What is a pathogen?
A microorganism that causes a disease
A communicable disease
A non-communicable disease
Which of these can be a type of pathogen?
Plant
Animal
Fungus
Which of these pathogens infects plant cells?
HIV
Measles
Tobacco mosaic
Which of these two diseases are known to interact with one another?
HIV and HPV
HIV and tuberculosis
HIV and cervical cancer
Which of these diseases is caused by a bacterium?
Crown gall disease
Barley powdery mildew
Athlete's foot
What type of pathogen causes malaria?
Bacteria
Virus
Protist
Which of these methods would help stop the spread of salmonella?
Sterilising water
Cooking food thoroughly
Barrier method of contraception
Which conclusion about the graph is correct?
The number of diagnoses of HIV in the UK increased a lot from 1991 to 1997
The number of diagnoses of HIV in the UK decreased a lot from 1991 to 1997
The number of diagnoses of HIV in the UK stayed relatively constant from 1991 to 1997
Which type of pathogen causes measles in humans?
What is a symptom of barley powdery mildew disease in plants?
Tumours on the plant's roots or stem
Leaves changing colour into a mosaic pattern of yellow and white
Fluffy white patches on leaves