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7.5 Food production

7.5 Food production

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Question 15
F

The mass of cod in an area of sea was 250 000 tonnes in 1980. By 2000 the mass had fallen to 60 000 tonnes.

What was the percentage decrease in the mass of cod?

[1]
A

24%

B

190%

C

76%

D

317%

Markscheme

7.5 Food production Questions

  1. GCSE
  2. /Biology
  3. /7.5 Food production

42 exam-style questions on AQA GCSE Biology 7.5 Food production, covering 7.5.1 Factors affecting food security, 7.5.2 Farming techniques, 7.5.3 Sustainable fisheries, and 7.5.4 Role of biotechnology. Each one has a worked solution and a mark scheme showing where the marks go.

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