Thursday, 4 June 2015

Bacillus

Bacillus

:: Home > Microbiology > Bacillus


Food most often associated with emetic type of food poisoning caused by Bacillus cereus, is__________.

a. Meat
b. Rice
c. Milk
d. Eggs

McFadyean's reaction is employed for the presumptive diagnosis of__________.

a. anthrax
b. tetanus
c. typhoid
d. all of these

Antibodies to which of the following antigens of Bacillus anthracis are protective?

a. Capsular polypeptide
b. Somatic polysaccharide
c. Anthrax toxin
d. None of these

Medusa head appearance of the colonies may be due to__________.

a. Bacillus anthracis
b. Proteus mirabilis
c. Clostridium tetani
d. Pseudomonas aeruginosa

The bacteria, used to examine the efficacy of autoclave, is__________.

a. B polymyxa
b. B brevis
c. Bacillus stearothermophilus
d. B megaterium

Koch's postulates were satisfied for the first time with__________.

a. Clostridium tetani
b. Corynebacterium diphtheriae
c. Bacillus anthracis
d. Salmonella typhi

Ascoli's thermoprecipition test helps in confirming the laboratory diagnosis of__________.

a. tetanus
b. anthrax
c. typhoid
d. cholera

The test(s) which can be used to differentiate anthrax bacilli from anthracoid bacilli is/are__________.

a. presence of medusa-head colony
b. presence of capsule
c. susceptibility to gamma phage
d. all of these
Disqus Comments