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MCQs

Total Questions : 86 | Page 5 of 9 pages
Question 41. Which of the following doesn’t have higher potential to halogen reactions?
  1.    Bacteria
  2.    Plants
  3.    Fungi
  4.    Pathogens
 Discuss Question
Answer: Option D. -> Pathogens
Answer: (d).Pathogens
Question 42. Which of the following can be used to degrade typical contaminants using carbon source for their growth?
  1.    Microbes
  2.    Chemicals
  3.    Quorum quenching
  4.    Lyophilization
 Discuss Question
Answer: Option A. -> Microbes
Answer: (a).Microbes
Question 43. Which of the following process uses microorganisms utilize contaminants as their food sources thereby degrading them in the process?
  1.    Inorganic compounds
  2.    Isolated bio-components
  3.    Toxic compounds
  4.    Mineralisation
 Discuss Question
Answer: Option D. -> Mineralisation
Answer: (d).Mineralisation
Question 44. Which of the following processes doesn’t come under phyto-remediation of halogen reactions?
  1.    Bio-accumulation
  2.    Concentration and excavation
  3.    Phytoextraction
  4.    Phytostabilisation
 Discuss Question
Answer: Option B. -> Concentration and excavation
Answer: (b).Concentration and excavation
Question 45. Which of the following is the most reliable method of halogen reactions?
  1.    Bio-magnification
  2.    Bio-remediation
  3.    Lyophilization
  4.    Chemical method
 Discuss Question
Answer: Option B. -> Bio-remediation
Answer: (b).Bio-remediation
Question 46. Decomposition of remains from mineralization process.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 47. Which of the following is a process of immobilization?
  1.    Bio-accumulation
  2.    Bio-remediation
  3.    Bio-degradation
  4.    Bio-magnification
 Discuss Question
Answer: Option A. -> Bio-accumulation
Answer: (a).Bio-accumulation
Question 48. Which of the following is not suitable for treatment by bio-remediation?
  1.    Hydrocarbons
  2.    Fungicides
  3.    Surfactants
  4.    Multiple sclerosis
 Discuss Question
Answer: Option D. -> Multiple sclerosis
Answer: (d).Multiple sclerosis
Question 49. Halogen reactions is most suitable for the degradation of which of the following?
  1.    Methane
  2.    Nitrogen
  3.    Organic chemicals
  4.    Carbon dioxide
 Discuss Question
Answer: Option C. -> Organic chemicals
Answer: (c).Organic chemicals
Question 50. Bio-remediation can also be used to degrade which of the following compounds?
  1.    Methane
  2.    Nitrogen
  3.    Radionuclides
  4.    Carbon dioxide
 Discuss Question
Answer: Option C. -> Radionuclides
Answer: (c).Radionuclides

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