- A) LD
- B) MLD
- C) ID
- D) All of the above
Microbiology MCQ
Total MCQ: 174
MCQ Quiz on Microbiology
Quiz Leaderboard
1st
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Debabrata
Score: 100%
Questions: 20
2nd
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Debabrata
Score: 100%
Questions: 20
3rd
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Debabrata
Score: 100%
Questions: 20
4th
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Sourav
Score: 90%
Questions: 20
5th
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Nischal
Score: 90%
Questions: 10
6th
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Priyanka
Score: 90%
Questions: 10
7th
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Martin
Score: 65%
Questions: 20
8th
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Vesnce
Score: 45%
Questions: 20
9th
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Hector
Score: 40%
Questions: 10
10th
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Sabhyata
Score: 40%
Questions: 10
102 L-forms are discovered by
- A) Klein Berger
- B) Louis Pasteur
- C) Robert Koch
- D) Antony von Leeuwenhoek
103 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
104 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
105 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
106 The electrons passed out from the specimen are called
- A) Primary electrons
- B) Secondary electrons
- C) Tertiary electrons
- D) None of these
107 The most important virulence factors are
- A) Adhesions
- B) Invasiveness
- C) Toxigenicity
- D) Enzymes
108 The term bacteriophage was coined by
- A) De’Herelle
- B) F.W. Twort
- C) Beijernick
- D) Jwanosky
109 Mycorrhiza was first observed by
- A) Funk
- B) Frank
- C) Fisher
- D) Crick
110 The ability of a pathogen to spread in the host tissues after establishing the infection is known as
- A) Adhesion
- B) Invasiveness
- C) Toxigenicity
- D) None of these