A gardener finds that one of the plants in a garden is diseased.
Name three ways in which the cause of the disease could be identified.
Give one advantage of using a testing kit rather than sending the plant to a laboratory.
Explain why using a gardening manual may not identify the cause of the disease correctly.
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.