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MCQs

Total Questions : 54 | Page 3 of 6 pages
Question 21. Very easily degradable pollutant can be degraded by direct metabolism by bacteria.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 22. Which of the following methods is not used to degrade easily degradable pollutant?
  1.    Adaptation of bacteria
  2.    Exo and endo enzyme reaction
  3.    Biofilm development
  4.    Pasteurization
 Discuss Question
Answer: Option D. -> Pasteurization
Answer: (d).Pasteurization
Question 23. Artificial inoculation is a degradation requirement in potentially degradable pollutants.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 24. What of the following biological organisms cannot be used to degrade very easily degradable pollutants?
  1.    Bacteria
  2.    Fungi
  3.    Algae
  4.    Dioxins
 Discuss Question
Answer: Option D. -> Dioxins
Answer: (d).Dioxins
Question 25. The residence time of easily degradable pollutants in the environment ranges from ___________
  1.    10-14 days
  2.    0-5 days
  3.    0-6 days
  4.    50 days
 Discuss Question
Answer: Option A. -> 10-14 days
Answer: (a).10-14 days
Question 26. Additional substrate requirement is there along with artificial inoculation to degrade very slowly degradable pollutants.
  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. Anabolic processes of microorganisms help in the decomposition of bioorganic or organic compounds.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 28. ____________ process is the main pathway for degradation of bioorganic compounds.
  1.    catabolic
  2.    anabolic
  3.    catalytic
  4.    gluconeogenesis
 Discuss Question
Answer: Option A. -> catabolic
Answer: (a).catabolic
Question 29. __________ of some xenobiotic can be traced back to a biological origin.
  1.    Carbon portion
  2.    Sugar portion
  3.    Potassium portion
  4.    Calcium portion
 Discuss Question
Answer: Option A. -> Carbon portion
Answer: (a).Carbon portion
Question 30. Which of the following return to the carbon cycle after incineration?
  1.    Coal
  2.    Oil
  3.    Natural gas
  4.    water
 Discuss Question
Answer: Option D. -> water
Answer: (d).water

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