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MCQs

Total Questions : 335 | Page 11 of 34 pages
Question 101. What is a sediment of suspended matter?
  1.    Insoluble particles of soil and other solids
  2.    Soluble particles of soil and other solids
  3.    Insoluble particles of water
  4.    Soluble particles of water
 Discuss Question
Answer: Option A. -> Insoluble particles of soil and other solids
Answer: (a).Insoluble particles of soil and other solids
Question 102. Where we can find water soluble radioactive isotopes?
  1.    In radioactive reactor
  2.    In radioactive coolant
  3.    In radioactive shield
  4.    In radioactive waste
 Discuss Question
Answer: Option D. -> In radioactive waste
Answer: (d).In radioactive waste
Question 103. Why thermal pollution causing the release of hot water by power plants is dangerous?
  1.    They increase the solubility of oxygen
  2.    They decrease the solubility of oxygen
  3.    They don’t dissolve oxygen
  4.    They dissolve nitrogen
 Discuss Question
Answer: Option B. -> They decrease the solubility of oxygen
Answer: (b).They decrease the solubility of oxygen
Question 104. What is the main reason for thermal pollution?
  1.    Increase in the temperature of the ecosystem
  2.    Increase in the chemical contains in water
  3.    Hot water released by power plants and industries
  4.    Pollution causing by vehicles
 Discuss Question
Answer: Option C. -> Hot water released by power plants and industries
Answer: (c).Hot water released by power plants and industries
Question 105. How to minimize the pollution of water pollution due organic chemicals that release to water bodies?
  1.    To remove all the aquatic organisms from the water
  2.    To purify water manually after released to the water bodies
  3.    Purify the water before enter the water directly from industries
  4.    Leave the water bodies without using it
 Discuss Question
Answer: Option C. -> Purify the water before enter the water directly from industries
Answer: (c).Purify the water before enter the water directly from industries
Question 106. When did the air pollution on earth happened first time?
  1.    When humans started using tools
  2.    When humans started using firewood
  3.    When humans started using clothes
  4.    When humans started using wheels
 Discuss Question
Answer: Option B. -> When humans started using firewood
Answer: (b).When humans started using firewood
Question 107. What is the significance of black color moth in Europe during 19th century?
  1.    Indication of evolution
  2.    Indication of soil pollution
  3.    Indication of mutation
  4.    Indication of air pollution
 Discuss Question
Answer: Option D. -> Indication of air pollution
Answer: (d).Indication of air pollution
Question 108. Who made the first anti-pollution law?
  1.    Martin Luther King
  2.    Nelson Mandela
  3.    Queen Elizabeth
  4.    King Edward 1
 Discuss Question
Answer: Option D. -> King Edward 1
Answer: (d).King Edward 1
Question 109. Which was the first major disaster of air pollution?
  1.    New York smog
  2.    London smog
  3.    Paris smog
  4.    Delhi smog
 Discuss Question
Answer: Option B. -> London smog
Answer: (b).London smog
Question 110. What is the main cause of increase in air pollution in the 20th century?
  1.    Development of the transport system
  2.    Development of infrastructures
  3.    Development of electricity
  4.    Development of water resources
 Discuss Question
Answer: Option A. -> Development of the transport system
Answer: (a).Development of the transport system

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