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Miscellaneous Biological & Medical Sciences
 Online Tutoring : Forum : Quiz Questions - Biological & Medical Sciences : Miscellaneous Biological & Medical Sciences
Topic Topic: Polluted lake water... Post ReplyNew Question
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Joined: 26 June 2005
Posts: 918
Posted: 17 November 2005 at 10:40am | IP Logged Quote System

The water in a lake which has been polluted by domestic wastes have                   than normal.

     I     higher Biochemical Oxygen Demand (BOD)
     II    fewer bacteria
     III  more dissolved oxygen
     IV   fewer fish
    A.   II, III and IV only
    B.   II and III only
    C.   I and IV only
    D.   I, II and IV only
 QUIZ QUESTION #1531 created by Guest on 15 November 2005 at 12:38pm

Correct answer: C    Correct clicks: 69.29%  Wrong clicks: 30.71%
    A.   [7 clicks 5.51%] 
    B.   [12 clicks 9.45%] 
    C.   [88 clicks 69.29%] 
    D.   [20 clicks 15.75%] 
Please discuss this quiz question.
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