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Which one of the following causes kala-azar?
(a) Ascaris
(b) Trypanosoma
(c) Leishmania
(d) Bacteria
Correct Answer: (c) Leishmania
Explanation:
The causative agent of the disease "Kala-azar" is Leishmania.
Its mode of asexual reproduction is known as binary fission.
The characteristic body feature of Leishmania is the presence of a whip-like structure known as flagellum at its end.
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