A food cooperative is reviewing its meal plan. It plans to serve 180 kg of meat. Producing 1 kg of this meat requires 5.0 kg of plant material as animal feed.
Calculate the mass of plant material needed to produce the meat in the meal plan.
Explain why using this plant material to feed people directly could improve food security.
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.