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B
Tetanus.
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C
AIDS.
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D
None of the above.
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Solution
The correct option is B Tetanus.
The bacteria which live in contact with other living beings for obtaining nourishment or special organic compounds required for growth and cause diseases to their hosts are called pathogenic bacteria. Harmful substances secreted by these bacteria are called toxins. Toxins are of two types, endotoxins (e.g. Vibrio cholerae- vibrio bacteria) and exotoxins (e.g., Clostridium tetani- bacillus bacteria). Disease associated with secretion of the toxin is tetanus. Tetanus is caused by Clostridium tetani.