A new fungal pathogen spreads through the banana plantations of a country in which bananas are the main food crop. Which of these is the most direct effect on food security in that country?
The population of the country rises because fewer people move away to find work
The cost of fertiliser falls in the country because farmers buy less of it each year
Less food is produced, so there is not enough to feed the population of the country
The diet of people in the country changes, so more food is transported from abroad
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.