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Transmission Chain / Type — UPSC CMS MCQs (Preventive & Social Medicine) · 2 questions

2023 P2 Q113

Q1. In which one of the following vector-borne diseases, the transmission chain is ‘Man-Snail-Man’?

Fish tapeworm
Malaria
Onchocerciasis
Schistosomiasis

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 272

2025 P2 Q116

Q2. A housefly transmits any infectious agent by which of the following methods, most commonly?

Propagative transmission
Mechanical transmission
Cyclo-propagative transmission
Cyclo-developmental transmission

Answer & explanation — reveal it in the interactive practice above.

PYQ 2020–2025 — page 468