A student wrote four statements about plant defences. Which statement is correct?
Antibacterial chemicals in a plant kill the herbivores that eat it
Cellulose cell walls deter large animals from feeding on a plant
Layers of dead cells around a stem resist invading microorganisms
Thorns on a stem stop pathogens entering through the stomata
58 exam-style questions on AQA GCSE Biology 3.3 Plant disease, covering 3.3.1 Detection and identification of plant diseases and 3.3.2 Plant defence responses. Each one has a worked solution and a mark scheme showing where the marks go.