TALARO’S FOUNDATION IN MICROBIOLOGY
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True/false - write 't' if the statement is true and 'f' if the statement is false.
1) Members of the same species share many morecharacteristics compared to those
shared by members of the same kingdom.
⊚ true
⊚ false
2) Viruses are not classified in any of whittaker's fivekingdoms.
⊚ true
⊚ false
3) Members of the kingdom fungi are photosynthetic.
⊚ true
⊚ false
4) A scientist studying helminthes is working with bacteria.
⊚ true
⊚ false
5) The fossil record has established that prokaryotes existed on earth for approximately two
billion years before eukaryotes evolved.
⊚ true
⊚ false
6) It has been over 25 years since a new infectious disease has emerged in the world.
⊚ true
⊚ false
7) The term sterile means free of all life-forms.
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, ⊚ true
⊚ false
8) All microorganisms are parasites.
⊚ true
⊚ false
9) During a scientific experiment, the control group is used to directly test or
measure the consequences of a variable in the study.
⊚ true
⊚ false
10) The scientific method involves formulating a tentative explanation, called the
hypothesis,t o account for what has been observed or measured.
⊚ true
⊚ false
11) Once an organism is assigned to a particular taxonomic hierarchy, it is permanent and
cannot be revised.
⊚ true
⊚ false
12) When the results of an experiment support a hypothesis, the hypothesis can now
be considered a theory.
⊚ true
⊚ false
13) The names of the threeproposed domains are: bacteria, protista, eukaryote.
⊚ true
⊚ false
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,14) One distinguishing characteristic of archaeais that they live in extreme environments.
⊚ true
⊚ false
15) Some microorganisms can photosynthesize, but their overall contribution to
earth'sa tmospheric oxygen is very small in comparison to plant photosynthesis.
⊚ true
⊚ false
16) Any microorganism on or in the human body is considered a pathogen.
⊚ true
⊚ false
17) Theories are supported by more evidence than hypotheses.
⊚ true
⊚ false
Multiple choice -
Choose the one alternative that best completes the statement oranswers the question.
18) Disease-causing microorganisms are called
A) Decomposers.
B) Prokaryotes.
C) Pathogens.
D) Eukaryotes.
E) Fermenters.
19) The microorganisms that recycle nutrients by breaking down dead matter and
wastes arec alled
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, A) Decomposers.
B) Prokaryotes.
C) Pathogens.
D) Eukaryotes.
E) Fermenters.
20) The microorganisms that do not have a nucleus in their cells are called
A) Decomposers.
B) Prokaryotes.
C) Pathogens.
D) Eukaryotes.
E) Fermenters.
21) When humans manipulate the genes of microorganisms, the process is called
A) Bioremediation.
B) Geneticengineering.
C) Epidemiology.
D) Immunology.
E) Taxonomy.
22) Which of the following are not considered microorganisms?
A) Mosquitoes
B) Protozoa
C) Bacteria
D) Viruses
E) Fungi
23) All microorganisms are best defined as organisms that
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, A) Cause humandisease.
B) Lack a cellnucleus.
C) Are infectiousparticles.
D) Are too small tobe seen with the unaided eye.
E) Can only be found growing inlaboratories.
24) Which activity is an example of biotechnology?
A) Bacteria in the soil secrete an antibiotic to kill competitors.
B) A microbiologist uses a microscope to study bacteria.
C) Humans use yeast to make beer and wine.
D) Mycobacterium tuberculosis causes tuberculosis in the lungs.
E) Public health officials monitor diseases in a community.
25) Which of the following is a unique characteristic of viruses that distinguishes them
fromt he other major groups of microorganisms?
A) Viruses cause human disease.
B) Virusesare composed of cells that lack nuclei.
C) Viruses cannot be seen without an electron microscope.
D) Viruses contain genetic material.
E) Viruses lack ribosomes.
26) Who was the dutch merchant that made and used quality magnifying lenses to see
andr ecord microorganisms?
A) Francesco redi
B) Antonie van leeuwenhoek
C) Louis pasteur
D) Joseph lister
E) Robert koch
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,27) Pasteur used swan-neck flasks in his experiments to prove that
A) Air had "vitalforces" capable of spontaneous generation.
B) Microbialfermentation could be used to make wine.
C) Dust in air was asource of living microorganisms.
D) Microorganismscould cause disease.
E) Microorganisms could be grown inlaboratory infusions.
28) Which of the following is not a process in the scientific method?
A) Belief in a preconceived idea
B) Formulation of a hypothesis
C) Systematic observation
D) Laboratory experimentation
E) Development of a theory
29) Spontaneous generation is the idea that
A) Germs cause infectious diseases.
B) Microbes arediverse and ubiquitous.
C) Microbes placedin an infusion can grow in it.
D) Aseptictechniques reduce microbes in medical settings.
E) Living things arise from nonlivingmatter.
30) Koch's postulates are criteria used to establish that
A) Microbes arefound on dust particles.
B) A specificmicrobe is the cause of a specific disease.
C) Life-forms can only arise from preexisting life-forms.
D) A specificmicrobe should be classified in a specific kingdom.
E) Microbes can be used to clean up toxicspills.
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,31) Which of the following is a taxon that contains all the other taxa listed?
A) Species
B) Phylum
C) Kingdom
D) Genus
E) Family
32) Which of the following is a scientific name?
A) Bacteria
B) Protista
C) Species
D) Bacillussubtilis
E) Bacilli
33) Taxonomy does not involve
A) Nomenclature.
B) Classification.
C) Taxa.
D) Identification.
E) Koch's postulates.
34) The smallest taxon is
A) Genus.
B) Species.
C) Kingdom.
D) Family.
E) Phylum.
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,35) The study of evolutionary relationships among organisms is called
A) Biotechnology.
B) Genetics.
C) Recombinantdna.
D) Phylogeny.
E) Taxonomy.
36) A scientist studying similarities in the sequence of nucleotides in rrna of two
bacterials pecies is working on
A) Determiningevolutionary relatedness.
B) Bioremediation.
C) Recombinantdna.
D) Nomenclature.
E) Determining if that species is thecause of a new disease.
37) A scientist discovers a new microbial species. It is a single-
Celled eukaryote without cellwalls. In which kingdom will it likely be classified?
A) Monera
B) Protista
C) Fungi
D) Animalia
E) Plantae
38) A scientist collecting grass clippings to find thevsource of an outbreak of tularemia is
ane xample of working in the field of
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, A) Foodmicrobiology.
B) Epidemiology.
C) Agriculturalmicrobiology.
D) Geneticengineering.
E) Biotechnology.
39) Helminths are
A) Bacteria.
B) Protozoa.
C) Molds.
D) Parasiticworms.
E) Infectious particles.
40) All of the following pertain to photosynthesis, except
A) It occurs only inmembers of the kingdom plantae .
B) Carbon dioxide isconverted to organic material.
C) It contributes tothe oxygen content in the atmosphere.
D) It is fueled bylight.
E) It is important to each ecosystem'sflow of energy and food.
41) Organisms called parasites are
A) Always classifiedin the kingdom monera.
B) Always harmful totheir host.
C) The decomposersin ecosystems.
D) Alwaysviruses.
E) Free-living.
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