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MCQs

Total Questions : 110 | Page 2 of 11 pages
Question 11. Which of the following has less organic matter load?
  1.    Marshlands
  2.    Marine sediments
  3.    Landfill sites
  4.    Fresh water
 Discuss Question
Answer: Option D. -> Fresh water
Answer: (d).Fresh water
Question 12. Which of the following is not an important step of anaerobic digestion?
  1.    Hydrolysis
  2.    Acidification
  3.    Methane formation
  4.    De-acidification
 Discuss Question
Answer: Option D. -> De-acidification
Answer: (d).De-acidification
Question 13. Continuous fermentation necessitates continuous loading and discharge.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 14. What is dry fermentation process?
  1.    Water content between 55%-75%
  2.    Water content between 85%-95%
  3.    Water content between 80%-85%
  4.    Water content between 0%-15%
 Discuss Question
Answer: Option A. -> Water content between 55%-75%
Answer: (a).Water content between 55%-75%
Question 15. Which of the following causes decomposition of water insoluble biopolymers?
  1.    Hydrolysis
  2.    Acidification
  3.    Esterification
  4.    Methanogenesis
 Discuss Question
Answer: Option A. -> Hydrolysis
Answer: (a).Hydrolysis
Question 16. Which of the following is most suitable for dry wastes?
  1.    Aerobic composting
  2.    Anaerobic composting
  3.    Closed vessel
  4.    Anaerobic digestion
 Discuss Question
Answer: Option A. -> Aerobic composting
Answer: (a).Aerobic composting
Question 17. Which of the following is an end product of anaerobic composting which is a source of energy?
  1.    Biogas
  2.    Alcohol
  3.    Toxic products
  4.    Amino acid
 Discuss Question
Answer: Option A. -> Biogas
Answer: (a).Biogas
Question 18. The degradation rate of anaerobic digestion is higher than that of aerobic digestion.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 19. Which of the following is a characteristic of anaerobic digestion?
  1.    Low degradation rate
  2.    Low odor emission
  3.    Narrow suitability of wastes
  4.    Gas phase
 Discuss Question
Answer: Option B. -> Low odor emission
Answer: (b).Low odor emission
Question 20. Which of the following is not a characteristic of aerobic digestion?
  1.    Low degradation rate
  2.    High odor emission
  3.    Narrow suitability of wastes
  4.    Post-treatment
 Discuss Question
Answer: Option D. -> Post-treatment
Answer: (d).Post-treatment

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