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6.3 The development of understanding of genetics and evolution

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Question 22
H

A resistant strain of a bacterium can spread quickly through a population of people. Which pair of reasons explains why the resistant strain spreads quickly?

[1]
A

People are not immune to the strain, and the strain reproduces by meiosis

B

People are immune to the strain, but no effective treatment is available

C

People are not immune to the strain, and no effective treatment is available

D

People are immune to the strain, and the strain reproduces very rapidly

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

71 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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