Plant diseases are often noticed first from the signs shown by an infected plant.
a.
Give three signs that a plant may be diseased.
[3]
b.
Give one reason why it is important to detect a plant disease early.
[1]
Markscheme
3.3 Plant disease Questions
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.