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Unit 8: The Biosphere

Practice Test
  1.Of the three E's of Barbara Bramble's definition of sustainable development, which refers to improved agricultural and industrial development?  
  a.   environment  
  b.   ecology  
  c.   equity  
  d.   economy  
  2.Which of these is an example of a sustainable activity for used motor oil?  
  a.   cultivating  
  b.   composting  
  c.   repairing  
  d.   recycling  
  3.What kind of sustainable activities can be used for newspapers?  
  a.   repairing  
  b.   cultivating  
  c.   planting  
  d.   recycling  
  4.One kilogram of grain yields the least biomass when eaten by which of the following primary consumers?  
  a.   fish  
  b.   poultry  
  c.   hogs  
  d.   beef cattle  
  5.What group organized the Earth Summit held in 1992?  
  a.   European Union  
  b.   United States  
  c.   United Nations  
  d.   World Bank  
  6.What model is commonly used to illustrate energy levels at different trophic levels in an ecosystem?  
  a.   electromagnetic spectrum  
  b.   a table  
  c.   bar graph  
  d.   energy pyramid  
  7.People in India consume about 200 kilograms of grain per year per person. People in the United States consume about 800 kilograms of grain per year per person. How many Indian people can be supported by the amount of grain consumed by an American?  
  a.   six  
  b.   four  
  c.   eight  
  d.   two  
  8.If Earth were a village of 1000 people, which of the following languages would be spoken by the greatest number of people in the village?  
  a.   Mandarin Chinese  
  b.   Spanish  
  c.   Arabic  
  d.   English  
  9.What is the process by which land becomes too salty to grow crops?  
  a.   salinization  
  b.   extinction  
  c.   habitat destruction  
  d.   overpopulation  
  10.In what city was the first United Nations Conference on the Human Environment held in 1970?  
  a.   New York  
  b.   Washington, D.C.  
  c.   Stockholm  
  d.   Rio de Janeiro  

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