The nuclear installation should be at a place where there is no inhabitation atleast within:? January 12, 2020 BILAL KHATTAK0 A.2 km B.4 km C.8 kmD.10 kmundefined
Atmospheric pollution is also caused by the gas:? January 11, 2020 BILAL KHATTAK0 A.Phosphene B.Nitrogen C.HydrogenD.Nerve gas VXundefined
Spraying of DDT on crops produces pollution of? January 11, 2020 BILAL KHATTAK0 A.Soil and water B.Air and soil C.Crops and airD.Air and waterundefined
The rdioactive fall out contaminates:? January 11, 2020 BILAL KHATTAK0 A.Soil only B.Soil and water both C.Air and water bothD.Air, soil and waterundefined
Pollution is not caused by:? January 8, 2020 BILAL KHATTAK0 A.Thermal power plant B.Automobile C.Radioactive power plantD.Hydroelectric power plantundefined
Today, concentration of green house gases is high because of:? January 8, 2020 BILAL KHATTAK0 A.Use of refrigerator B.Increased combustion of oil and coal C.DeforestationD.All the aboveundefined
Acid rain is mainly caused by increased concentration (in atmosphere) of:? January 7, 2020 BILAL KHATTAK0 A.Ozone and dust B.NH3 and SO3 C.CO and SO3D.NO2 and SO2undefined
With the increase in water pollution, the BOD:? January 6, 2020 BILAL KHATTAK0 A.Decreases B.Increases C.Remains the sameD.Is no measure of pollutionundefined
The Escherichia cells in a human excreta number in:? January 4, 2020 BILAL KHATTAK0 A.Thousands B.Hundreds C.BillionD.Millionsundefined
The most harmful component of detergents causing water pollution is:? January 4, 2020 BILAL KHATTAK0 A.Linear alkyl sulphonate B.Sulphates and phosphate C.Alkyl benzenes sulphonateD.None of theseundefined