Which of these is a factor that can reduce food security in a country?
An increase in the number of farms producing crops in the region
A period of severe drought that causes crops in the region to fail
A fall in the cost of the fertilisers that farmers buy for their crops
An improvement in the storage of harvested grain across the region
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.