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MCQs

Total Questions : 132 | Page 13 of 14 pages
Question 121. Leaching is an important step in saline soil reclamation.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 122. Adding FYM to the soil helps in reclamation.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 123. Process integration is not achieved by which among the following?
  1.    In situ or ex situ
  2.    Extensive or intensive
  3.    Biological
  4.    Physical
 Discuss Question
Answer: Option D. -> Physical
Answer: (d).Physical
Question 124. Which among the following processes doesn’t come under phyto-remediation?
  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 125. Which among the following doesn’t have higher potential to soil remediation?
  1.    Bacteria
  2.    Plants
  3.    Fungi
  4.    Pathogens
 Discuss Question
Answer: Option D. -> Pathogens
Answer: (d).Pathogens
Question 126. Pick-and-mix approach makes the process integration a flexible approach in cleaning up the land.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 127. ____________ 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 128. Which of the following treatment options is not suitable for areas where contaminants don’t cause a potential harm to human health and the environment?
  1.    Natural attenuation
  2.    Passive remediation
  3.    Bio attenuation
  4.    Live attenuated
 Discuss Question
Answer: Option D. -> Live attenuated
Answer: (d).Live attenuated
Question 129. Bio enhancement stimulates the existing micro fauna by ______
  1.    Manipulating the local environmental conditions
  2.    Entering the food chain
  3.    Increasing dissolved oxygen
  4.    Producing methane gas
 Discuss Question
Answer: Option A. -> Manipulating the local environmental conditions
Answer: (a).Manipulating the local environmental conditions
Question 130. Functional biology is usually described as a process of bio enhancement (and/or) ____________
  1.    Bio augmentation
  2.    Bio-accumulation
  3.    Bio-degradation
  4.    Bio-magnification
 Discuss Question
Answer: Option A. -> Bio augmentation
Answer: (a).Bio augmentation

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