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MCQs

Total Questions : 54 | Page 4 of 6 pages
Question 31. Stripping of carbon dioxide is necessary to prevent a drop in pH and _______
  1.    exhaust vapor condensate
  2.    fermentation
  3.    distillation
  4.    remove heat energy
 Discuss Question
Answer: Option D. -> remove heat energy
Answer: (d).remove heat energy
Question 32. Which of the following helps to hydrolyze the macromolecules?
  1.    Exo enzymes
  2.    Endo enzymes
  3.    Sodium
  4.    Potassium
 Discuss Question
Answer: Option A. -> Exo enzymes
Answer: (a).Exo enzymes
Question 33. Molecular oxygen available in the environment helps to degrade plant biomass to carbon dioxide and ___________
  1.    water
  2.    oxygen
  3.    carbon
  4.    potassium
 Discuss Question
Answer: Option A. -> water
Answer: (a).water
Question 34. The exo enzyme __________ to the bio polymers.
  1.    adsorb
  2.    absorb
  3.    miscible
  4.    immiscible
 Discuss Question
Answer: Option A. -> adsorb
Answer: (a).adsorb
Question 35. Which of the following is the central intermediate of almost all the metabolism?
  1.    Acetyl CoA
  2.    Oil
  3.    Natural gas
  4.    Carbon dioxide
 Discuss Question
Answer: Option A. -> Acetyl CoA
Answer: (a).Acetyl CoA
Question 36. When carbohydrates are respired by aerobic bacteria, almost one third of initial energy is lost.
  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. The places where the molecular oxygen is deficient but the organic matter content is high, degradation occurs __________
  1.    anoxically
  2.    in presence of oxygen
  3.    in presence of water
  4.    in presence of organic pollutants
 Discuss Question
Answer: Option A. -> anoxically
Answer: (a).anoxically
Question 38. The conserved energy in the phosphanhydride bond of ATP is partially used for cell multiplication and ___________
  1.    maintenance metabolism
  2.    mashing with Adhesives
  3.    mashing with Fibers
  4.    mashing with Alkali and acids
 Discuss Question
Answer: Option A. -> maintenance metabolism
Answer: (a).maintenance metabolism
Question 39. In absence of inorganic electron acceptor, the oxidized metabolite is reduced to ___________
  1.    Lactate
  2.    Oxygen
  3.    Sodium
  4.    Water
 Discuss Question
Answer: Option A. -> Lactate
Answer: (a).Lactate
Question 40. Fungi can help in the elimination of hazardous wastes from the ecosystem.
  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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