Aphids are small insect pests that feed on plant sap and damage agricultural crops. To manage their population without using chemicals, gardeners often release ladybird beetles (ladybugs), which are natural predators of aphids, to eat them. What is the name of this type of pest control?
Bioaccumulation
Biological control
Mutualism
Chemical control
25 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.