Name the type of pathogen that causes tobacco mosaic disease.
[1]
b.
Name the type of pathogen that causes rose black spot.
[1]
c.
Aphids damage plants but they are not pathogens. Name the type of organism an aphid is.
[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.