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MCQs

Total Questions : 426 | Page 6 of 43 pages
Question 51. Living things in an environment is known as
  1.    Abiotic elements
  2.    Biotic elements
  3.    Animals and microorganism
  4.    Plants
 Discuss Question
Answer: Option B. -> Biotic elements
Answer: (b).Biotic elements
Question 52. According to biological view, ultimate fate of all species is
  1.    Live for ever
  2.    Destruction
  3.    Dead
  4.    Extinction
 Discuss Question
Answer: Option D. -> Extinction
Answer: (d).Extinction
Question 53. What is categorized as a trace gas in earth's atmosphere ?
  1.    Nitrogen
  2.    Oxygen
  3.    Carbon dioxide
  4.    Both a and b
 Discuss Question
Answer: Option C. -> Carbon dioxide
Answer: (c).Carbon dioxide
Question 54. Abiotic organisms include:
  1.    Soil, water and Air
  2.    Animals
  3.    Plants
  4.    Fishes
 Discuss Question
Answer: Option A. -> Soil, water and Air
Answer: (a).Soil, water and Air
Question 55. What is colorless, odorless, tasteless and cannot be felt ?
  1.    Water
  2.    Air
  3.    Gas
  4.    pollutants
 Discuss Question
Answer: Option B. -> Air
Answer: (b).Air
Question 56. Long-term objective of Convention of 'UNED' was to stabilize
  1.    Carbon dioxide
  2.    Nitrous Oxide
  3.    Nitrogen
  4.    Oxygen
 Discuss Question
Answer: Option A. -> Carbon dioxide
Answer: (a).Carbon dioxide
Question 57. United Nations Conference on Environment and Development held in
  1.    Canada
  2.    USA
  3.    Rio de Janeiro
  4.    Africa
 Discuss Question
Answer: Option C. -> Rio de Janeiro
Answer: (c).Rio de Janeiro
Question 58. Human activities are being responsible for
  1.    Greenhouse gas emission
  2.    Pollution
  3.    Producing waste
  4.    Carbon cycle
 Discuss Question
Answer: Option A. -> Greenhouse gas emission
Answer: (a).Greenhouse gas emission
Question 59. An average annual rate of sea level rise, approximately
  1.    1-2 mm
  2.    2-3mm
  3.    4-5mm
  4.    8-9mm
 Discuss Question
Answer: Option A. -> 1-2 mm
Answer: (a).1-2 mm
Question 60. 'MSU' stands for
  1.    Microorganism System Unit
  2.    Microsoft System Unit
  3.    Micro Sounding Unit
  4.    Microwave Sounding Unit
 Discuss Question
Answer: Option D. -> Microwave Sounding Unit
Answer: (d).Microwave Sounding Unit

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