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MCQs

Total Questions : 1678 | Page 11 of 168 pages
Question 101. Part of Freshwaterconsumed in the industry is
  1.    11%
  2.    22%
  3.    69%
  4.    23%
 Discuss Question
Answer: Option D. -> 23%
Answer: (d).23%
Question 102. Oceans contains part of earth's water
  1.    95%
  2.    96%
  3.    97%
  4.    98%
 Discuss Question
Answer: Option C. -> 97%
Answer: (c).97%
Question 103. Chromium VI is highly toxic causing disease of
  1.    Kidney
  2.    Lungs
  3.    Nervous system
  4.    Cancer
 Discuss Question
Answer: Option D. -> Cancer
Answer: (d).Cancer
Question 104. CO₂ in atmosphere changes to
  1.    Carbonic acid
  2.    carbolic acid
  3.    Sulphuric acid
  4.    Nitric acid
 Discuss Question
Answer: Option A. -> Carbonic acid
Answer: (a).Carbonic acid
Question 105. Hydrosphere covers the surface of earth
  1.    70.80%
  2.    71.80%
  3.    72.80%
  4.    73.80%
 Discuss Question
Answer: Option A. -> 70.80%
Answer: (a).70.80%
Question 106. Term ozone hole is used for depletion of ozone during months of
  1.    Jan - Feb
  2.    March - Sep
  3.    Sep - Nov
  4.    Dec - Feb
 Discuss Question
Answer: Option C. -> Sep - Nov
Answer: (c).Sep - Nov
Question 107. The largest recycled item is
  1.    Newspaper
  2.    Plastics
  3.    Glass
  4.    Aluminium
 Discuss Question
Answer: Option A. -> Newspaper
Answer: (a).Newspaper
Question 108. The main source of air pollution is
  1.    Oxides of Sulphur
  2.    Oxides of Carbon
  3.    Oxides of Nitrogen
  4.    All of above
 Discuss Question
Answer: Option D. -> All of above
Answer: (d).All of above
Question 109. The amount of argon in the atmosphere
  1.    0.03%
  2.    78%
  3.    0.90%
  4.    0.30%
 Discuss Question
Answer: Option C. -> 0.90%
Answer: (c).0.90%
Question 110. Eleven elements made part of earth mass
  1.    97.50%
  2.    98.50%
  3.    99.50%
  4.    100%
 Discuss Question
Answer: Option C. -> 99.50%
Answer: (c).99.50%

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