Bioremediation Methods
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Questions and Answers

What is bioremediation?

  • Collecting and storing pollutants
  • Using organisms to breakdown and degrade pollutants (correct)
  • Removing organic matter and toxic chemicals from domestic waste
  • Adding nutrients to stimulate the growth of innate oil-degrading microbes

What are the other terms for bioremediation?

  • Biodegradation and Bioremediation
  • Bioaugmentation and Biostimulation
  • Biostimulation and Bioaugmentation
  • Bio treatment, bio reclamation, and bio restoration (correct)

What is the purpose of bioaugmentation?

  • To genetically engineer microorganisms
  • To add nutrients to stimulate the growth of innate oil-degrading microbes (correct)
  • To break down pollutants using microorganisms
  • To remove pollutants from the environment

What type of microorganisms are used in bioremediation?

<p>Bacteria, archaea, and fungi (D)</p> Signup and view all the answers

What is the percentage of compounds found in petroleum spills that bioremediation can break down?

<p>Nearly 100% (A)</p> Signup and view all the answers

What is the significance of microorganisms in bioremediation?

<p>They can break down and degrade pollutants (D)</p> Signup and view all the answers

What is the primary difference between in-situ bioremediation and ex-situ bioremediation?

<p>The location of the contaminated soil or water during treatment (A)</p> Signup and view all the answers

What is the main purpose of the first step in in-situ bioremediation?

<p>To investigate the site and identify the contaminants (B)</p> Signup and view all the answers

What is the term for a biological sensor that can make quantitative measurements of pollutants with high precision and sensitivity?

<p>Biosensor (D)</p> Signup and view all the answers

What is the role of the transducer in a biosensor?

<p>To convert the biological response into an electrical signal (A)</p> Signup and view all the answers

In ex-situ bioremediation, what is typically done with the contaminated soil or water?

<p>It is removed to a different location for treatment (D)</p> Signup and view all the answers

What is the purpose of adding salt tolerance bacteria to soil in bioremediation?

<p>To make the soil more conducive to bioremediation (A)</p> Signup and view all the answers

What is the process by which microbes break down contaminants in bioremediation?

<p>Oxidation-reduction reactions (D)</p> Signup and view all the answers

What is the method of bioremediation that involves injecting oil-degrading microbes into the affected area?

<p>Bioaugmentation (C)</p> Signup and view all the answers

What type of bioremediation involves removing contaminated soil or water from its natural location?

<p>Ex-situ bioremediation (D)</p> Signup and view all the answers

What is the term for adding nutrients to stimulate the growth of innate oil-degrading microbes?

<p>Biostimulation (A)</p> Signup and view all the answers

What is the term for bioremediation that takes place at the contaminated site, without removing the soil or water?

<p>In-situ bioremediation (B)</p> Signup and view all the answers

What was the incident that caused one of the worst oil spills in the country?

<p>Guimaras oil spill (A)</p> Signup and view all the answers

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