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MCQs

Total Questions : 65 | Page 4 of 7 pages
Question 31. Bioaccumulation of organic substances follows the simple empirical model of partition.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 32. Which of the following factors is responsible for chemical accumulation in the organism?
  1.    Nutrient load
  2.    Temperature
  3.    Lipophilicity
  4.    pH
 Discuss Question
Answer: Option C. -> Lipophilicity
Answer: (c).Lipophilicity
Question 33. Exposure of standard test batteries to a known concentration of toxicant is not an acceptable method to test bio-accumulation.
  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. In partial hypothesis, the entire organism is considered as a single compartment.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 35. Which of the following is not used as a standard test battery for measuring bio-accumulation?
  1.    Algae
  2.    Zooplanktons
  3.    Fish
  4.    Birds
 Discuss Question
Answer: Option D. -> Birds
Answer: (d).Birds
Question 36. The amount of toxicants and chemicals that accumulates in the ecosystem after the transfer is called as ________
  1.    Bio accumulated
  2.    Bio-polluted
  3.    Bio hazard
  4.    Bio degradation
 Discuss Question
Answer: Option A. -> Bio accumulated
Answer: (a).Bio accumulated
Question 37. Which of the following is considered as a subsystem of an ecosystem?
  1.    Nutrient load
  2.    Temperature
  3.    Lipophilicity
  4.    Air
 Discuss Question
Answer: Option D. -> Air
Answer: (d).Air
Question 38. Volatilization is the main pathway through which the toxicant returns to the air.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 39. The chemical escapes into the environment through excretion and exudation.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 40. The chemicals get accumulated in the subsystems of ecosystem and gets transferred at specific transfer rates.
  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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