$1.$ Which organization sets standards for drinking water quality globally?a$)$ United Nationsb$)$ World Health Organization $($WHO$)$c$)$ Environmental Protection Agency $($EPA$)$d$)$ International Standards Organization $($ISO$)$BIS standards for drinking water in India are set by:a$)$ Bureau of Indian Standardsb$)$ Indian Health Ministryc$)$ Ministry of Environment and Forestsd$)$ Indian Council of Medical ResearchWhat is the maximum permissible limit of Total Dissolved Solids $($TDS$)$ in drinking water according to WHO standards?a$)500$ ppmb$)1000$ ppmc$)1500$ ppmd$)2000$ ppmWhich of the following parameters is NOT typically regulated in drinking water standards?a$)$ pHb$)$ Turbidityc$)$ Fluoride contentd$)$ Vitamin C content