Tuesday, 28 April 2020

Bacteria Gram Staining - Microbiology MCQ 027

71. Rancidity of stored foods is due to the activity of
a. Toxigenic microbes
b. Proteolytic microbes
c. Saccharolytic microbes
d. Lipolytic microbes

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72. Virion means
a. Infectious virus particles
b. Non-infectious particles
c. Incomplete particles
d. Defective virus particles

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73. Virulence of the microorganisms can bereduced by
a. Attenuation
b. A virulence
c. Inactivation
d. Freezing

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74. The test used for detection of typhoid fever
a. WIDAL test
b. ELISA
c. Rosewaller test
d. Westernblotting

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75. Bacteriophage capable of only lytic growth is called
a. Temperate
b. Avirulent
c. Virulent
d. None of these

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76. Diphtheria bacillus is otherwise known as
a. Fried-Landers bacillus
b. Kleb’s hofflers bacillus
c. Frchs bacillus
d. Koch’s bacillus

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77. Acridine dyes are more effective against
a. Gram positive
b. Gram negative
c. Ricke Hsia
d. Mycoplasma

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78. In bacteria pigment bearing structures are
a. Chloroplast
b. Protoplast
c. Sphaeroplast
d. Chromatophores

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79. The procedure of differential staining of bacteria was developed by
a. A.H. Gram
b. H.C. Gram
c. N.C. Gram
d. H.A. Gram

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80. Intermediate group of pathogen between bacteria and viruses which are intracellular parasites are called
a. Mucoplasmas
b. Rickettsias
c. Prions
d. Virusoides
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