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.Management Sciences
Category: Bacteriology
Pseudomonas aeruginosa_________________?
A. Produces heat stable enterotoxin
B. Causes Shangai fever
C. Cannot be destroyed at 55 degree at 1 hr.
D. Does not produce any pigment
About N. gonorrhoea, all are true except__________________?
A. Most common cause of urethritis is male
B. All stains are highly susceptible to penicillin
C. Wide spread axoregnic stains cause disseminated gonococcal infection
D. Found exclusively in human beings.
The following are applicable to bacterial genoms except________________?
A. It is composed of DNA
B. It doe not contain histones
C. It is circular
D. Its DNA has both introns and extrons
Leptospirosis, all are true except______________?
A. Faeces & urine of rodents is the cause
B. Onset of IgM in 2 days
C. Incubation period is 10 days
D. It is sensitive to penicillin
Dental Plaque adheres to tooth surface by________________?
A. Dextran
B. Epithelial cells
C. Bacteria
D. Sucrose
In small intestine, cholera toxin acts by______________?
A. ADP – ribosylation of the G regulatory protein
B. Inhibition of adenyl cyclase
C. Activation of GTPase
D. Active absorption of NaCI
Negative staining is used to demonstrate________________?
A. Bacterial spore
B. Bacterial Flagella
C. Bacterial capsule
D. Bacterial fimbriae
Group A B-hemolytic streptococcal infection of the pharynx may be followed in some by_____________?
A. Diphtheria
B. Typhoid fever
C. Rheumatic fever
D. Syphilis
Silver impregnation method of staining is useful to demonstrate_____________?
A. Bacterial flagella
B. Spirochetes
C. Both of the above
D. None of the above
The major intestinal pathogens which are non-lactose fermenters are_________________?
A. Salmonella
B. Klebsiella
C. Escherichia
D. Paracolons
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