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WorksheetsApes Sewage
Total questions: 12
Worksheet time: 6mins
Which of the following regions of the ocean is LEAST likely to contain photosynthetic organisms
Intertidal zone
Zone of coastal up-welling
Euphotic zone
Abyssal Zone
Pelagic zone
Waste from which of the following is an example of nonpoint source pollution?
Overflow from a sewage treatment plant
Outgassing from a municipal landfill
Dumping at a food-processing plant
Drainage from an abandoned mine
Runoff from agricultural fields
Of the following, which constitutes the greatest percent of domestic use of water in the United States?
Flushing toilets
Drinking
Cooking
Washing dishes
Washing clothes
Of the following, which is the best example of a point source of water pollution?
Factory effluent
Storm water
Acid precipitation
Agricultural runoff
Residential pesticide runoff
Which of the following will result in accelerated eutrophication when introduced into streams, lakes and bays?
Bacteria and viruses
Pesticides
Herbicides
Phosphates
Acid wastes and salts
The graph above shows the effect of sewage on biological oxygen demand (BOD) and dissolved oxygen (DO) in a flowing stream. The smallest fish populations will most probably be found at point
A
B
C
D
E
List the following steps of Water purification in the correct order
Step P: Water is passed through a screen to remove debris.
Step Q: Pathogenic organisms are killed by chlorination, UV, or ozone.
Step R: Suspended particles clump and settle out.
Step S: A flocking agent, such as alum, is added to the water.
P, Q, R, S
S, P, R, Q
P, S, R, Q
R, P, S, Q
S, R, P, Q
Which of the following is true of sewage treatment plants in the United States?
They release wastewater before solids are removed from the sewage.
They use stormwater runoff to assist in the treatment process.
They are not designed to remove pharmaceutical chemicals from wastewater.
They have largely eliminated cultural eutrophication in Chesapeake Bay.
They release wastewater that is not regulated by the Clean Water Act.
Which method introduces microorganisms to break down hazardous organic compounds?
Sanitary landfill
Incineration
Discharge to sewers, streams, and rivers
Chemical treatment
Biological treatment
Which method would be best suited for neutralizing the acidic components of waste?
Sanitary landfill
Incineration
Discharge to sewers, streams, and rivers
Chemical treatment
Biological treatment
Which one requires minimum safety standards for community water supplies.
Safe Drinking Water Act
Clean Water Act
Comprehensive Environmental Response Compensation and Liability Act
Resource Conservation and Recovery Act
Toxic Substances Control Act
Mandates the restoration and maintenance of the chemical, physical, and biological integrity of the nation’s waters
Safe Drinking Water Act
Clean Water Act
Comprehensive Environmental Response Compensation and Liability Act
Resource Conservation and Recovery Act
Toxic Substances Control Act
