MCQs in History of Microbiology (Part II)

1. Which of the following bacteria was not discovered by Robert Koch?

a)      Bacillus anthracis

b)      Mycobacterium tuberculosis

c)       Salmonella typhi

d)      Vibrio cholerae

2. Which of the following scientist first described the usefulness of Azotobacter as a free-living nitrogen-fixing bacteria?

a)      H. Hellriegel

b)      H. Wilfarth

c)       Martinus willem Beijerinick

d)      Sergei Winogradsky

3. Which of the following scientist first showed a mutually beneficial relationship between bacteria and leguminous plants?

a)      H. Hellriegel and H. Wilfarth

b)      Nocard and Roux

c)       Sergei Winogradsky and Martinus Willem Beijerinck

d)      Welch and Nuttall

4. All of the following scientists got Nobel Prize for their contribution to the field of Microbiology except

a)      Antony Van Leeuwenhoek

b)      Elie Metchnikoff

c)       Paul Ehrlich

d)      Robert Koch

5. All of the following scientists supported the idea of “spontaneous generation” of animals except:

a)      Aristotle

b)      Francesco Redi

c)       John Needham

d)      Felix Archimede Pouchet

6. Which of the following scientist tried to disprove the spontaneous generation theory by passing air through cotton into flasks containing heated broth?

a)      Franz Schulze

b)      H. Schroder and T. Von Dusch

c)       Lazaro Spallanzani

d)      Theodor Schwann

7. Which of the following scientist tried to disprove spontaneous generation theory by passing air into his flasks through red hot tubes?

a)      Franz Schulze

b)      H. Schroder and T. Von Dusch

c)       Lazaro Spallanzani

d)      Theodor Schwann

8. Which of the following scientist tried to disprove Spontaneous generation theory by using simple goose-necked flasks?

a)      Franz Schulze

b)      H. Schroder and T. Von Dusch

c)       Louis Pasteur

d)      Theodor Schwann

9. Which of the following scientist tried to disprove the spontaneous generation theory by passing air through strong acid solutions into boiled infusions?

a)      Franz Schulze

b)      H. Schroder and T. Von Dusch

c)       Louis Pasteur

d)      Theodor Schwann

10. Which of the following scientist carried out an experiment in a specially designed box to prove dust carried the germs?

a)      H. Schroder and T. Von Dusch

b)      John Tyndall

c)       Lazaro Spallanzani

d)      Louis Pasteur

Answer Keys

1. c) Salmonella typhi
2.c)   Martinus willem Beijerinick
3.c)  Sergei Winogradsky and Martinus Willem Beijerinck (Note: Sergei Winogradsky is also known as the” father of soil microbiology”).
4. a)  Antony Van Leeuwenhoek {Koch got Nobel prize in 1905, Eile Metchnikoff (also known as the father of Natural Immunity) and Paul Ehrlich got a Nobel prize (combined) in 1908}.
Read here: Nobel Prizes Awarded for Research in Microbiology and Immunology
5.b)    Francesco Redi (He is one of the first few who tried to disprove the theory of spontaneous generation.
6.b)    H. Schroder and T. Von Dusch (the experiment was done in 1854; no growth of microorganisms was seen in the infusion).
7.d)   Theodor Schwann
8.c)   Louis Pasteur
9. a) Franz Schulze. He (1815-1873) passed air through conc. KOH or Sulfuric acid.
10.b)  John Tyndall

Test your understanding of Microbiology. Try our dedicated MCQ Quiz section for Microbiology.