The table shows the world population and the world production of cereal crops between 1990 and 2020.
Table: The world population and the world production of cereal crops between 1990 and 2020
| Year | World population / billions | World cereal production / million tonnes |
|---|---|---|
| 1990 | 5.3 | 1770 |
| 2000 | 6.1 | 1860 |
| 2010 | 6.9 | 2240 |
| 2020 | 7.8 | 2720 |
Describe how the world population changed between 1990 and 2020. Use data from the table.
Calculate the percentage increase in world cereal production between 1990 and 2020.
World cereal production has increased. Suggest one reason why some countries still do not have food security.
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.