Factors Affecting Bioaccumulation of Xenobiotics MCQ

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• The organs with high lipid content can accumulate more number of lipophilic toxicant, like in __________
  ক

  Liver

  খ

  Blood

  গ

  Heart

  ঘ

  Kidney
• Sometimes bio accumulation depends upon the tissue organization and composition.
  ক

  True

  খ

  False
• Metabolically active organisms accumulate more amount of toxicant.
  ক

  True

  খ

  False
• Elimination of one species affects the energy transfer in the biota.
  ক

  True

  খ

  False
• Which of the following factors can influence the physio chemistry of membrane lipids, hence, affecting the rate of Bio accumulation?
  ক

  Temperature

  খ

  Pressure

  গ

  Food type

  ঘ

  Size of animal
• The soil humic substances make complexes with metal ions adversely affecting _______________
  ক

  Membrane permeability rate

  খ

  Bioaccumulation

  গ

  Rate of active transport

  ঘ

  Rate of active transport
• Which of the environmental condition is not favorable of the toxicant accumulation?
  ক

  Nutrient load

  খ

  Temperature

  গ

  Biochemical degradation

  ঘ

  pH
• Beyond a certain concentration range the accumulation kinetics is not altered.
  ক

  True

  খ

  False
• Upon which of the following factors the accumulation kinetics depend?
  ক

  Accumulation phase

  খ

  Steady-state

  গ

  Elimination phase

  ঘ

  Toxicant concentration