Microbiology Midterm Questions - Jersey College questions with answers

Microbiology Midterm Questions - Jersey |\ |\ |\ |\ |\




College questions with answers |\ |\ |\




(ch.1) One type of microscope that provides a three-dimensional
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image of a specimen is a - CORRECT ANSWERS ✔✔Scanning
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Electron Microscope
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(ch.1) One type of microscope capable of observing living
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microorganisms is the: - CORRECT ANSWERS ✔✔Phase-Contrast
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Microscope


(ch.1) Which scientist is most responsible for ending the
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controversy about spontaneous generation? - CORRECT
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ANSWERS ✔✔Louis Pasteur |\ |\




(ch.1) Fossils of prokaryotes go back: - CORRECT ANSWERS
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✔✔3.5 to 4.0 Billion years
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(ch.1) A(n) ____________ is not a microorganism. - CORRECT
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ANSWERS ✔✔Insect |\




(ch.1) The order of the taxonomic category is: - CORRECT
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ANSWERS ✔✔Domain, Kingdom, Phylum, Class, Order, Family,
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Genus, Species
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,(ch.1) Complex communities of microorganisms on surfaces are
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called: - CORRECT ANSWERS ✔✔Biofilms
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(ch.1) A relationship between organisms in which the waste
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product of one provides nutrients for another is called: -
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CORRECT ANSWERS ✔✔Commensalism |\ |\




(ch.1) The following industries uses microorganisms: - CORRECT
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ANSWERS ✔✔Chemical, Wine, Cheese and other food
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productions, Alcohol, Pharmaceutical Agents, Agriculture, Water
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Supply Treatment
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(ch.1) All bacteria are: - CORRECT ANSWERS ✔✔Prokaryotic cells
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(ch.1) Cells that contain a nucleus are: - CORRECT ANSWERS
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✔✔Eukaryotic Cells |\




(ch.1) The taxonomic resource for bacteria is the: - CORRECT
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ANSWERS ✔✔Bergen's Manual |\ |\




(ch.1) The proteins implicated in spongiform encephalopathy are:
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- CORRECT ANSWERS ✔✔Prions
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(ch.1) The cleanup of different industrial waste is referred to as: -
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CORRECT ANSWERS ✔✔Bioremediation
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,(ch.1) The microscope that is most commonly used to observe
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sectioned and stained tissues, organs, and microorganisms. -
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CORRECT ANSWERS ✔✔Bright-Field Microscope |\ |\ |\




(ch.1) The microscope used for the study of living plant and
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animal cells, microorganisms, and thin tissue slices, and are ideal
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for cytoplasmic streaming studies. - CORRECT ANSWERS
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✔✔Phase-Contrast Microscope |\




(ch.1) The microscope used for unfixed, unstained specimens,
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such as living organisms. - CORRECT ANSWERS ✔✔Dark-fields
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Microscope


(ch.1) The microscope used in conjunction with fluorescent stains
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and dyes. - CORRECT ANSWERS ✔✔Fluorescent Microscope
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(ch.1) The microscope that uses a beam of electrons rather than
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light as the source of energy to visualize specimens. - CORRECT
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ANSWERS ✔✔Electron Microscope |\ |\




(ch.1) Kock's postulates state: - CORRECT ANSWERS ✔✔The
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microbe must be present in every animal with the disease.
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The microbe can be isolated and grown in pure culture.
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The cultured microorganism must cause the same disease in an
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inoculated (previously healthy) animal. |\ |\ |\




The same microorganism must then be isolated from the
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diseased animal. |\

, (ch.1) Unlike __________________ cells, the ________________ cells do
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not have a cell wall or a nucleus. - CORRECT ANSWERS
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✔✔eukaryotic; prokaryotic |\




(ch.1) How can foodborne diseases generally be prevented? -
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CORRECT ANSWERS ✔✔Washing hands with hot soapy water.
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Keeping raw meat, poultry, seafood, and their juices away from
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prepared foods. |\




Cooking foods thoroughly at high enough temperatures.
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Refrigerate foods within 2 hours after cooking to slow bacterial
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growth and multiplication.
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Sufficiently cleaning all surfaces upon which food is being
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prepared.


(ch.1) Role of microorganisms in food production. - CORRECT
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ANSWERS ✔✔Non-pathogenic occur naturally, are beneficial, and
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are used as started cultures.
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(ch.2) The atomic number equals the number of: - CORRECT
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ANSWERS ✔✔Protons |\




(ch.2) A chemical bond in which electrons are equally shared is a:
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- CORRECT ANSWERS ✔✔Non polar Covalent Bond
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(ch.2) The bond between water molecules is a: - CORRECT
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ANSWERS ✔✔Hydrogen Bond |\ |\