Microorganisms
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Questions and Answers

Who first observed microorganisms under the microscope?

  • Louis Pasteur
  • Jain scriptures
  • Robert Koch
  • Anton van Leeuwenhoek (correct)
  • Which scientist debunked the theory of spontaneous generation by showing that microorganisms caused food spoilage?

  • Jain scriptures
  • Louis Pasteur (correct)
  • Robert Koch
  • Anton van Leeuwenhoek
  • Which diseases were discovered to be caused by microorganisms in the 1880s?

  • Malaria, typhoid, influenza, and smallpox
  • Tuberculosis, cholera, diphtheria, and anthrax (correct)
  • Pneumonia, hepatitis, meningitis, and leprosy
  • Yellow fever, measles, mumps, and rubella
  • Which domain of life only contains microorganisms?

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

    Which of the following is generally not considered a microorganism?

    <p>Multicellular organisms</p> Signup and view all the answers

    What did Louis Pasteur debunk with his discovery about microorganisms?

    <p>Theory of spontaneous generation</p> Signup and view all the answers

    In which century were the possible existence of unseen microbial life suspected?

    <p>Fifth century BC</p> Signup and view all the answers

    Who discovered that microorganisms caused the diseases tuberculosis, cholera, diphtheria, and anthrax?

    <p>Robert Koch</p> Signup and view all the answers

    Which domain of life includes all multicellular organisms as well as many unicellular protists and protozoans that are microbes?

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

    Where did the scientific study of microorganisms begin with their observation under the microscope?

    <p>1670s</p> Signup and view all the answers

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