Pathogenic Microorganisms Worksheet
Explore the world of pathogenic microorganisms, including bacteria, viruses, fungi, and protozoa, and their impact on human health.
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Pathogenic Microorganisms
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Read each question carefully and provide your best answer. This worksheet assesses your understanding of pathogenic microorganisms and their effects.
1. Which of the following is NOT a type of pathogenic microorganism?
Bacteria
Viruses
Fungi
Algae
2. Which type of microorganism is shown in the image below?

Bacterium
Virus
Fungus
Protozoan
3. Pathogens are microorganisms that can cause in a host organism.
4. Antibiotics are effective against but not against viruses.
5. All bacteria are harmful to humans.
True
False
6. Vaccines work by introducing a weakened or inactive form of a pathogen into the body.
True
False
7. Briefly explain the difference between a virus and a bacterium.
8. Describe two ways in which pathogenic microorganisms can be transmitted from one host to another.
Use the words below to complete the sentences.
9. A is an organism that provides nutrients and shelter to another organism.
10. The state of being resistant to a particular disease is called .