Contagion: Understanding Disease Transmission
This worksheet explores the principles of contagion, including modes of transmission, types of pathogens, and methods of prevention, suitable for Grade 11 science students.
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Contagion: Understanding Disease Transmission
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Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.
1. Which of the following is NOT a common mode of disease transmission?
Direct contact
Vector-borne
Airborne
Teleportation
2. Which type of pathogen is shown in the diagram below?
Bacteria
Virus
Fungus
Parasite
3. The study of how diseases spread in populations is called .
4. A is an organism that transmits a pathogen from one host to another without itself developing the disease.
5. Describe two ways in which the human immune system defends against pathogens.
6. Antibiotics are effective against viral infections.
True
False
7. The illustration below represents a typical bacterial cell.
True
False
Use the words below to complete the sentences.
8. A disease outbreak that affects many people in a community or region is called an .
9. The process of administering a weakened or inactive form of a pathogen to stimulate an immune response is known as .
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