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Total Questions : 132 | Page 5 of 14 pages
Question 41. High energy intervention is referred as ________
  1.    HPLC
  2.    Intensive technologies
  3.    PAM
  4.    Optical Microscopy
 Discuss Question
Answer: Option B. -> Intensive technologies
Answer: (b).Intensive technologies
Question 42. Which of the following is an example of extensive method?
  1.    Soil washing
  2.    Cropping of plants that accumulate heavy metals
  3.    Global warming
  4.    Carbonate equilibrium
 Discuss Question
Answer: Option B. -> Cropping of plants that accumulate heavy metals
Answer: (b).Cropping of plants that accumulate heavy metals
Question 43. Bio remediation does not rely on the natural abilities of soil micro-organisms.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 44. Which among the following does not determine the suitability of soil remediation?
  1.    Nutrient availability
  2.    Presence of other inhibitory contaminants
  3.    Oxygenation
  4.    Pathogens
 Discuss Question
Answer: Option D. -> Pathogens
Answer: (d).Pathogens
Question 45. 20-30°C is the ideal range for bioremediation as it optimizes _______
  1.    Enzyme activity
  2.    Temperature
  3.    Pressure
  4.    pH
 Discuss Question
Answer: Option A. -> Enzyme activity
Answer: (a).Enzyme activity
Question 46. What is the preferable range of temperature for bioremediation by soil microorganisms?
  1.    0-50 °C
  2.    50-60 °C
  3.    80-100 °C
  4.    120-150 °C
 Discuss Question
Answer: Option A. -> 0-50 °C
Answer: (a).0-50 °C
Question 47. Which of the following type of soil is suitable for soil remediation?
  1.    Peaty Soil
  2.    Sandy soil
  3.    Less or no organic content soil
  4.    Soil with gravels
 Discuss Question
Answer: Option A. -> Peaty Soil
Answer: (a).Peaty Soil
Question 48. Which of the following is not a process of remediation?
  1.    Vitrification
  2.    Thermal
  3.    Bio-leaching
  4.    Chemical
 Discuss Question
Answer: Option C. -> Bio-leaching
Answer: (c).Bio-leaching
Question 49. What does physical method of treatment of contaminated materials include?
  1.    Microorganisms
  2.    Concentration and excavation
  3.    Toxic compounds
  4.    Ethidium bromide
 Discuss Question
Answer: Option B. -> Concentration and excavation
Answer: (b).Concentration and excavation
Question 50. Soil remediation means cleaning up the _________
  1.    Bacterial contaminants
  2.    Residual effects of human activities
  3.    Biological contaminants
  4.    Non-Biological contaminants
 Discuss Question
Answer: Option B. -> Residual effects of human activities
Answer: (b).Residual effects of human activities

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