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Bacillus Online Exam Quiz

Important questions about Bacillus. Bacillus MCQ questions with answers. Bacillus exam questions and answers for students and interviews.

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

Options

A : tetanus

B : anthrax

C : typhoid

D : cholera

2. McFadyean's reaction is employed for the presumptive diagnosis of

Options

A : anthrax

B : tetanus

C : typhoid

D : all of these

3. Koch's postulates were satisfied for the first time with

Options

A : Clostridium tetani

B : Corynebacterium diphtheriae

C : Bacillus anthracis

D : Salmonella typhi

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

Options

A : Meat

B : Rice

C : Milk

D : Eggs

5. Medusa head appearance of the colonies may be due to

Options

A : Bacillus anthracis

B : Proteus mirabilis

C : Clostridium tetani

D : Pseudomonas aeruginosa

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

Options

A : presence of medusa-head colony

B : presence of capsule

C : susceptibility to gamma phage

D : all of these

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

Options

A : Capsular polypeptide

B : Somatic polysaccharide

C : Anthrax toxin

D : None of these

8. The bacteria, used to examine the efficacy of autoclave, is

Options

A : B polymyxa

B : B brevis

C : Bacillus stearothermophilus

D : B megaterium

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