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Microbiology Questions and Answers 2024
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Microbiology Questions
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Microbiology QuestionsWhich of the following attributes make microorganisms ideal model systems for studying
life's basic processes? - answer They grow to high cell densities in a short amount of
time.
What is the name of the process in which cells take up nutrients from the environment
and convert them into new cell structures and waste products? - answer Metabolism
What is the immediate environment called where a microbial population lives? - answer
Habitat
Of the following evolutionary milestones, which occurred earlier than the Earth's
oxygenation? - answer Origin of cyanobacteria
What are the crop plants called that form symbiotic relations with the bacteria that
convert nitrogen gas into ammonia? - answer Legumes
Who was the amateur microscopist who first published drawings of bacteria? -
answerAntoni van Leeuwenhoek
Which of the following discoveries by Louis Pasteur came first?
The significance of optical isomers
The role of microorganisms in fermentation
The development of a vaccine for rabies
The defeat of the theory of spontaneous generation - answerThe significance of optical
isomers
What organism was studied by Robert Koch to help him develop his famous postulates?
- answerBacillus anthracis
What is the method called that uses specific culture media and incubation conditions to
isolate specific microorganisms? - answerEnrichment culture
Which of the following would generally not be considered a subdiscipline of applied
microbiology?
Biotechnology
Microbial systematics
Medical microbiology
Agricultural microbiology - answerMicrobial systematics
Which of the following cellular properties is NOT found in all cells?
Evolution
, Metabolism
Growth
Differentiation - answerDifferentiation
Consider the following two statements: Most bacterial species cause disease. Infectious
diseases are the leading causes of death in the United States today - answerNeither
statement I nor II is correct.
What would example of bioremediation of an oil spill in a marine environment? -
answerAdding nutrients that stimulate indigenous microorganisms to degrade the oil
What is the hypothesis called by which cells originated from nonliving matter? -
answerSpontaneous generation
What habitats is home to the largest percentage of microbial biomass on Earth? -
answerMarine subsurface
What important biochemical process takes place within these structures found on the
roots of legumes? - answerNitrogen fixation
When considering the properties of all cellular life, what two ways can cells be viewed?
Differentiating entities and genetic coding devices
Biochemical catalysts and self-propelled factories
Self-propelled factories and genetic coding devices
Biochemical catalysts and genetic coding devices - answerBiochemical catalysts and
genetic coding devices
Control of infectious diseases currently is the result of all of the following EXCEPT
_________.
the use of antimicrobial agents
increased understanding of disease processes
eradication of hundreds of pathogens
improved sanitary and public health practices - answerEradication of hundreds of
pathogens
Who is the scientist that discovered endospores? - answerCohn
A colony on a Petri plate arises from a single cell. How many cells does a typical
bacterial colony contain? - answer70
What type of glassware was used in the experiments that settled the controversy
surrounding spontaneous generation? - answerSwan-necked flask
Louis Pasteur developed vaccines for the following diseases EXCEPT _________.
fowl cholera
rabies
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