The Science of Microbiology: Fields and Occupations
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Questions and Answers

Who is credited with describing methods for the easy microscopic examination of bacteria in 1877?

  • Robert Koch (correct)
  • Louis Pasteur
  • Anton van Leeuwenhoek
  • Paul Ehrlich

In which year did Robert Koch discover the causal agent of tuberculosis?

  • 1882 (correct)
  • 1883
  • 1890
  • 1876

What is a limitation of Koch's postulates as described in the text?

  • They are easy to meet for all pathogens
  • All viruses meet Koch's postulates easily
  • Some organisms cannot be grown on artificial media (correct)
  • All pathogens can be cultured on artificial medium

What is the term used to describe the hypersensitivity reaction observed in a guinea pig infected with the tubercle bacillus as mentioned in the text?

<p>Koch's phenomenon (A)</p> Signup and view all the answers

Which scientist is known as the father of bacteriology?

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

What did Robert Koch device a simple method for, as mentioned in the text?

<p>Isolating pure cultures of bacteria (D)</p> Signup and view all the answers

Which disease's causal agent has NOT been cultured on artificial medium so far as per the text?

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

What term refers to Robert Koch's criteria for proving the causal relationship between a microorganism and a specific disease?

<p>Koch's laws (D)</p> Signup and view all the answers

In which year did Robert Koch observe Koch's phenomenon?

<p>1890 (C)</p> Signup and view all the answers

What discovery was made by Robert Koch about cholera as per the text?

<p>Causal agent of cholera (B)</p> Signup and view all the answers

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