- A) Robert Koch
- B) Schaudinn and Hoffman
- C) Louis Pasteur
- D) Edward Jenner
Microbiology MCQ
Total MCQ: 174
MCQ Quiz on Microbiology
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Sourav
Score: 90%
Questions: 20
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Priyanka
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Questions: 10
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Vesnce
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Questions: 20
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Hector
Score: 40%
Questions: 10
82 Neisseria gonorrhoeae was first described by
- A) Neisser in 1879
- B) Pasteur in 1878
- C) Robert Koch
- D) None of these
83 Rh factor of the blood was discovered by scientist
- A) Louis Pasteur
- B) Landsteiner and Weiner
- C) Janskey
- D) Moss
84 The magnification power of the electron microscope developed by Knoll and Ruska is
- A) 10,000x
- B) 12,000x
- C) 15,000x
- D) 20,000x
85 The virulence of a pathogen is usually measured by
- A) LD
- B) MLD
- C) ID
- D) All of the above
86 L-forms are discovered by
- A) Klein Berger
- B) Louis Pasteur
- C) Robert Koch
- D) Antony von Leeuwenhoek
87 In an electron microscope, the source of electrons is from
- A) Mercury lamp
- B) Tungsten metal
- C) Both a and b
- D) None of these
88 The lethal dose required to kill 50% of the lab animals tested under standard conditions is called
- A) ID
- B) LD50
- C) ID50
- D) MLD
89 The causative organism of rocky mountain spotted fever was first described by
- A) Howard Ricketts
- B) da Rocha-lima
- C) Both a and b
- D) Robert Koch
90 The electrons passed out from the specimen are called
- A) Primary electrons
- B) Secondary electrons
- C) Tertiary electrons
- D) None of these