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 (D)</p> Signup and view all the answers

Which of the following is generally not considered a microorganism?

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

What did Louis Pasteur debunk with his discovery about microorganisms?

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

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

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

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

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

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

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

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