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Water Quality Quiz #2

True/False
Indicate whether the statement is true or false.
 

 1. 

One problem with phosphorus in a body of water is that the nutrient is continuously used and reused within the system. It takes quite a bit of time for the phosphorus level in a body of water to return to where they once were.
 

 2. 

The application of fertilizers to fields by agricultural producers is rarely a source of excess nitrogen and phosphorus that can be found in water.
 

 3. 

Pesticides used to a water pollution problem but new pesticides are safe and never pose any type of water pollution threat today.
 

 4. 

Mining releases many heavy metals into the environment that can be toxic, such as mercury.
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 5. 

Which is not a type of pesticide, as discussed in class, that is a potential surface water contamination threat?
a.
bacteriacide
b.
insecticide
c.
herbicide
d.
fungicide
 

Completion
Complete each statement.
 

 6. 

The excess enrichment of water by nutrients is known as ________________________.
 

 

Short Answer
 

 7. 

What are the three reasons why plastics are such a solid waste pollutant problem in water?
 

 8. 

What is biomagnification?
 

Essay
 

 9. 

Explain why excess nitrogen and phosphorus in water can be a severe problem for an aquatic environment? (double value question)
 



 
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