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Genus Bacillus Morphology and Pathogenicity Quiz

11 Questions

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Genus Bacillus Morphology and Pathogenicity Quiz

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Questions and Answers

At what temperature do the spores of Bacillus anthracis form?

40°C (correct)

25°C

30°C

15°C

What is the most pathogenic species in the genus Bacillus?

Bacillus cereus

Bacillus anthracis (correct)

Bacillus subtilis

Bacillus thuringiensis

What is the morphology of Bacillus anthracis in tissues?

Short chains with rounded ends of cells (correct)

Spores central to subterminal

Long chains with square ends

Single capsule enclosed organisms

What is the composition of the capsule of Bacillus anthracis?

Polymers of D-glutamic acid and polysaccharide Signup and view all the answers

How are the colonies of Bacillus anthracis described on agar?

Ground glass-like appearance with locks of wavy hair Signup and view all the answers

How are vegetative cells of Bacillus anthracis destroyed?

Enzymes and putrefactive bacteria Signup and view all the answers

What are the major anthrax enzootic zones mentioned in the text?

India, Pakistan, Africa, South America Signup and view all the answers

How is anthrax infection typically transmitted according to the text?

Through ingestion of spores Signup and view all the answers

What is the main cause of death in animals infected with anthrax?

Extracellular toxin release Signup and view all the answers

What is the source of anthrax infection mentioned in the text?

Bloodsucking flies and carrion eaters Signup and view all the answers

Which component listed below is NOT part of the anthrax toxin complex mentioned in the text?

Hyperactive agent (HA) Signup and view all the answers