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MCQs

Total Questions : 132 | Page 2 of 14 pages
Question 11. Bio-remediation can be used at the sites contaminated with petroleum hydrocarbons.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 12. Soil salinity in coastal areas is due to the presence of ground water which is saline and overflow of sea water in the low-lying areas.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 13. The process by which the salt content in the soil increases is called as _______
  1.    Engineered biopiling
  2.    Soil salinization
  3.    Land farming
  4.    Bio-sparging
 Discuss Question
Answer: Option B. -> Soil salinization
Answer: (b).Soil salinization
Question 14. Which of the following is not an after effect of soil salinization?
  1.    Reduction in soil quality
  2.    Limited growth of crops
  3.    Constrains agricultural productivity
  4.    Increases the soil fertility
 Discuss Question
Answer: Option D. -> Increases the soil fertility
Answer: (d).Increases the soil fertility
Question 15. High salt concentration leads to osmotic stress in plants.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 16. Irrigation water which turns alkaline does not affect the soil pH.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 17. What does compost do to the alkaline soil?
  1.    Wash away salts and chemicals
  2.    Increase the pH
  3.    Leads to the death of microorganisms
  4.    Leads to soil contamination
 Discuss Question
Answer: Option A. -> Wash away salts and chemicals
Answer: (a).Wash away salts and chemicals
Question 18. Planting coffee plants near the soil would make the soil more alkaline.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 19. Which of the following methods can be used to reduce the soil alkalinity?
  1.    Increase the acid content
  2.    Anthropogenic contamination
  3.    Increasing dissolved oxygen
  4.    Mobilization of brines
 Discuss Question
Answer: Option A. -> Increase the acid content
Answer: (a).Increase the acid content
Question 20. In dry regions, the primary cause of soil alkalinity is due to calcium carbonate-rich parent material weathering.
  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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