Management And Remediation Of Soil(Environmental Biotechnology ) Questions and Answers

Question 1. What is the major benefit of in-situ based treatment?
  1.    Low intrusion
  2.    High intrusion
  3.    High contamination risk
  4.    High cost
Explanation:-
Answer: Option A. -> Low intrusion
Answer: (a).Low intrusion
Question 2. Which of the following process involves super-aeration of groundwater?
  1.    Biosparging
  2.    Bio-accumulation
  3.    Bio-degradation
  4.    Bio-magnification
Explanation:-
Answer: Option A. -> Biosparging
Answer: (a).Biosparging
Question 3. Technique which is used to re-mediate contamination above the water table is called as Bioluminescence.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option B. -> False
Answer: (b).False
Question 4. Increasing the oxygenation of the stratum, it ultimately benefits the overall efficiency of soil remediation.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option A. -> True
Answer: (a).True
Question 5. Which of the following technique is used to re-mediate contamination at the boundary level of water table?
  1.    Biosparging
  2.    Bio-accumulation
  3.    Bio-degradation
  4.    Bio-magnification
Explanation:-
Answer: Option A. -> Biosparging
Answer: (a).Biosparging
Question 6. Which of the following is not a principal approach under ex-situ techniques?
  1.    Soil banking
  2.    Soil slurry bioreactors
  3.    Land farming
  4.    Bio-sparging
Explanation:-
Answer: Option D. -> Bio-sparging
Answer: (d).Bio-sparging
Question 7. Land farming processes usually occurs in ____________
  1.    Lined earthworks
  2.    Rapid earthworks
  3.    DLAS architecture
  4.    Valley landscape
Explanation:-
Answer: Option A. -> Lined earthworks
Answer: (a).Lined earthworks
Question 8. ______________ technique is usually done within the earthwork banking that has been constructed.
  1.    Land farming
  2.    Bio sparging
  3.    Bio-accumulation
  4.    Bio-degradation
Explanation:-
Answer: Option A. -> Land farming
Answer: (a).Land farming
Question 9. Land farming is a type of low tech bio reactor.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option A. -> True
Answer: (a).True
Question 10. Which of the following process is not involved in the pretreatment stage of land farming?
  1.    Soil excavation
  2.    Soil screening
  3.    Storage
  4.    Bio-magnification
Explanation:-
Answer: Option D. -> Bio-magnification
Answer: (d).Bio-magnification
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