
Typhoid can be caused by the germs present in
a) fertilizers
b) pesticides
c) sewage water
d) industrial waste
The cause of polluted rain water is;
a) Road dust
b) Industrial smoke
c) Water vapors in the air
d) Oil spills
Polluted rain water damages;
a) Trees
b) Buildings
c) Life in ponds and lakes
d) All above
Most polluted river in the world is…………
a) Yamuna
b) Chenab
c) Ganga
d) none of these
The germs present in the sewage of hospitals and gutters cause;
a) Air pollution
b) Water pollution
c) Land pollution
d) Both a and b
These are the main causes of land pollution;
a) Agriculture wastes and fertilizer
b) Chemical sprayed on crops
c) Solid waste from factories
d) All of above
by at 2025-03-07 22:14:03