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MCQs

Total Questions : 52 | Page 4 of 6 pages
Question 31. Which of the following is the major disadvantage of heterotrophic nitrification?
  1.    Excess sludge generation
  2.    Less sludge generation
  3.    Presence of oxygen
  4.    Presence of carbon source
 Discuss Question
Answer: Option A. -> Excess sludge generation
Answer: (a).Excess sludge generation
Question 32. Which of the following properties are not shown by Pharmacodynamics?
  1.    Potency
  2.    Efficacy
  3.    Efficiency
  4.    Color
 Discuss Question
Answer: Option D. -> Color
Answer: (d).Color
Question 33. The time progression of drug concentration can predict the time course of the effect of the drug effect.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 34. Which of the following is the correct expansion of OLNAD?
  1.    Oxygen limited nitrification and denitrification
  2.    Oxygen reduced nitrification and denitrification
  3.    Oxygen limited ammonification and denitrification
  4.    Oxygen reduced nitrification and ammonification
 Discuss Question
Answer: Option A. -> Oxygen limited nitrification and denitrification
Answer: (a).Oxygen limited nitrification and denitrification
Question 35. Which sources can serve for the natural mineral water available in bottled water?
  1.    Spring source
  2.    Lake reservoirs
  3.    Ocean
  4.    Rivers
 Discuss Question
Answer: Option A. -> Spring source
Answer: (a).Spring source
Question 36. Salt is an important additive to the table water.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 37. Which of the following is not added to nourishment beverages?
  1.    Sugar
  2.    Flavoring agents
  3.    Carbon dioxide
  4.    Chemicals
 Discuss Question
Answer: Option D. -> Chemicals
Answer: (d).Chemicals
Question 38. Which of the following consists of waste water from soft drinks industry?
  1.    Inorganic pollutants
  2.    Organic pollutants
  3.    Vegetable waste
  4.    Cow dung
 Discuss Question
Answer: Option B. -> Organic pollutants
Answer: (b).Organic pollutants
Question 39. Which of the following is not included in the production of waste water?
  1.    Washing water
  2.    Exhaust vapor condensate
  3.    Production sheds
  4.    Intestine contents
 Discuss Question
Answer: Option D. -> Intestine contents
Answer: (d).Intestine contents
Question 40. Which of the following is the higher limit of the Chemical oxygen demand of fruit juices ranges from 50g/l ?
  1.    200g/l
  2.    500g/l
  3.    25g/l
  4.    10g/l
 Discuss Question
Answer: Option A. -> 200g/l
Answer: (a).200g/l

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