The correct answer is option (2) 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)