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Home » Microbiology MCQ

Microbiology MCQ

Total MCQ: 174

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MCQ Quiz on Microbiology

151 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
View Answer & Discuss

152 Father of Medical Microbiology is

  • A) Pasteur
  • B) Jenner
  • C) Koch
  • D) A.L. Hock
View Answer & Discuss

153 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
View Answer & Discuss

154 Pick out the vector used in the Human Genome Project

  • A) Phagemid vector
  • B) Yeast artificial chromosomes
  • C) Cosmid vectors
  • D) Yeast episomal plasmids
View Answer & Discuss

155 Disease that affects many people in different countries is termed as

  • A) Sporadic
  • B) Pandemic
  • C) Epidemic
  • D) Endemic
View Answer & Discuss

156 Griffith (1928) reported the phenomenon of transformation first in

  • A) H. influenzae
  • B) Bacillus species
  • C) Pneumococci
  • D) E.coli
View Answer & Discuss

157 Salt and sugar preserve foods because they

  • A) Make them acid
  • B) Produce a hypotonic environment
  • C) Deplete nutrients
  • D) Produce a hypertonic environment
View Answer & Discuss

158 Prophylaxis of cholera is

  • A) Protected water supply
  • B) Environmental sanitation
  • C) Immunization with killed vaccines
  • D) All of these
View Answer & Discuss

159 The resolution power of the compound microscope is

  • A) 0.2 micron
  • B) 0.2 millimeter
  • C) 0.2 Angstrom units
  • D) 0.2 centimeter
View Answer & Discuss

160 In a fluorescent microscope the objective lens is made of

  • A) Glass
  • B) Quartz
  • C) Polythene
  • D) None of these
View Answer & Discuss
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