Toxic metals which pollute the water are……
a) lead
b) mercury
c) both a & b
d) none of these
Agriculture chemicals which pollute the water are …………
a) insecticides
b) pesticides
c) fertilizers
d) all of these
Pollutants in water are…………
a) dangerous for living consumption
b) unfit for drinking purposes
c) both a & b
d) none of these
According to the reports of W.H.O, about ……of diseases are caused due to the polluted water in countries.
a) 60%
b) 75%
c) 80%
d) 90%
The major sources of water pollutants are…..
a) industrial and agriculture wastes
b) household wastes
c) animals wastes
d) all of these
Industrial Waste:-
