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MCQs

Total Questions : 360 | Page 3 of 36 pages
Question 21. Which of the following are sources to fluorine air pollution?
  1.    Coal combustion
  2.    Steel industries
  3.    Phosphate fertiliser manufacturing
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned
Question 22. What does the word ‘meteorology’ define?
  1.    Study of meteors and asteroids
  2.    Study of measurements and instruments
  3.    Study of chemical properties of metals
  4.    Study of the weather and atmospheric changes
 Discuss Question
Answer: Option D. -> Study of the weather and atmospheric changes
Answer: (d).Study of the weather and atmospheric changes
Question 23. Which of the following is a source for boron air pollution?
  1.    Rockets and jets
  2.    Automobiles
  3.    Soap industries
  4.    Refrigerants
 Discuss Question
Answer: Option A. -> Rockets and jets
Answer: (a).Rockets and jets
Question 24. Which is/are the most significant air-borne allergen(s)?
  1.    Fungi
  2.    Pollen
  3.    Soot
  4.    All of the mentioned
 Discuss Question
Answer: Option B. -> Pollen
Answer: (b).Pollen
Question 25. Which are the sources of arsenic pollution?
  1.    Coal and petroleum
  2.    Detergents and pesticides
  3.    Mine tailings
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned
Question 26. Which of the following has the highest albedo?
  1.    Water surface
  2.    Plateau surfaces
  3.    Vegetation
  4.    Fresh snow
 Discuss Question
Answer: Option D. -> Fresh snow
Answer: (d).Fresh snow
Question 27. Which are the two forces balanced by the geostrophic wind?
  1.    Coriolis effect and pressure gradient force
  2.    Coriolis force and centrifugal force
  3.    Frictional force and pressure gradient force
  4.    Pressure gradient force and centrifugal force
 Discuss Question
Answer: Option A. -> Coriolis effect and pressure gradient force
Answer: (a).Coriolis effect and pressure gradient force
Question 28. Which of the following is regarded as climate control factor(s)?
  1.    Latitude
  2.    Elevation
  3.    Ocean currents
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned
Question 29. The stability of the stratosphere is due to which of the following reasons?
  1.    Absorption of solar energy by ozone layer
  2.    Strong wind currents
  3.    Pressure is minimal
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> Absorption of solar energy by ozone layer
Answer: (a).Absorption of solar energy by ozone layer
Question 30. Which plant helps in detection of pollution from automobile exhaust?
  1.    Neem
  2.    Tulsi
  3.    Lichen
  4.    Lettuce
 Discuss Question
Answer: Option B. -> Tulsi
Answer: (b).Tulsi

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