Which of the following is a Monotrichous bacteria

• Bacteria can be categorized into 4 different types based on the number of flagellum present.
• Monotrichous, Amphitricous, Peritrichous & Lophotrichous

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​Explanation:

• Vibrio cholerae is a Monotrichous bacteria. It only has a single flagellum present on the pole
• Vibrio cholerae is a Gram-negative, comma-shaped bacterium. The bacterium's natural habitat is brackish or saltwater where they attach themselves easily to the chitin-containing shells of crabs, shrimps, and other shellfish.
• It causes the disease cholera

Important Points

• The flagellum is mainly divided into three parts:

Additional Information 

• Amphitrichous – Single flagellum present on both sides. Eg - Alkaligens faecalis
• Peritrichous – Entire body of the bacteria is covered with flagella. Eg –  Salmonella Typhi
• Lophotricous – Tuft (bunch) of flagella present on one or both sides. Eg – Spirillum.