Microbes in Our Environment
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Microbes in Our Environment

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Questions and Answers

What term is used to refer to non-living microbes in microbiology?

  • Cellular microbes
  • Viroids (correct)
  • Microorganisms
  • Pathogens

    • Which of the following is an example of an acellular microbe?

  • Viroids (correct)
  • Protozoa
  • Algae
  • Bacteria

    • Where are microorganisms found according to the text?

  • Only in water
  • Nowhere, they are microscopic
  • Only in soil
  • Virtually everywhere (correct)

    • Which of the following is NOT a living microorganism?

    <p>Prions</p> Signup and view all the answers

    What differentiates acellular microbes from cellular ones?

    <p>Size</p> Signup and view all the answers

    What are considered as the candidates for the first microorganisms on Earth?

    <p>Archaea and cyanobacteria</p> Signup and view all the answers

    In what year did an outbreak of small pox-like disease occur in China?

    <p>1122 BC</p> Signup and view all the answers

    What is the first step of Koch's postulates in determining the cause of a disease?

    <p>Finding a particular microbe in all cases of the disease</p> Signup and view all the answers

    Which field within microbiology involves the study of pathogens and the diseases they cause?

    <p>Medical Microbiology</p> Signup and view all the answers

    What does a microbiologist study?

    <p>Microbes</p> Signup and view all the answers

    Which area is NOT a career field within microbiology?

    <p>Entomology</p> Signup and view all the answers

    Which organisms are responsible for producing much of the oxygen in our atmosphere?

    <p>Photosynthetic algae and bacteria</p> Signup and view all the answers

    What is the term for organisms that live on dead and/or decaying organic matter?

    <p>Saprophytes</p> Signup and view all the answers

    What is the process called when microbes are used to clean up toxic wastes and other industrial waste products?

    <p>Bioremediation</p> Signup and view all the answers

    What do we call microbes that cause diseases?

    <p>Pathogens</p> Signup and view all the answers

    Which term refers to microbes that can cause disease but usually do not?

    <p>Opportunistic pathogens</p> Signup and view all the answers

    What is the scientific term for microbes that do not cause diseases?

    <p>Nonpathogens</p> Signup and view all the answers

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