WorksheetsCE 122 Final Quiz: Microbiology and Environmental Rxns
Total questions: 20
Worksheet time: 18mins
A community of microorganisms and their physical and chemical environment that functions as an ecological unit.
(a)
The functional role of an organism within an ecosystem.
(a)
A major fungal constituent of the atmosphere followed by Puccinia graminis.
(a)
Stagnant freshwater
(a)
Microorganisms from a surface film under quiescent conditions.
(a)
The amount of DO consumed by organisms during the biochemical oxidation of organic and inorganic matter.
[spell out]
(a)
Measure of the amount of oxygen consumed by a mixed population of heterotrophic bacteria in the dark at 200C over a period of 5 days.
(a)
In secondary treatment, the organic material passing through the filter is converted to microbial biomass which forms a biofilm on the filter medium surfaces. The biofilm that form on the surface of the filter medium is called the (a) .
Organic part of MLSS
[spell out your answer]
(a)
Completely resistant to biodegradation
(a)
Microorganisms that are used to predict the presence of and/or minimize the potential risk associated with pathogenic microbes.
(a)
Characteristics of indicator microoganisms
pathogenic
rapidly detected
easily enumerated
short lived
can be strongly associated with the presence of pathogenic microorganisms
Gram-negative, non-spore-forming, rod shaped bacteria which are capable of aerobic and facultative anaerobic growth in the presence of bile-salts or other surface-active agents with similar growth-inhibiting properties.
(a)
Produces environmentally resistant spores that survive in water and in the environment for much longer periods than the vegetative cells of E. coli and other faecal indicators.
(a)
Members of the family Enterobacteriaceae and are the causative agents of typhoid and paratyphoid fever, and milder forms of gastro-enteritis.
(a)
Must be the goal, leaving Earth in a condition to support future generations with a good quality of life.
(a)
Arguably the most promising renewable energy alternative.
(a)
The practice of chemical science and manufacturing within a framework of industrial ecology in a manner that is sustainable, safe, and non-polluting and that consumes minimum amounts of materials and energy while producing little or no waste material.
(a)
The chemistry of rocks and minerals in the geosphere as it relates to the hydrosphere, atmosphere, biosphere, and, very recently in the geological timetable, the anthrosphere.
(a)
Photochemical reactions occur when photons of ultraviolet radiation split molecules apart producing reactive fragments with unpaired electrons (represented as dots in the slide) known as (a) .
