Pathogenic Microorganisms Worksheet
Grade 12 Science worksheet covering the characteristics, transmission, and impact of pathogenic microorganisms including bacteria, viruses, fungi, and protozoa.
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Standards
Topics
Pathogenic Microorganisms
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Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. Which of the following is NOT a characteristic of a virus?
Contains genetic material (DNA or RNA)
Possesses a cell wall and ribosomes
Requires a host cell for replication
Is typically much smaller than bacteria
2. Pathogenic bacteria can cause disease by producing , which are harmful substances, or by directly damaging host .
3. Fungal infections are often called , and they can affect various parts of the body, including the skin, nails, and internal organs.
4. Briefly explain the difference between a prokaryotic and eukaryotic pathogen, providing an example of each.
5. Describe two common modes of transmission for pathogenic microorganisms and provide an example for each.
6. All microorganisms are pathogenic and cause disease.
True
False
Match each type of microorganism with its description.
7. Bacteria
a. Non-living infectious agent, requires host cell
8. Virus
b. Single-celled prokaryotic organisms
9. Fungi
c. Eukaryotic organisms, can be single-celled or multicellular
10. Protozoa
d. Single-celled eukaryotic organisms, often motile
11. Observe the diagram below:
Based on the image, identify two key structures of this microorganism and explain their function.