Firstranker's choice
Q.9 Which of the following organism is/are acid fast:
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a) Tubercle bacilli
b) Lepra bacilli
c) Nocardia
d) All above
Q.10 Acid fastness of bacteria depends upon:
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a) Red heat is used for sterilization of:
b) Lipid contents of cells
c) Special anatomical disposition of lipids
d) All above
P.T.O.
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Q.11 Sterilization requires exposure to moist heat at 121 degree centigrade for:
a) 3 minutes
b) 5 minutes
c) 10 minutes
d) 15 minutes
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Q.12 All following antibiotics act on bacterial cell wall except:
a) Cephalosporin
b) Penicillin
c) Beta lactums
d) Tetracycline
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Q.4. The organs of adhesion in bacteria are:
a) Flagella
b) Fimbriae
c. Microcapsule
d) Slime layer
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Q.5 Alexander Fleming made the discovery of:
a) Streptomycin
b) Penicillin
c) Sulphonamides
d) Chloramphenicol
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Q.13 Entrotoxigenic strains of Esch. Coli produce:
a) Heat labile enterotoxins
b) Heat stable enterotoxins
c) Both (a) & (b)
d) Neither of above
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Q.6 Which one of the following is not a zoonosis:
a) Brucellosis
b) Bubonic Plague
c) Leptospirosis
d) Measles
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Q.14 Species of Shigella that does not ferment Mannitol is:
a) S. dysenteriae
b) S.flexneri
c) S,boydii
d) S. sonnei
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Q.7 The diameter of the smallest structure that can be resolved and seen clearly with naked eye is:
a) 20 micrometer
b) 60 micrometer
c) 100 micrometer
d) 200 micrometer
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Q.15 The colour of pyocyanin pigment produce by pseudomonas aeruginosa:
a) Blue
b) Red
c) Brown
d) Green
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Q.8 Lipid granules are present in:
a) Corynebacterium sp
b) Escherichia coli
c) Bacillus species
d) Clostridium species
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Q.16 The best selective medium for the isolation of vibrio cholerae is:
a) TCBS medium
b) BSA medium
c) CLED medium
d) MacConkey's medium
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Q.17 Most clostridia are motile except:
a) Cl. tetani
b) Cl.novyi
c) Cl. perfringens
d) Cl. septicum
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Q.18 Significant bacteruria is the number of bacteria in urine exceeding:
a) 1000/ml
b) 10,000/ml
c) 100,000/ml
d) 1,000.000/ml
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Q.19 The response to syphilis is best measured by:
a) VDRL test
b) TPHA test
c) FTA-ABS test
d) None of above
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Q.20 BCG vaccine is produce from a strain of:
a) Mycobacterium tuberculosis
b) M. bovis
c) M.microti
d) M.africanum
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