Bioremediation- How Much Did You Learn?

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Bioremediation- How Much Did You Learn? - Quiz

This quiz is designed to test your knowledge of Bioremediation. Good luck!


Questions and Answers
  • 1. 

    Bioremediation is the process of removing contaminants or pollutants from the environment to return it to its original state through the use of _________ mechanisms. 

    • A.

      Chemical

    • B.

      Abiotic

    • C.

      Biological

    • D.

      Homeostatic

    Correct Answer
    C. Biological
    Explanation
    Bioremediation is the process of using biological mechanisms to remove contaminants or pollutants from the environment. This can be achieved through the use of microorganisms, such as bacteria or fungi, that have the ability to break down or transform harmful substances into less toxic forms. These microorganisms can naturally occur in the environment or can be introduced intentionally to aid in the cleanup process. By harnessing the power of biological processes, bioremediation offers a more sustainable and environmentally friendly approach to restoring polluted areas.

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  • 2. 

    During the Recombinant-DNA process, the required ________ is transferred from one specie to the other specie through plasmid.

    • A.

      Enzyme

    • B.

      Chromosome

    • C.

      Mitochondrion

    • D.

      Gene

    Correct Answer
    D. Gene
    Explanation
    In the process of Recombinant-DNA, a specific gene is transferred from one species to another using a plasmid. This gene contains the desired genetic information that is needed for the desired trait or characteristic to be expressed in the recipient species. The plasmid acts as a carrier for the gene, allowing it to be inserted into the DNA of the recipient species and potentially be expressed. This transfer of genetic material is crucial in creating genetically modified organisms with desired traits or in studying the function of specific genes.

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  • 3. 

    Which of the following is not an application of Bioremediation?

    • A.

      Treating oil spills by oil-eating microbes

    • B.

      Sewage treatment by bacteria

    • C.

      Burning of petroleum products floating on the surface of the sea

    • D.

      Removal of grease by bacteria that digest FOG (Fat, Oil and Grease)

    Correct Answer
    C. Burning of petroleum products floating on the surface of the sea
    Explanation
    Burning of petroleum products floating on the surface of the sea is not an application of bioremediation because it does not involve the use of living organisms to degrade or remove pollutants. Bioremediation typically relies on the natural abilities of microorganisms to break down and remove contaminants from the environment. In this case, burning is a physical process that does not involve the use of microbes.

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  • 4. 

    The process of biostimulation involves the addition of microorganisms that were not already present.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Biostimulation is a process that aims to enhance the growth and activity of existing microorganisms in a particular environment, rather than introducing new microorganisms. It involves providing the necessary nutrients, oxygen, and other factors to stimulate the natural microbial populations. Therefore, the statement that biostimulation involves the addition of microorganisms that were not already present is incorrect.

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  • 5. 

    Which of the following is not true with respect to the advantages of biorememdiation?

    • A.

      Inexpensive

    • B.

      Cost effective

    • C.

      Contaminants are not completely destroyed

    • D.

      Environment friendly and natural process

    Correct Answer
    C. Contaminants are not completely destroyed
    Explanation
    Bioremediation is a process that uses living organisms to remove or neutralize pollutants from a contaminated area. It is known for its advantages such as being inexpensive, cost-effective, and an environment-friendly natural process. However, the given statement that contaminants are not completely destroyed is not true. Bioremediation aims to completely degrade or transform contaminants into harmless substances through the metabolic activities of microorganisms. Therefore, the correct answer is that contaminants are not completely destroyed.

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