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MCQs

Total Questions : 560 | Page 6 of 56 pages
Question 51. In northern Canada increased temperature will tend to lengthen the
  1.    Winters
  2.    Pollution growth
  3.    Growing period
  4.    Humidity
 Discuss Question
Answer: Option C. -> Growing period
Answer: (c).Growing period
Question 52. Global warming is entitled as
  1.    Health Problem
  2.    Economical Problem
  3.    Social Problem
  4.    Environmental Problem
 Discuss Question
Answer: Option D. -> Environmental Problem
Answer: (d).Environmental Problem
Question 53. Vulnerability, degree of a system, susceptible to adverse effects of
  1.    Deforestation
  2.    Climate change
  3.    Urbanization
  4.    Soil Erosion
 Discuss Question
Answer: Option B. -> Climate change
Answer: (b).Climate change
Question 54. Almost, 6% of radiations from sun is scattered back to space by:
  1.    Plants
  2.    Radiations
  3.    Atmospheric molecules
  4.    Animals
 Discuss Question
Answer: Option C. -> Atmospheric molecules
Answer: (c).Atmospheric molecules
Question 55. Loss of soil, Over extraction of groundwater, damaging from acid rain are examples of:
  1.    Deforestation
  2.    Environmental degradation
  3.    Urbanization
  4.    Global Warming
 Discuss Question
Answer: Option B. -> Environmental degradation
Answer: (b).Environmental degradation
Question 56. Wheat, rice and soya bean are:
  1.    C3 Plants
  2.    C4 Plants
  3.    C1 Plants
  4.    C2 Plants
 Discuss Question
Answer: Option A. -> C3 Plants
Answer: (a).C3 Plants
Question 57. Envelope of gases surrounding Earth and planets is known as:
  1.    Biosphere
  2.    Atmosphere
  3.    Hydrosphere
  4.    Troposphere
 Discuss Question
Answer: Option B. -> Atmosphere
Answer: (b).Atmosphere
Question 58. Vegetation covered surfaces has a low albedo level, due to light absorbed in
  1.    Respiration
  2.    Condensation
  3.    Precipitation
  4.    Photosynthesis
 Discuss Question
Answer: Option D. -> Photosynthesis
Answer: (d).Photosynthesis
Question 59. Agricultural land has been lost due to
  1.    Soil Erosion
  2.    Deforestation
  3.    Floods
  4.    Eutrophication
 Discuss Question
Answer: Option A. -> Soil Erosion
Answer: (a).Soil Erosion
Question 60. What does 'chlorofluorocarbon' (CFC) produce?
  1.    Methane and ethane
  2.    Methane and fluorine
  3.    Methane and chlorine
  4.    Methane and carbon
 Discuss Question
Answer: Option A. -> Methane and ethane
Answer: (a).Methane and ethane

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