Question
Which pair is not correct?
This question was previously asked in
OTET 2026 Social Studies Question Paper (5-Jul-2026)
The correct answer is
Black fever - Bacteria borne
Black fever (Kala-azar) is caused by the protozoan parasite Leishmania donovani transmitted by sandflies, not by bacteria; the other three pairs (Dengue-virus, Tetanus-bacteria, Anaemia-mineral deficiency) are correctly matched.
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