Name the bacteria that causes dysentery.

This question was previously asked in
SSC GD Previous Paper 14 (Held On: 15 Feb 2019 Shift 3)
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  1. Shigella
  2. Vibrio Cholerae
  3. Streptococcus pyogenes bacteria
  4. Mycobacterium tuberculosis

Answer (Detailed Solution Below)

Option 1 : Shigella
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Detailed Solution

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The correct answer is Shigella.

  • Dysentery is an infection of the intestines that causes diarrhea containing blood.

Important Points

  • Dysentery is caused by shigella bacteria.
    • It is spread by contaminated water and food
    • Dysentery caused by Shigella is also called as Bacillary dysentery or shigellosis.
    • Shigella is a rod-shaped bacteria under the Enterobacteriaceae family.
    • Shigella is genetically closely related to E. coli.

Mistake Points

  • Dysentery can be caused by bacteria as well as protozoa.
  • The dysentery caused by protozoa is called amoebic dysentery or amoebiasis because the causative organism is Entamoeba histolytica.

Additional Information

  • Cholerae is the disease caused by the Vibrio cholera bacteria.
  • Tuberculosis is the disease caused by Mycobacterium tuberculosis bacteria.
  • Diseases like rheumatic fever, impetigo, scarlet fever, puerperal fever are caused by Streptococcus pyogenes bacteria.

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