Many countries are trying to improve their food security. What is meant by food security?
having enough safe and nutritious food for all people to stay healthy
having enough farmland for every family to grow some of its own food
having enough money to buy all food from other countries if needed
having enough cold storage to stop food from going off before sale
127 exam-style questions on OCR GCSE Biology 6.2 Feeding the human race, covering 6.2.1 Biological factors affecting food security, 6.2.2 Agricultural solutions to growing demand, 6.2.3 Selective breeding, 6.2.4 Genetic engineering, 6.2.5 Steps in genetic engineering, 6.2.6 Benefits and risks of gene technology in agriculture, and 6.2.7 Biotechnological solutions to growing demand. Each one has a worked solution and a mark scheme showing where the marks go.