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MCQs

Total Questions : 439 | Page 6 of 44 pages
Question 51. The atmosphere contains how much percentages of Oxygen?
  1.    20.95%
  2.    23%
  3.    21%
  4.    19%
 Discuss Question
Answer: Option A. -> 20.95%
Answer: (a).20.95%
Question 52. Which power is the fastest source of electricity in the world?
  1.    Wind Energy
  2.    hydro Electricity
  3.    wave Energy
  4.    Nuclear Energy
 Discuss Question
Answer: Option A. -> Wind Energy
Answer: (a).Wind Energy
Question 53. In the atmosphere some heat is absorbed by
  1.    Gases
  2.    Dusts
  3.    Pollutants
  4.    Water vapors
 Discuss Question
Answer: Option A. -> Gases
Answer: (a).Gases
Question 54. What health problems can be caused by smog?
  1.    Asthma/Cancer/Lung disease
  2.    Bronchitis/skin infections/T.B
  3.    Asthma/Bronchitis/Other respirative problems
  4.    Lung cancer/T.B/Infections
 Discuss Question
Answer: Option C. -> Asthma/Bronchitis/Other respirative problems
Answer: (c).Asthma/Bronchitis/Other respirative problems
Question 55. Where the insolation is greatest?
  1.    Equator
  2.    Tropics
  3.    Both a and b
  4.    None of these
 Discuss Question
Answer: Option C. -> Both a and b
Answer: (c).Both a and b
Question 56. Five of the world's top fourteen oil producing countries are located in
  1.    Middle East
  2.    USA
  3.    Canada
  4.    Russia
 Discuss Question
Answer: Option A. -> Middle East
Answer: (a).Middle East
Question 57. What is biofuel?
  1.    Fuel used from crops
  2.    From Renewable energy
  3.    Biomass
  4.    Waste
 Discuss Question
Answer: Option A. -> Fuel used from crops
Answer: (a).Fuel used from crops
Question 58. Which region of the world oil consumption is more than its production per year?
  1.    Africa
  2.    Middle East
  3.    North America
  4.    Russia
 Discuss Question
Answer: Option C. -> North America
Answer: (c).North America
Question 59. Saudi Arabia, Iran, Iraq, UAE and Kuwait are the world's top producing of
  1.    Natural Gas
  2.    Oil
  3.    Coal
  4.    Nuclear Energy
 Discuss Question
Answer: Option B. -> Oil
Answer: (b).Oil
Question 60. Which region of the world is the second largest produces oil?
  1.    North America
  2.    Africa
  3.    Middle East
  4.    Russia
 Discuss Question
Answer: Option A. -> North America
Answer: (a).North America

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