AQA · GCSE · Biology · Higher
The microorganism causing measles
Measles is a communicable disease caused by a pathogen.
What type of microorganism causes measles?
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Marking points
- 1 Identifies a virus as the microorganism that causes measles.
Full-mark answer
A virus.
Why this answer loses marks
Measles is caused by a bacterium.
This gives the wrong microorganism category for the named disease.