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MCQs

Total Questions : 132 | Page 3 of 14 pages
Question 21. Which of the following methods is not included for disposal of tailings methods?
  1.    Submarine Tailings Disposal
  2.    Dry sacking
  3.    Phytostabilisation
  4.    Afforestation
 Discuss Question
Answer: Option D. -> Afforestation
Answer: (d).Afforestation
Question 22. Acaccia mangium is considered an ideal plant for bioreclamation of overburden dumps.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 23. When the open pit mines are refilled with the tailings is called as ________
  1.    Pond storage
  2.    Extraction
  3.    Beneficiation
  4.    Processing
 Discuss Question
Answer: Option A. -> Pond storage
Answer: (a).Pond storage
Question 24. Phyto stabilization is a technique of remediation where plants are used for removal of tailings from the environment by sequestering pollutants in areas near the roots.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 25. Mining industry can try to stabilize the environmental pollution by plantation.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 26. Bioconcentration factor is the concentration of a pollutant in a organism compared to that present in the environment.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 27. Which of the following is not an organic pollutant?
  1.    Insecticides
  2.    Dioxins
  3.    Polychlorinated biphenyls
  4.    Oxygen
 Discuss Question
Answer: Option D. -> Oxygen
Answer: (d).Oxygen
Question 28. The compounds which does not get degraded under any circumstances is called _______
  1.    Recalcitrant
  2.    Persistent
  3.    Mineralization
  4.    Bioaccumulation
 Discuss Question
Answer: Option A. -> Recalcitrant
Answer: (a).Recalcitrant
Question 29. Organic pollutants are persistent and can not be degraded in the environment by natural processes.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 30. Which of the following method leads to the accumulation of organic pollutants in the environment?
  1.    Mine dumps
  2.    Culm dumps
  3.    Spills
  4.    Mine drainage
 Discuss Question
Answer: Option C. -> Spills
Answer: (c).Spills

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