Most of the drug resistances occurs due to_____________?
A. Transduction
B. Transformation
C. Mutation
D. conjugation
Microbiology
Spores are disinfected by_______________?
Spores are disinfected by_______________?
A. Glutaraldehyde
B. Betapropiolactone
C. Formaldehyde
D. Hexachlorophen
E. Both A & C
Flash pasteurization of milk is done at what temperature______________?
Flash pasteurization of milk is done at what temperature______________?
A. 125°C for new seconds
B. 60°C for 15 minutes
C. 72°C for 5 minutes
D. 72° for 15 – 20 Sec
Mesophilic organisms are those that grow best at temperature of______________?
Mesophilic organisms are those that grow best at temperature of______________?
A. -20°C to -7°C
B. -7°C to + 20°C
C. 25°C to 40°C
D. 55°C to 80°C
Dorset’s egg medium is used for cultivation of______________?
Dorset’s egg medium is used for cultivation of______________?
A. Staphylococcus
B. Streptococcus
C. Gonococcus
D. Mycobacterium
Culture medium for corynebacterium diphtheria_______________?
Culture medium for corynebacterium diphtheria_______________?
A. Loefflers serum slope
B. Mc Conkey
C. Saboraud agar
D. Lowenstein Jensen medium
The best skin disinfectant is________________?
The best skin disinfectant is________________?
A. Chlorhexdine
B. Alcohol
C. Savlon
D. None of the above
The usual concentration of agar used in agar medium is___________________?
The usual concentration of agar used in agar medium is___________________?
A. 10%
B. 2%
C. 5%
D. 15%
Louis Pasteur is not associated with_______________?
Louis Pasteur is not associated with_______________?
A. Introduction of complex media
B. Discovery of Rabies Vaccine
C. Discovery of M. Tuberculosis
D. Disproved spontaneous regression theory
Anaerobic bacteria can be cultured in__________________?
Anaerobic bacteria can be cultured in__________________?
A. L-J medium
B. Robertson cooked meat medium
C. Loefflers medium
D. Sabourauds agar