Biology Practice Test on Environmental Pollution

An undesirable change in air , water or soil due to excessive accumulation of pollutant is called pollution. There are five types of pollution: air, water, land, noise and radioactive pollution.

Biology Practice Test on Environmental Pollution

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1. Substances that can be a pollutant above a thresh hold concentration is called as
Quantitative pollutants
Qualitative pollutants
Qnthropogenic pollutants
Both A and B

2. All are quantitative pollutants except
Carbon dioxide
Carbon monoxide
Nitrogen oxides
Insecticides

3. Gradual accumulation of non-degradable pollutants from lower to higher trophic levels is called
Biological intensification
Biological magnification
Magnification
All of these

4. PAN is a combination of
Hydrogen oxides with hydrocarbons
Sulphur oxides with hydrocarbons
Nitrogen oxides with hydrocarbons
All of these

5. All are deposited pollutants except
Smoke
Tar
Dust
Ozone

6. Acidic pollutants include
Sulphuric acid, Hydrochloric acid and citric acid
Hydrochloric acid, sulphuric acid and Nitrous acid
Nitrous acid, citric acid and sulphuric acid
Sulphuric acid and Hydrochloric acid only

7. Pollution brings about
Climate change
Ecosystem degradation
Diseases and disorders
All of these

8. The reason for Environmental pollution include
Population explosion
Overexploitation of natural resources
Unplanned urbanization and unscientific industrialization
All of these

9. Which of the following statement is true
Non-degradable pollutants are non-persistent pollutants
DDT is a non-persistent pollutant
Organo phosphorous pesticides are non- persistent pollutants
Nitrates and carbonates are persistent pollutants

10. Which of the following statement is incorrect
DDT and BHC are non biodegradable pollutants
Sewage is a biodegradable pollutants
Organo phosphorous pesticides are non biodegradable pollutants
Chlorinated hydrocarbons are non biodegradable pollutants

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