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Total Questions : 339 | Page 6 of 34 pages
Question 51. Which of the following material is sterilized by use of red heat?
  1.    Soiled dressings
  2.    Inoculating wires and loops
  3.    Glass slides
  4.    All-glass syringes
 Discuss Question
Answer: Option B. -> Inoculating wires and loops
Answer: (b).Inoculating wires and loops
Question 52. Which of the following is/are vapour-phase disinfectant/s?
  1.    Formaldehyde
  2.    Ethylene oxide
  3.    Both (a) and (b)
  4.    None of these
 Discuss Question
Answer: Option C. -> Both (a) and (b)
Answer: (c).Both (a) and (b)
Question 53. Which of the following tests is designed to simulate the natural conditions under which the disinfectants are used in hospitals?
  1.    Phenol coefficient test
  2.    Minimum inhibitory concentration test
  3.    Capacity test
  4.    None of these
 Discuss Question
Answer: Option C. -> Capacity test
Answer: (c).Capacity test
Question 54. Steam exposure of a material at 100°C for 20 minutes for three consecutive days is known as
  1.    inspissation
  2.    tyndallization
  3.    autoclaving
  4.    none of these
 Discuss Question
Answer: Option B. -> tyndallization
Answer: (b).tyndallization
Question 55. Which of the following methods will not sterilize?
  1.    Aqueous glutaraldehyde for 10 hours
  2.    Dry heat at 171°C for 1 to 2 hours
  3.    121°C at 15 lb/in pressure for 15 to 20 minutes
  4.    100°C boiling water for 30 minutes
 Discuss Question
Answer: Option D. -> 100°C boiling water for 30 minutes
Answer: (d).100°C boiling water for 30 minutes
Question 56. Micro-organisms do not include
  1.    mushrooms
  2.    molds
  3.    bacteria
  4.    fungi
 Discuss Question
Answer: Option C. -> bacteria
Answer: (c).bacteria
Question 57. To transfer genes from one species to another, especially useful are
  1.    vectors only
  2.    plasmids only
  3.    double stranded DNA molecules
  4.    vectors and plasmids
 Discuss Question
Answer: Option D. -> vectors and plasmids
Answer: (d).vectors and plasmids
Question 58. Motile-bacterium moves with the help of a
  1.    whip
  2.    tail
  3.    flagellum
  4.    wings
 Discuss Question
Answer: Option C. -> flagellum
Answer: (c).flagellum
Question 59. Microorganisms are commonly known as
  1.    germs only
  2.    microbes only
  3.    gametes
  4.    germs and microbes
 Discuss Question
Answer: Option D. -> germs and microbes
Answer: (d).germs and microbes
Question 60. The specific chromosomal locations from where the replication begins are called as
  1.    locus
  2.    origin of replication
  3.    loci
  4.    chromosomal arms
 Discuss Question
Answer: Option B. -> origin of replication
Answer: (b).origin of replication

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