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Unit 8: The Biosphere

Practice Test
      
  1.What kind of organisms are carnivores?  
  a.   decomposers  
  b.   producers  
  c.   primary consumers  
  d.   consumers  
  Hint    
      
  2.Modifying rice farming parctices to accommodate migratory waterfowl is an example of what?  
  a.   recycling  
  b.   composting  
  c.   sustainable aquaculture  
  d.   sustainable agriculture  
  Hint    
      
  3.What kind of sustainable activities can be used for newspapers?  
  a.   repairing  
  b.   planting  
  c.   recycling  
  d.   cultivating  
  Hint    
      
  4.If Earth were a village of 1000 people, which of the following groups would have the most representatives in the village?  
  a.   Asians  
  b.   Africans  
  c.   Europeans  
  d.   Americans  
  Hint    
      
  5.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.   Spanish  
  b.   English  
  c.   Arabic  
  d.   Mandarin Chinese  
  Hint    
      
  6.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.   four  
  b.   six  
  c.   two  
  d.   eight  
  Hint    
      
  7.What model is commonly used to illustrate energy levels at different trophic levels in an ecosystem?  
  a.   electromagnetic spectrum  
  b.   bar graph  
  c.   energy pyramid  
  d.   a table  
  Hint    
      
  8.What do we call the cultivation of fish, shrimp, and other organisms in water?  
  a.   apiculture  
  b.   agriculture  
  c.   horticulture  
  d.   aquaculture  
  Hint    
      
  9.What kind of sustainable activities can be used for waste cans and bottles?  
  a.   composting  
  b.   cultivating  
  c.   repairing  
  d.   recycling  
  Hint    
      
  10.What is the process by which land becomes too salty to grow crops?  
  a.   overpopulation  
  b.   extinction  
  c.   habitat destruction  
  d.   salinization  
  Hint    

 
   
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