1. “Control of water supplies to ensure that they are pure and wholesome” is a statement of
a) WHO
b) Pollution control department
c) Department of health
d) Water supply department
2. Production of any object by an individual or institution and all the pollution that object or
activity might cause throughout its lifecycle comes under the principle of
a) Polluter pays principle
b) Principle of ‘Cradle to Grave
c) Principle of discharge/emission permit
d) Infrastructure and Basic Life Amenities
3. Overcrowded house causes
a) respiratory and skin disease.
b) Gastrointestinal diseases
c) Cardiovascular diseases
d) Congenital diseases
4. Safe water is
a) Free from harmful chemicals
b) Pleasant to taste
c) Usable for domestic purpose
d) All of the above
5. In normal soils, the minimum distance between the well and the source of contaminants
a) should never be less than 15 meters
b) should never be less than 10 meters
c) should never be more than 15 meters
d) should never be more than 10 meters
6. Diseases caused by insect vectors, especially mosquitoes, that breed or feed near water are
a) Water-washed diseases
b) Water-related diseases
c) Both (a) and (b)
d) None of the above
7. SODIS relies on………… to kill bacteria
a) Chemical treatment
b) Sun energy
c) Radiation
d) None of the above
8. Potassium Permanganate is used for disinfestations of
a) fruits and vegetables
b) water
c) air
d) instruments
9. Orthotolidine-arsenite test (OTA) is used to determine
a) amount of free chlorine residual
b) Ph of water
c) Turbidity of water
d) All of the above
10. Acid rain is a global effect of
a) Noise pollution
b) Water pollution
c) Air pollution
d) Soil pollution
11. Global warming causes
a) Increase dryness of climate,
b) reduce food production,
c) increased sea level resulting floods
d) all of the above
12. Hexachlorobenzene is a type of
a) POPs
b) DDT
c) Pollutants
d) Herbicides
13. Pesticides mainly enter into food products due to
a) Non-observance of prescribed waiting periods
b) Use of sub-standard pesticides
c) Wrong advice and supply of pesticides to the farmers by pesticide dealers
d) All of the above
14. Immediate constituent of physical environment is
a) Air
b) Water
c) Soil
d) sun
15. fertilizers is a source of
a) Domestic Source
b) Industrial Source
c) Vehicular Source
d) None of the above
16. Green Belt is a remedy for
a) Air pollution
b) Water pollution
c) Soil erosion
d) Noise pollution
17. animal dung, crop residues, grass and leaves are
a) Domestic waste
b) Agricultural waste
c) Commercial waste
d) Industrial waste
18. Disadvantages of improper disposal of Sullage
a) include the potential to contaminate the soil
b) pollute water sources and create
c) favorable breeding conditions for disease vectors
d) all of the above
19. carriage sanitation systems is used
a) Septic tanks
b) BMW
c) Bio gas
d) Sullage
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