Question 1

What are nutrients that get into the water to cause eutrophication?

Accepted Answer

Nitrates and Phosphates

Answer

Phosphates and nitric acid

Answer

Nitrates and Lead

Answer

Nitrogen fixation and ammonia

Question 2

Which one of these measures the cloudiness of water?

Accepted Answer

Turbidity

Answer

Fecal Coliform

Answer

Total Dissolved Solids

Answer

Biological Oxygen Demand

Question 3

Which one of these measures the amount of oxygen is needed for decomposition

Accepted Answer

B.O.D.

Answer

Fecal Coliform

Answer

D.O.

Answer

pH

Question 4

A Secchi Disk is used in which test?

Accepted Answer

Turbidity

Answer

Total Dissolved Solids

Answer

B.O.D.

Answer

D.O.

Question 5

Which one of these measures the amount of oxygen present in water?

Accepted Answer

D.O.

Answer

B.O.D.

Answer

Turbidity

Answer

pH

Question 6

Solubility of gases tends to ______________ while the temperature _______________.

Accepted Answer

increase; decrease

Answer

increase; increase

Answer

decreases; decrease

Question 7

Solubility and Temperature have an ______________ relationship in relation to gases

Accepted Answer

inverse

Answer

direct

Question 8

Measures the amount of E. Coli in the water

Accepted Answer

Fecal Coliform

Answer

Total Suspended Solids

Answer

Turbidity

Answer

Biological Oxygen Demand

Question 9

Which is NOT a characteristic of an oligotrophic lake?

Accepted Answer

Low dissolved oxygen levels

Answer

Low nutrient levels

Answer

Clear

Answer

Stable algae population

Question 10

Oligotrophic lakes are better (healthier) than Eutrophic lakes

Accepted Answer

TRUE

Answer

FALSE

Question 11

Which is an example of POINT source pollution?

Accepted Answer

sewage coming out of a pipe from a hog farm

Answer

Excess nutrients found in the Mississippi river from wastewater treatment plants and runoff from agriculture

Answer

Oils and grease found in a storm drain

Question 12

Which is NOT part of the zones found on the oxygen SAG curve?

Accepted Answer

Die-off

Answer

Recovery

Answer

Decomposition

Answer

Septic

Question 13

Plants that are living inside of a lake can die when an algae bloom occcurs

Accepted Answer

True

Answer

False

Question 14

Riparian buffers (vegetation) aids in preventing run-off and erosion

Accepted Answer

True

Answer

False

Question 15

The process of decomposition

Accepted Answer

Decreases D.O.

Answer

Increases TSS

Answer

Increases organic waste

Answer

Increases D.O.

Question 16

Which act deals with the water quality standards that have to be met before human consumption?

Accepted Answer

Safe drinking water act

Answer

Clean water act

Answer

clean water/safe drinking water act

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