WorksheetsEnvMicro_Quiz9
Total questions: 10
Worksheet time: 5mins
Bioremediation can be applied for the following:
VOCs
PAHs
Explosives
All
The following are limitations to the use of bioremediation except:
Rarely restores the environment completely
Predictable success
Accidental corrosion of pipes
Accumulation of pollutant residues
The highly-desired outcome of biodegradation is:
Mineralization
Fragmentation
Dehalogenation
Transformation
The following are factors influencing biodegradation except:
Genetic potential
Pollutant factor
Environmental factor
Time factor
Which pollutant degrades faster in a week?
8 Carbon compound
12 Carbon compound
16 Carbon compound
40 Carbon compound
Biosorption:
Alters pollutant structure
Is only for dead cells
Removes pollutant via binding
Is only for bacteria
The MPN method is least effective for:
Soil samples
Water samples
Food samples
Sludge samples
Biosurfactants:
Increases bioavailability
Prevents solubilization
Is produced only by Bacillus sp.
Decreases oil-water interfacial area
The following are mechanisms of metal resistance by bacteria except:
Methylation
Siderophores
Metal binding
Proton exchange
Biodegradation can be optimized by the following except:
Adding more microbes
Adding nutrients
Eliminating surfactants
Eliminating restricting factors
