that this is because mutations build up in body cells during a person's life. Which observation would best support this suggestion?

[1]
A

Older people are more likely to have inherited a faulty gene

B

Older cells contain more mutations in genes controlling division

C

Older people are exposed to fewer carcinogens than young people

D

Older tumours contain more cells than recently formed tumours

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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