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MCQs

Total Questions : 54 | Page 2 of 6 pages
Question 11. Fungi has the capability of ___________
  1.    water
  2.    oxygen
  3.    carbon
  4.    potassium
 Discuss Question
Answer: Option A. -> water
Answer: (a).water
Question 12. Which of the following factors doesn’t influence the rate of degradation by bacteria?
  1.    Microbial density
  2.    Microbial diversity
  3.    Association
  4.    Color
 Discuss Question
Answer: Option D. -> Color
Answer: (d).Color
Question 13. The high persistence of halogenated xenobiotic can be overcomed by anaerobic 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 14. Recalcitrant polymers can be recycled by which of the following microorganism?
  1.    Fungi
  2.    Enzymes
  3.    Reptiles
  4.    Potassium
 Discuss Question
Answer: Option A. -> Fungi
Answer: (a).Fungi
Question 15. Bacterial assemblage can help in the degradation of __________
  1.    alcohol
  2.    carbonic acid
  3.    water
  4.    organic pollutants
 Discuss Question
Answer: Option D. -> organic pollutants
Answer: (d).organic pollutants
Question 16. The rate of degradability of pollutants is determined by its stability and ___________
  1.    residence time
  2.    fermentation time
  3.    instability
  4.    growth
 Discuss Question
Answer: Option A. -> residence time
Answer: (a).residence time
Question 17. Which of the following is not a subdivision of degradability of pollutants?
  1.    Very easily degradable
  2.    Easily degradable
  3.    Potentially degradable
  4.    Very fast degradable
 Discuss Question
Answer: Option D. -> Very fast degradable
Answer: (d).Very fast degradable
Question 18. Which of the following factors is not used to determine the response of aquatic environment water and sediment biota to pollutants?
  1.    Altered growth rate
  2.    Fermentation
  3.    Physiological activity at cellular level
  4.    Physiological activity at organism level
 Discuss Question
Answer: Option B. -> Fermentation
Answer: (b).Fermentation
Question 19. Which the following factors of pollutants doesn’t influence their Eco toxicological evaluations?
  1.    Stability
  2.    Size
  3.    Color
  4.    Texture
 Discuss Question
Answer: Option A. -> Stability
Answer: (a).Stability
Question 20. Which the following doesn’t come under the category of very easily degradable compounds?
  1.    Sugar
  2.    Amino acids
  3.    Organic acids
  4.    PCB
 Discuss Question
Answer: Option D. -> PCB
Answer: (d).PCB

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