Frequently Asked Sterilisation, Culture Media & Pure Culture Techniques Multiple Choice Questions And Answers

71. Wilson and Blair medium is used for isolation of
a. Staphylococci
b. Salmonella typhosa
c. Vibrio cholerae
d. Shigella shigae
Ans: B

72. Laboratory diagnosis of enteric fever is based on
a. Blood culture
b. Urine and stool culture
c. Widal test
d. All of the above
Ans: D

73. Shigella was first isolated by
a. Shiga
b. Schmitz
c. Sonnei
d. Robert Koch
Ans: C

74. Which of the following are gas producing Salmonella?
a. S.typhi
b. S.enteritidis
c. S.cholerasuis
d. S.typhimurium
Ans: B

75. Kauffmann white scheme is used to detect
a. Salmonella spp.
b. Shigella spp.
c. E.coli
d. None of these
Ans: A

76. On Mac Conkey’s medium Esch. Coli forms
a. Colorless colonies
b. Greenish pigmentation
c. Pink coloured colonies
d. Medusa head appearance
Ans: C

77. C.diphtheriae requires
a. LJ medium
b. Mac Conkey’s medium
c. Potassium tellurite medium
d. PDA medium
Ans: C

78. Culture medium for Mycobacterium tuberculosis
a. L J medium
b. Mac Conkey’s medium
c. Wilson blair medium
d. None of these
Ans: A

79. Lepra bacillus is best cultured on
a. Armadillo’s brain
b. Foot pad of mice
c. Liver of guinea pig
d. Any of the above
Ans: B

80. Culture medium for clostridia spp.
a. 76 Lower stein Jensen’s medium
b. Mac Conkey’s medium
c. Robertson’s cooked meat medium
d. None of these
Ans: C

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