- A) Antony von Leeuwenhoek
- B) Pasteur
- C) Johnsen & Hans
- D) None of these
Microbiology MCQ
Total MCQ: 174
MCQ Quiz on Microbiology
Quiz Leaderboard
1st
Sourav
Score: 90%
Questions: 20
2nd
Priyanka
Score: 90%
Questions: 10
3rd
Vesnce
Score: 45%
Questions: 20
4th
Hector
Score: 40%
Questions: 10
162 The minimum number of bacteria required to produce clinical evidence of death in a susceptible animal under standard conditions is called
- A) LD50
- B) ID
- C) MLD
- D) All of these
163 The light emitted by luminescent bacteria is mediated by the enzyme
- A) Coenzyme Q
- B) Luciferase
- C) Lactose dehydrogenase
- D) Carboxylase reductase
164 According to Pasteur statements which one of the following is true
- A) Living organisms discriminate between stereoisomers
- B) Fermentation is an aerobic process
- C) Living organisms doesn’t discriminate between stereoisomers
- D) Both a and b
165 “I found floating therein earthly particles, some green streaks, spirally wound serpent-wise…” These words are of
- A) Leeuwenhoek
- B) A. Jenner
- C) Pasteur
- D) Koch
166 The principle light-trapping pigment molecule in plants, Algae, and cyanobacteria is
- A) Chlorophyll a
- B) Chlorophyll b
- C) Porphyrin
- D) Rhodopsin
167 During Bio Geo chemical cycle some amount of elemental carbon was utilized by the microorganisms. The phenomenon is called as
- A) Dissimilation
- B) Immobilization
- C) Decomposition
- D) Neutralization
168 Who demonstrated that open tubes of broth remained free of bacteria when air was free of dust.
- A) Abbe Spallanzani
- B) John Tyndall
- C) Francisco Redi
- D) Pasteur
169 Reverse isolation would be appropriate for
- A) a patient with tuberculosis
- B) a patient who has had minor surgery
- C) a patient with glaucoma
- D) a patient with leukemia
170 The symptom “general feeling of illness and discomfort” is called
- A) Cystitis
- B) Malaise
- C) Anaphylactic shock
- D) Arthritis