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Byju's Answer
Standard XII
Biology
Aerobic and Anaerobic Respiration
The bacterium...
Question

The bacterium (Clostridium botulinum) that causes botulism is-

A
A facultative anaerobe
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B
An obligate anaerobe
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C
A facultative aerobe
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D
An obligate aerobe
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Solution

The correct option is B An obligate anaerobe
C. botulinum is a Gram-positive, bacterium. It is an obligate anaerobe it means that oxygen is poisonous to the cells and survives without oxygen.
So the correct option is B.

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