Question:
Which of the following diseases is caused by a protozoan?
Which of the following diseases is caused by a protozoan?
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Remember: The mosquito is only the carrier (vector). The actual cause (pathogen) is the protozoan Plasmodium.
Updated On: May 30, 2026
- Tuberculosis
- Typhoid
- Malaria
- Ringworm
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept:
Human diseases are caused by various pathogens, including bacteria, viruses, fungi, and protozoans. Each category requires different treatments.
Step 2: Key Formula or Approach:
Identify the pathogen for each:
• Tuberculosis: Bacterium (Mycobacterium tuberculosis)
• Typhoid: Bacterium (Salmonella typhi)
• Malaria: Protozoan (Plasmodium)
• Ringworm: Fungus
Step 3: Detailed Explanation:
Malaria is caused by the Plasmodium parasite, which is a single-celled eukaryote (protozoan). It is transmitted to humans through the bite of an infected female Anopheles mosquito. The parasite travels to the liver and then infects red blood cells.
Step 4: Final Answer:
Malaria is the disease caused by a protozoan.
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