Colony Morphology And More

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Colony Morphology And More - Quiz

Colony morphology is a method that scientists use to describe the characteristics of an individual colony of bacteria growing on agar in a Petri dish. It can be used to help to identify them. Test your identification skill by taking the simple quiz below. All the best as you tackle them.


Questions and Answers
  • 1. 

    The photo shows colonies that have an................................. margin.

    Explanation
    The photo shows colonies that have a lobate margin. A lobate margin refers to a margin that is wavy or irregular in shape, with protrusions or lobes extending outward from the main body of the colony. This can be seen in the photo where the edges of the colonies are not smooth and have distinct lobes or indentations.

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  • 2. 

    Regarding form, this colony is  ...................................

    Explanation
    The given answer "circular" suggests that the form of the colony being referred to is circular in shape.

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  • 3. 

    Regarding form. This is a ................................... colony.

    Explanation
    This question is asking for the appropriate term to describe the form of a colony. The correct answer is "filamentous," which means that the colony has a thread-like or filament-like structure. This suggests that the cells in the colony are arranged in long, thin strands or filaments.

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  • 4. 

    This is an (margin) ......................... colony.

    Explanation
    This is an undulate colony.

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  • 5. 

    These are ...................... plates.

  • 6. 

    This is a Digralsky also known as a .................................. 

    Explanation
    The correct answer for this question is "spreader". A spreader is a device or tool that is used to evenly distribute or spread something, such as fertilizer, seeds, or sand. It is commonly used in gardening, agriculture, and construction to ensure an even and uniform application of materials.

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  • 7. 

    An alternative name for feces or faeces is: .....................................

    Explanation
    The alternative name for feces or faeces is "stool".

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  • 8. 

    This agar medium with antibiotic allows the growth of mold or  ......................

    Explanation
    This agar medium with antibiotic allows the growth of mold or yeast. The presence of an antibiotic in the agar medium inhibits the growth of bacteria, but allows the growth of fungi such as yeast. Yeast is a type of fungus that can grow in the presence of antibiotics, making it the correct answer in this context.

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  • 9. 

    This sample collection item used to collect e.g. vaginal specimens is a ..................

    Explanation
    A swab is a sample collection item commonly used to collect various types of specimens, including vaginal specimens. It is a small stick with a cotton or synthetic tip that is inserted into the vagina to collect cells or discharge for testing purposes. The swab is then sent to a laboratory for analysis.

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  • 10. 

    A culture medium which is mainly made of water is a ..................

    Explanation
    A culture medium is a substance that is used to grow and cultivate microorganisms in a laboratory setting. Broth is a type of culture medium that is primarily composed of water. It is a liquid medium that provides the necessary nutrients and conditions for the growth of microorganisms. Broth is commonly used in microbiology laboratories for various purposes such as bacterial culture, antibiotic susceptibility testing, and biochemical analysis.

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  • 11. 

    Regarding margin, this colony is  ...................................

    Explanation
    The word "entire" suggests that the colony mentioned in the question occupies or covers the entire space or area being referred to. It implies that there are no other parts or sections of the colony outside of the mentioned space.

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  • 12. 

    This sample collection items contain  .................. medium.

    Explanation
    The given correct answer for this question is "transport". This suggests that the sample collection items contain a medium that is related to transportation. However, without any additional context or information, it is not possible to determine the specific medium or how it is related to transportation.

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  • 13. 

    Only the ..................cells of the inoculum will develop into colonies if the agar medium is suitable one.

    Explanation
    Only the viable cells of the inoculum will develop into colonies if the agar medium is suitable. Viable cells refer to the cells that are capable of surviving and reproducing under the given conditions. In this context, it means that only the living and healthy cells will be able to grow into colonies on the agar medium if it provides the necessary nutrients and environment for their growth.

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  • 14. 

    This photo shows an inoculating.......................

    Explanation
    The photo shows an object that is commonly known as a "loop." A loop is a laboratory tool used for transferring small amounts of bacteria or other microorganisms. It consists of a wire loop attached to a handle, which is usually made of metal or plastic. The loop is heated and then used to pick up a small amount of the microorganism, which can then be transferred to a culture medium for further study or analysis. The loop is a commonly used tool in microbiology and is essential for performing various laboratory techniques.

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