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MCQs

Total Questions : 65 | Page 6 of 7 pages
Question 51. Which of the following xenobiotic compounds does not come under exogenous group?
  1.    Iron
  2.    Drugs
  3.    Food additives
  4.    Carcinogens
 Discuss Question
Answer: Option A. -> Iron
Answer: (a).Iron
Question 52. Microalgae can have certain effects on human body like Hypersensitivity.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 53. Which of the following harmful toxic compound is present in cosmetics?
  1.    Aluminium
  2.    Parabens
  3.    Oxygen
  4.    Nitrogen
 Discuss Question
Answer: Option B. -> Parabens
Answer: (b).Parabens
Question 54. In marine ecosystems, xenobiotic can easily penetrate into the membrane.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 55. Which of the following when injected to an organism can replicate the function of natural endogenic estrogen?
  1.    Gypsum
  2.    Citric acid
  3.    Xenoestrogen
  4.    Oxalic acid
 Discuss Question
Answer: Option C. -> Xenoestrogen
Answer: (c).Xenoestrogen
Question 56. The secondary pollution is caused due physical and chemical purification techniques.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 57. The decomposition of the organic compounds leads to conversion of released minerals into usable biomass.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 58. Which of the following techniques is environment friendly and cost effective?
  1.    Physical
  2.    Chemical
  3.    Biological
  4.    Combination of physical and chemical
 Discuss Question
Answer: Option C. -> Biological
Answer: (c).Biological
Question 59. Which of the following can be a major source of eutrophication during algal biomass harvesting?
  1.    Pure water
  2.    Nitrogen
  3.    Salty water
  4.    Effluent quality
 Discuss Question
Answer: Option B. -> Nitrogen
Answer: (b).Nitrogen
Question 60. Which of the following methods can be used to separate phosphates from insoluble precipitates during drying of algal biomass?
  1.    Sedimentation
  2.    Temperature
  3.    pH
  4.    Volume
 Discuss Question
Answer: Option A. -> Sedimentation
Answer: (a).Sedimentation

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