Complete the analogy: Mosquito : Malaria :: Water : Cholera :: Rat : ?
ADisease
BPlague
CDeath
DFever
Answer & Solution
Correct answer: B. Plague
1. Each pair links a carrier to the disease it spreads.
2. Mosquito spreads malaria and contaminated water spreads cholera.
3. Rats spread plague, so the missing word is plague.
_Source: RRB Group D (RRC) PYQ, held 27-10-2013, Q.12._