Question

Which one of the following options gives the correct matching of a disease with its causative organism and mode of infection:

	Disease	Causative Organisms	Mode of Infection
$\left(A\right)$	Elephantiasis	Wuchereria bancrofti	With infected water and food
$\left(B\right)$	Malaria	Plasmodium vivax	Bite of male Anopheles mosquito
$\left(C\right)$	Typhoid	Salmonella typhi	With inspired air
$\left(D\right)$	Pneumonia	Streptococcus pneumoniae	Droplet infection

Answer 1

Typhoid is a bacterial infection caused by the bacteria Salmonella typhi. Only human beings get infected, and the mode of infection is due to poor sanitation and unhygienic environment. It is spread through the eating or drinking contaminated food and water.
Pneumonia is an inflammatory condition of the lungs caused by bacteria Streptococcus pneumoniae. It is transmitted through the droplets from sneeze and cough.
Elephantiasis or Filariasis is a tropical parasitic disease caused by the filarial worm Wuchereria bancrofti and is transmitted through the female mosquitoes.
Malaria is a disease caused by a plasmodium parasite and is transmitted by the bite of infected female Anopheles mosquito. mosquitoes.

So, the correct answer is D.
Answer. (D)