Other pathogens: stem rust, influenza and malaria Quiz
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5 questions, one answer each
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1. How is Puccinia graminis spread between wheat fields?
- A. By mosquitoes
- B. In droplets from coughs
- C. By the wind
- D. In contaminated water
2. Which cells does Plasmodium infect after the liver?
- A. Red blood cells
- B. Epithelial cells
- C. Neurones
- D. Plant cells
3. Why does stem rust reduce wheat yield?
- A. Spores block the roots
- B. Wheat cannot take up water
- C. Infected plants make more grain
- D. Photosynthesis is reduced and nutrients are taken by the fungus
4. Which feature is true of influenza virus but not malaria?
- A. It destroys host cells
- B. It is spread by droplets without a vector
- C. It causes fever
- D. It enters host cells
5. Why do patients with malaria become anaemic?
- A. The liver stops making bile
- B. Airway cells are destroyed
- C. Red blood cells are destroyed
- D. Plasma volume rises