Microbes Trivia Facts: Quiz!

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| By Annie .Francis
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Annie .Francis
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Quizzes Created: 1 | Total Attempts: 233
| Attempts: 233
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  • 1/10 Questions

    Microbes can be seen using a microscope.

    • True
    • False
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About This Quiz

Explore the intriguing world of microbes with the 'Microbes Trivia Facts: Quiz!' Delve into the basics of microbiology, understand different types of bacteria, and discover where microorganisms are found. This quiz is perfect for learners eager to explore microscopic life forms and their scientific significance.

Microbes Trivia Facts: Quiz! - Quiz

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  • 2. 

    Microorganisms are present in:

    • Air

    • Soil

    • Water bodies

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Microorganisms are present in all of the mentioned options: air, soil, and water bodies. This is because microorganisms are ubiquitous and can be found in various environments. They are present in the air as airborne particles, in the soil as soil bacteria and fungi, and in water bodies as waterborne microorganisms. These microorganisms play important roles in nutrient cycling, decomposition, and maintaining ecological balance in these environments.

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  • 3. 

    Bacteria reproduce by binary fission.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Bacteria reproduce by binary fission, a process in which a single bacterium divides into two identical daughter cells. During binary fission, the bacterium's DNA replicates, and the two copies move to opposite ends of the cell. The cell then elongates and pinches off, resulting in two separate cells. This form of asexual reproduction allows bacteria to rapidly multiply and colonize various environments. Therefore, the statement "Bacteria reproduce by binary fission" is true.

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  • 4. 

    Bacteria are found in four different shapes.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because bacteria can be found in four main shapes: cocci (spherical), bacilli (rod-shaped), spirilla (spiral-shaped), and vibrio (comma-shaped). These different shapes allow bacteria to adapt to different environments and perform various functions.

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  • 5. 

    Bacteria that need oxygen for growth are called anaerobic bacteria.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The given statement is false. Bacteria that require oxygen for growth are called aerobic bacteria, not anaerobic bacteria. Anaerobic bacteria are able to grow in the absence of oxygen.

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  • 6. 

    Microbes are:

    • Living organisms

    • Living organisms that can be seen with naked eyes

    • Living organisms that cannot be seen with naked eyes.

    • All of the above

    Correct Answer
    A. Living organisms that cannot be seen with naked eyes.
    Explanation
    Microbes are living organisms that cannot be seen with naked eyes. This is because microbes, such as bacteria, viruses, and fungi, are microscopic in size and can only be observed under a microscope. Despite their small size, microbes play a crucial role in various ecosystems and have significant impacts on human health, agriculture, and the environment.

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  • 7. 

    Smallest microorganism.

    • Virus

    • Bacteria

    • Algae

    • Fungi

    Correct Answer
    A. Virus
    Explanation
    Viruses are considered the smallest microorganisms because they are much smaller than bacteria, algae, and fungi. Viruses are tiny infectious agents that can only replicate inside the cells of other organisms. They are composed of genetic material (DNA or RNA) enclosed in a protein coat. Unlike bacteria, algae, and fungi, viruses lack cellular structure and cannot survive or reproduce on their own. They rely on host cells to replicate and cause infections in humans, animals, plants, and even other microorganisms.

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  • 8. 

    Select the mode of nutrition in Bacteria.

    • Autotrophic

    • Saprophytic

    • Parasitic

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The mode of nutrition in Bacteria can be autotrophic, saprophytic, or parasitic. Autotrophic bacteria are able to produce their own food through photosynthesis or chemosynthesis. Saprophytic bacteria obtain nutrients by decomposing dead organic matter. Parasitic bacteria rely on living hosts to obtain nutrients. Therefore, all of the above options are correct as they represent different modes of nutrition in bacteria.

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  • 9. 

    Microbiology is:

    • The science that deals with the study of microbes

    • The science that deals with the study of bacteria

    • The science that deals with the study of viruses

    • All of the above

    Correct Answer
    A. The science that deals with the study of microbes
    Explanation
    Microbiology is the science that deals with the study of microbes, which includes bacteria and viruses. This field of study focuses on understanding the structure, function, and behavior of these microorganisms, as well as their impact on human health, the environment, and various industries. By studying microbiology, scientists can develop strategies to control and prevent diseases, improve food safety, and develop new drugs and vaccines.

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  • 10. 

    The connecting link between the living and nonliving things.

    • Virus

    • Bacteria

    • Algae

    • Fungi

    Correct Answer
    A. Virus
    Explanation
    Viruses are considered the connecting link between living and nonliving things because they possess characteristics of both. They are nonliving as they do not have cells and cannot carry out metabolic activities on their own. However, they are living in the sense that they can reproduce and evolve, albeit only within a host cell. Viruses are dependent on host organisms for their survival and reproduction, making them unique in their ability to bridge the gap between living and nonliving entities.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Aug 02, 2020
    Quiz Created by
    Annie .Francis
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