A plant produces a chemical that prevents fungal spores from germinating. Which description explains how the chemical defends the plant?
it strengthens the wall of a pathogen
it increases the uptake of a mineral
it reduces the loss of water vapour
it inhibits the growth of a pathogen
45 exam-style questions on Edexcel GCSE Biology 5.2 Plant and body defences, covering 5.2.1 Physical plant defences, 5.2.2 Chemical plant defences, 5.2.3 Detecting plant diseases, and 5.2.4 Human physical and chemical defences. Each one has a worked solution and a mark scheme showing where the marks go.