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MCQs

Total Questions : 15 | Page 2 of 2 pages
Question 11. Which of the following is a secondary air pollutant?
  1.    SO2
  2.    SPM
  3.    NO2
  4.    PAN
 Discuss Question
Answer: Option D. -> PAN
Question 12. Which of the following is a liquid form of aerosol?
  1.    Dust
  2.    Fume
  3.    Smoke
  4.    Mist
 Discuss Question
Answer: Option D. -> Mist
Question 13. Which of the following is involved in production of carboxy haemoglobin?
  1.    SO2
  2.    NO2
  3.    CO
  4.    NO3
 Discuss Question
Answer: Option C. -> CO
Question 14. Which of the following is not a practical method of low level radioactive waste disposal?
  1.    Discharging to atmosphere through tall stacks after dilution
  2.    Dilution with inert material
  3.    Filling in steel crates and shooting it off out of earth's gravity
  4.    Disposing off in rivers & oceans
 Discuss Question
Answer: Option C. -> Filling in steel crates and shooting it off out of earth's gravity
Question 15. Which of the following is not a source of ozone emission in the atmosphere?
  1.    Refrigerators
  2.    Xerox machines
  3.    Dermatological photo-therapy equipments
  4.    High voltage electrical equipments
 Discuss Question
Answer: Option A. -> Refrigerators

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