The correct answer is option (1) as Typhoid - Caused by Salmonella typhimurium (Bacteria) Leishmaniasis - Caused by protozoan i.e., Leishmania donovani Ringworm - Caused by fungi belonging to the genera Microsporum, Trichophyton and Epidermophyton Filariasis - Caused by Wuchereria bancrofti and Wuchereria malayi (Nematode)