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MCQs

Total Questions : 52 | Page 5 of 6 pages
Question 41. Which of the following can help Lipophilic compounds to enter the tissues of terrestrial plants?
  1.    Sub-cellular region
  2.    Food chain
  3.    Xenoestrogen
  4.    Root surface
 Discuss Question
Answer: Option D. -> Root surface
Answer: (d).Root surface
Question 42. Which of the following can ingest metals?
  1.    Aquatic algae
  2.    Reptiles
  3.    Fishes
  4.    Humans
 Discuss Question
Answer: Option A. -> Aquatic algae
Answer: (a).Aquatic algae
Question 43. Which of the following process is required for re-use of deposit bottles which poses threat to the environment?
  1.    Denitrification
  2.    Nitrification
  3.    Glycolysis
  4.    Esterification
 Discuss Question
Answer: Option A. -> Denitrification
Answer: (a).Denitrification
Question 44. Which of the following is measured for a single population?
  1.    Insecticides
  2.    Dioxins
  3.    Polychlorinated biphenyls
  4.    Quantal response
 Discuss Question
Answer: Option D. -> Quantal response
Answer: (d).Quantal response
Question 45. Organic pollutants are persistent and cannot be degraded in the environment by natural processes.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 46. Which of the following can be the case of Quantal dose-response relationship?
  1.    Binary
  2.    Secondary
  3.    Primary
  4.    Tertiary
 Discuss Question
Answer: Option A. -> Binary
Answer: (a).Binary
Question 47. Which of the following compounds does not get degraded under any circumstances?
  1.    Recalcitrant
  2.    Persistent
  3.    Mineralization
  4.    Bioaccumulation
 Discuss Question
Answer: Option A. -> Recalcitrant
Answer: (a).Recalcitrant
Question 48. Which of the following causes nutrient deficiency in crops that are grown on acidic sulphate soils?
  1.    Aluminum toxicity
  2.    Sodium toxicity
  3.    Oxygen toxicity
  4.    Nitrogen toxicity
 Discuss Question
Answer: Option A. -> Aluminum toxicity
Answer: (a).Aluminum toxicity
Question 49. Adding Farm yard Manure or FYM to the soil helps in reclamation.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 50. Sesbania aculeata can be used for soil reclamation.
  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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