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MCQs

Total Questions : 132 | Page 10 of 14 pages
Question 91. Land farming processes relies on indigenous microorganisms to bring about __________
  1.    Oxidation of sodium thiosulphate
  2.    Methanogenesis
  3.    Remediation
  4.    Acetogenesis
 Discuss Question
Answer: Option C. -> Remediation
Answer: (c).Remediation
Question 92. Soil banking technique is usually faster than Land farming.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 93. Sea water intrusions consists of a lot of Geo-chemical process, which of the following is not included in the same?
  1.    Inter-aquifer mixing
  2.    Anthropogenic contamination
  3.    Increasing dissolved oxygen
  4.    Mobilization of brines
 Discuss Question
Answer: Option C. -> Increasing dissolved oxygen
Answer: (c).Increasing dissolved oxygen
Question 94. Arrange these soluble cations (Na, Ca, K, Mg) in ascending order of abundance of soluble cations found in saline costal soils.
  1.    Na>Mg>Ca>K
  2.    Mg>Na>Ca>K
  3.    K>Mg>Ca>Na
  4.    Na>Mg>K>Ca
 Discuss Question
Answer: Option A. -> Na>Mg>Ca>K
Answer: (a).Na>Mg>Ca>K
Question 95. The process by which the saline water underlying freshwater rises upward into the freshwater zone is called as _______
  1.    Upconing
  2.    Bio-remediation
  3.    Bio-degradation
  4.    Bio-magnification
 Discuss Question
Answer: Option A. -> Upconing
Answer: (a).Upconing
Question 96. How does salt reaches the soil surface during dry season?
  1.    Diffusion
  2.    Capillary rise
  3.    Active transport
  4.    Passive transport
 Discuss Question
Answer: Option B. -> Capillary rise
Answer: (b).Capillary rise
Question 97. Which of the salts are found in abundance in coastal saline soils?
  1.    Oxygen
  2.    NaCl and Na₂SO₄
  3.    Nitrogen
  4.    Carbon monoxide
 Discuss Question
Answer: Option B. -> NaCl and Na₂SO₄
Answer: (b).NaCl and Na₂SO₄
Question 98. Which among the following is a method of managing the soil salinity?
  1.    Drainage
  2.    Harmful algal blooms
  3.    Bio-remediation
  4.    Bio-degradation
 Discuss Question
Answer: Option A. -> Drainage
Answer: (a).Drainage
Question 99. Over-limimg acidic soil leads to the alkalinity of the soil.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 100. The process of Leaching is basically the removal of soluble salts that are present in the soil beyond the root zone.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True

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