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Environmental Biotechnology

MICROBIAL TRANSFORMATION OF HEAVY METALS MCQs

Total Questions : 46

Page 1 of 5 pages
Question 1. What of the following is used to remove metals using plants?
  1.    Phyto-extraction
  2.    Mashing with Adhesives
  3.    Mashing with Fibers
  4.    Watering
 Discuss Question
Answer is Option A. -> Phyto-extraction
Answer: (a).Phyto-extraction
Question 2. Which of the following is a method of phytoextraction for removal of metals?
  1.    Absorption by plant roots
  2.    Absorption by water
  3.    Absorption by soil
  4.    Absorption by weathered rock
 Discuss Question
Answer is Option A. -> Absorption by plant roots
Answer: (a).Absorption by plant roots
Question 3. How bacteria incorporate heavy metals inside them?
  1.    Slow transport inside the cell
  2.    Gasification
  3.    Incineration
  4.    Disposal
 Discuss Question
Answer is Option A. -> Slow transport inside the cell
Answer: (a).Slow transport inside the cell
Question 4. Which of the following can dissolve metals?
  1.    Biogeochemcial cycle
  2.    Microbial metabolic secretions
  3.    Afforestation
  4.    Deforestation
 Discuss Question
Answer is Option B. -> Microbial metabolic secretions
Answer: (b).Microbial metabolic secretions
Question 5. What habitat is not a home for bacteria?
  1.    Arctic snow
  2.    Soil
  3.    Rocks
  4.    Distilled water
 Discuss Question
Answer is Option D. -> Distilled water
Answer: (d).Distilled water
Question 6. Mercury resistance or heavy metal resistance in bacteria is usually found in which contaminated sites?
  1.    Mercury contaminated sites
  2.    Copper contaminated sites
  3.    Nickle contaminated sites
  4.    Magnesium contaminated sites
 Discuss Question
Answer is Option A. -> Mercury contaminated sites
Answer: (a).Mercury contaminated sites
Question 7. Heavy metal resistance elements are found in gram negative bacteria.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer is Option A. -> True
Answer: (a).True
Question 8. Which of the following is not used to clear-out heavy metals contaminated environment?
  1.    Bacteria
  2.    Fungi
  3.    Algae
  4.    H₂S
 Discuss Question
Answer is Option D. -> H₂S
Answer: (d).H₂S
Question 9. How does DNA develop resistance mechanisms?
  1.    Information from DNA
  2.    Intercellular ligands
  3.    Extracellular ligands
  4.    Integral proteins
 Discuss Question
Answer is Option A. -> Information from DNA
Answer: (a).Information from DNA
Question 10. How bacteria help in metal extraction?
  1.    Oxidation of ore
  2.    Reduction of ore
  3.    Assimilation
  4.    Accumulation
 Discuss Question
Answer is Option A. -> Oxidation of ore
Answer: (a).Oxidation of ore
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Sub Topics

  • Analysis Of Dose Effect Relationship
  • Bioaccumulation Of Toxicants
  • Biodegradation Of Organic Pollutants
  • Biodegradation Of Pesticides
  • Bioleaching And Biomining
  • Biological Treatment Of Waste Water
  • Biotechnological Approaches Of Microalgal Culture
  • Biotechnology For Solid Waste Management
  • Environmental Biotechnology Basics
  • Management And Remediation Of Soil
  • Microbial Transformation Of Heavy Metals
  • Microbial Transformations Of Pesticides
  • Wastewater Treatment Of Food Processing Industries

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