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8th Class Science Microorganisms : Friend and Foe Question Bank Microorganisms

  • question_answer
    Bacteria have been grouped into four different types based on their shapes. Identify the different types and select the correct statement regarding it.

    A) Vibrio cholerae is an example of type S, which causes cholera.

    B) Lactobacillus is an example of type P, which helps in curdling of milk.

    C) Type R bacteria are rod-shaped and are called as bacilli bacteria.

    D) Streptococcus is an example of type Q bacteria that causes pneumonia.

    Correct Answer: A

    Solution :

    Type S are comma-shaped bacteria, called vibrio and its example is Vibrio cholerae that causes cholera. Type P are cocci (spherical shaped), type Q are bacilli (rod-shaped) and type R are spirillum-shaped bacteria. Lactobacillus is an example of bacilli bacteria (Q). Streptococcus is an example of spherical shaped bacteria.


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