Biodegradation Of Organic Pollutants(Environmental Biotechnology ) Questions and Answers

Question 1. Which of the following organism is based on highly reactive free radical de-polymerization?
  1.    Basidiomycetes
  2.    Bacteria
  3.    Pathogen
  4.    Protozoa
Explanation:-
Answer: Option A. -> Basidiomycetes
Answer: (a).Basidiomycetes
Question 2. Which of the following molecule is used by laccase group of biocatalysts to function properly?
  1.    Molecular oxygen
  2.    Manganese
  3.    Carbon dioxide
  4.    Methane
Explanation:-
Answer: Option A. -> Molecular oxygen
Answer: (a).Molecular oxygen
Question 3. Lignin degradation is done by the synergistic effect of oxidoreductases.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option A. -> True
Answer: (a).True
Question 4. Basidiomycetes are ideal for biodegradation of organopollutants.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option A. -> True
Answer: (a).True
Question 5. Which of the following bacteria are used to degrade the fermented products?
  1.    Methanogenic bacteria
  2.    Sulphate reducing bacteria
  3.    Carbon degrading bacteria
  4.    Hydrogen producing bacteria
Explanation:-
Answer: Option A. -> Methanogenic bacteria
Answer: (a).Methanogenic bacteria
Question 6. Which the following bacteria can produce hydrogen from carbohydrates?
  1.    Clostridium sp.
  2.    Syntrophobacter sp.
  3.    Syntrophobacter wolinii
  4.    Syntrophomonas wolfei
Explanation:-
Answer: Option A. -> Clostridium sp.
Answer: (a).Clostridium sp.
Question 7. In anaerobic conditions, the biopolymers cannot be degraded by which of the following process?
  1.    Depolymerisation
  2.    Fermentation
  3.    Reduction of fatty acid
  4.    Biogas formation
Explanation:-
Answer: Option C. -> Reduction of fatty acid
Answer: (c).Reduction of fatty acid
Question 8. Molecular hydrogen is produced during different stages of aerobic reaction.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option B. -> False
Answer: (b).False
Question 9. Fatty acid isomers are usually derived from degradation of amino acids.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option A. -> True
Answer: (a).True
Question 10. Which of the following enzyme aids in the first step in methane oxidation?
  1.    Methanol
  2.    Formaldehyde
  3.    Methane mono oxygenase
  4.    Carbon dioxide
Explanation:-
Answer: Option C. -> Methane mono oxygenase
Answer: (c).Methane mono oxygenase
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