Vibrio, Aeromonas and Plesiomonas
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The
halophilic bacteria is/are ____________.
a. V.
vulnificus
b. V.
alginolyticus
c. All of these
d. Vibrio
parahaemolyticus
Which
of the following toxin resembles cholera toxin?
a. Labile toxin of Escherichia coli
b. Stable
toxin of E. coli
c. Tetanus
toxin
d. Diphtheria
toxin
Which
of the following biotypes of Vibrio cholerae are prevalent in India?
a. None
of these
b. EI Tor
c. Both
(a) and (b)
d. Classical
Which
of the following bacteria is associated with food poisoning due to consumption
of sea fish?
a. V
alginolyticus
b. Vibrio parahaemolyticus
c. All
of these
d. V
vulnificus
The
transport medium for Vibrio cholerae can be ____________.
a. Nutrient
broth
b. Selenite
F broth
c. Venkatraman-Ramakrishnan medium
d. Tetrathionate
broth
Which
of the followings can be used to differentiate between classical and El Tor
biotypes of Vibrio cholerae?
a. All of these
b. Agglutination
of fowl RBCs
c. Sensitivity
to Mukerjee's group IV phage
d. Sensitivity
to polymyxin B
Which
of the following does not cause wound infection following exposure to sea water
or infected shellfish?
a. V. cholerae
b. V.
alginolyticus
c. Aeromonas
d. Vibrio
vulnificus
The
test(s) used for the assay of cholera toxin is/are ____________.
a. Enzyme-linked
immunosorbent assay
b. Radioimmunoassay
c. All of the above
d. Morphological
changes in Chinese hamster ovary cells
Which
of the following medium are used to differentiate the colonies of Vibrio
cholerae and V parahaemolyticus?
a. All
of the above
b. Alkaline
bile salt
c. Thiosulphate-citrate-bile-sucrose
d. MacConkey
Which
of the following conditions can be caused by Plesiomonas?
a. Cellulites
b. All of these
c. Gastroenteritis
d. Septicaemia
Acute
diarrhoeal disease resembling cholera can be caused due to ____________.
a. V.
alginolyticus
b. Aeromonas hydrophila
c. All
of these
d. Vibrio
vulnificus
The
DNA coding for the production of cholera toxin in Vibrio cholerae is on the
____________.
a. phage
b. chromosome
c. transposon
d. plasmid