Natural Water Purification Processes Quiz

Which factor influences the speed and completeness of natural water purification processes?

What has caused the pollution of smaller streams and larger lakes according to the text?

What type of processes are involved in the self-purification mechanisms of natural water systems?

What system variables influence the natural purification process according to the text?

Which process affects the rate of heat transfer in bodies of water?

What is the sum total of the processes by which living organisms assimilate and use food for subsistence, growth, and reproduction?

Which organisms are the primary decomposers of organic material?

What type of bacteria functions as aerobes when O2 is present and anaerobic in the absence of O2?

What do protozoa reproduce by?

What type of organisms are voracious consumers of organic material and are important members of the aquatic community?

What is the extent to which a gas is soluble in water called?

What provides the energy for the synthesis of new cells and the maintenance of other cell functions?

What are the autotrophic, photosynthetic organisms which metabolize the waste product of heterotrophic bacteria while obtaining energy from sunlight?

What type of bacteria require O2 in their metabolic process?

What are the organisms that derive both energy and material from inorganic sources?

What are the chemical reactions that are biologically mediated and require external sources of energy for initiation?

Which process is nature's method of removing suspended particles from watercourses?

What does the assimilative capacity of surface waters refer to?

What is the drawback of natural sedimentation?

What is the economical means of wastewater disposal historically considered?

How can the dilution capacity of a stream be calculated?

What are suspended solids common water pollutants that increase?

When is resuspension of solids common?

In what way does filtration occur in natural water purification processes?

What is an important part of the natural purification process in terms of gas?

What is essential for managing water and wastewater treatment plants?

What is the term for the amount of contaminant load that can be discharged into surface waters without exceeding water quality guidelines?

What is the drawback of natural sedimentation in watercourses?

What process occurs as water percolates through the streambed and into groundwater aquifers?

What is the common consequence of resuspension of solids during flooding or heavy runoff?

What is an important part of the natural purification process in terms of gas?

What is the term for the autotrophic, photosynthetic organisms which metabolize the waste product of heterotrophic bacteria while obtaining energy from sunlight?

What is the term for the sum total of the processes by which living organisms assimilate and use food for subsistence, growth, and reproduction?

What are common water pollutants that increase turbidity and reduce light penetration?

What system variables influence the natural purification process?

What is the extent to which a gas is soluble in water called?

What type of bacteria require O2 in their metabolic process?

What is essential for managing water and wastewater treatment plants?

What does the assimilative capacity of surface waters refer to?

What was historically considered an economical means of wastewater disposal?

What is the drawback of natural sedimentation in watercourses?

What is a common consequence of flooding or heavy runoff in relation to solids in water?

How does filtration occur in natural water purification processes?

What is an important aspect of natural purification processes in relation to gas transfer?

What is essential for managing water and wastewater treatment plants according to the text?

What does the dilution capacity of a stream depend on?

What do suspended solids commonly do to water quality?

What is nature's method of removing suspended particles from watercourses?

What is a common consequence of natural sedimentation in watercourses?

What is the primary focus for managing water and wastewater treatment plants according to the text?