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Why Do We Fall — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceWhy Do We Fall1 Mark
MCQ
Which one of the following is incorrect about tuberculosis?
  • ✓
    It is caused by Salmonella.
  • B
    It commonly affects lungs.
  • C
    Bacteria release tuberculin toxin.
  • D
    Patient's sputum contains blood.
✓

Answer

Correct option: A.
It is caused by Salmonella.
Tuberculosis $(TB)$ is caused by a type of bacterium called Mycobacterium tuberculosis. It's spread when a person with active $TB$ disease in their lungs coughs or sneezes and someone else inhales the expelled droplets, which contain $TB$ bacteria.

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