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6.3 The development of understanding of genetics and evolution

6.3 The development of understanding of genetics and evolution

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Question 19
F

A hospital reduces unnecessary antibiotic prescriptions and improves hand washing between patients.

Which row correctly links each action with its main effect on resistant bacterial infections?

[1]
A

Fewer prescriptions reduce selection for resistance; hand washing reduces transfer between patients.

B

Fewer prescriptions reduce transfer between patients; hand washing reduces selection for resistance.

C

Fewer prescriptions reverse mutations causing resistance; hand washing reduces transfer between patients.

D

Fewer prescriptions reduce selection for resistance; hand washing reverses mutations causing resistance.

Markscheme

6.3 The development of understanding of genetics and evolution Questions

  1. GCSE
  2. /Biology
  3. /6.3 The development of understanding of genetics and evolution

40 exam-style questions on AQA GCSE Biology 6.3 The development of understanding of genetics and evolution, covering 6.3.1 Theory of evolution, 6.3.2 Speciation, 6.3.3 The understanding of genetics, 6.3.4 Evidence for evolution, 6.3.5 Fossils, 6.3.6 Extinction, and 6.3.7 Resistant bacteria. Each one has a worked solution and a mark scheme showing where the marks go.

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