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Difficulty: EasyHuman Physiology, Health, and Diseases

Kala-azar (Visceral Leishmaniasis) is a major public health concern in several regions of India. Which type of microorganism is the primary causative pathogen of Kala-azar?

  1. ProtozoanAnswer
  2. B
    Bacterium
  3. C
    Virus
  4. D
    Fungus

Answer

Protozoan parasite (Leishmania donovani)
Kala-azar (Visceral Leishmaniasis) is caused by the protozoan parasite *Leishmania donovani*, which is transmitted to humans through the bites of infected female phlebotomine sandflies.

Step-by-Step Solution

1
Identify the disease and its biological agent.
Kala-azar (Visceral Leishmaniasis) is caused by the parasite *Leishmania donovani*.
Understanding the pathogen classification helps distinguish protozoal diseases from bacterial or viral infections.
2
Classify the biological parasite category.
*Leishmania donovani* is a single-celled eukaryotic parasite belonging to the phylum Protozoa.
Categorizing microorganisms accurately is fundamental in human health and disease taxonomy.

Key Concept

Infectious Disease Pathogen Classification
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Topics

Human Physiology, Health, and Diseases

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