Environmental Science Quiz 11-3
 
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Environmental Science Quiz 11-3

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 
 
Section 3  -  Water Pollution
 

 1. 

Point-source pollution and nonpoint-source pollution differ in
a.
the kind of biological agents causing the pollution.
b.
whether the source of pollution is agricultural or industrial.
c.
the number of sources from which the pollution is discharged.
d.
whether the pollutants are chemical or physical agents.
 

 2. 

Fertilizers are classified as which kind of water pollutant?
a.
organic chemicals
b.
inorganic chemicals
c.
heavy metals
d.
physical agents
 

 3. 

One reason polluted groundwater pollution is difficult to clean is that
a.
the location of underground storage tanks is not always known.
b.
pollutants cling to the materials that make up aquifers.
c.
runoff contaminates the water supply.
d.
All of the above
 

 4. 

Sources of ocean pollution include
a.
oil spills.
b.
direct dumping of wastewater.
c.
activities on land.
d.
All of the above
 

 5. 

Which Act strengthened the laws against dumping waste in U.S. waters?
a.
Marine Protection, Research
b.
Clean Water Act and Sanctuaries Act
c.
Water Quality Act
d.
both (a) and (b)
 

Matching
 
 
Section 3  -  Water Pollution

Choose the letter of the term or phrase that best matches the description.
a.
thermal pollution
d.
artificial eutrophication
b.
wastewater
e.
water pollution
c.
biomagnification
 

 6. 

accumulation of pollutants at successive levels of the food chain
 

 7. 

introduction of chemical, physical, or biological agents into water
 

 8. 

accelerated build-up of nutrients caused by humans
 

 9. 

water that contains waste from industry or homes
 

 10. 

results in an increase of water temperature
 



 
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