M&e Mec 280: Exam #1

82 Questions | Total Attempts: 138

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Chemical Quizzes & Trivia

Questions and Answers
  • 1. 
    The definition of 'pollute' is to make unclean, impure, or corrupt, as well as... Which of the following does NOT belong?
    • A. 

      Desecrate

    • B. 

      Defile

    • C. 

      Regulate

    • D. 

      Dirty

  • 2. 
    In children, lead interferes with the development of the...
    • A. 

      Kidney

    • B. 

      Liver

    • C. 

      Heart

    • D. 

      Brain

  • 3. 
    In ecosystems, organisms are in deadly competition with each other for evolutionary survival.
    • A. 

      True

    • B. 

      False

  • 4. 
    Nearly all solutions to pollution problems are political.
    • A. 

      True

    • B. 

      False

  • 5. 
    Which of the following is not true about ecosystems?
    • A. 

      Vary in size

    • B. 

      Open system

    • C. 

      Weather connects all ecosystems

    • D. 

      Unlimited population size

  • 6. 
    Which of the following was the most deadly diseases during the year 1900?
    • A. 

      Coronary Disease

    • B. 

      Cancer Disease

    • C. 

      Asthma Disease

    • D. 

      Infectious Disease

  • 7. 
    An ecosystem is made up of organisms plus that part of the environment with which the organisms interact.
    • A. 

      True

    • B. 

      False

  • 8. 
    The term "organisms" in an ecosystem refer to....
    • A. 

      Animals

    • B. 

      Plants

    • C. 

      Microorganisms

    • D. 

      All of the above

  • 9. 
    The phenomenon in which two agents acting together create an effect greater than that predicted by knowing only the separate effect of the individual agent is known as...
    • A. 

      Bifurcation

    • B. 

      Carrying Capacity

    • C. 

      Synergism

    • D. 

      Antagonism

  • 10. 
    The phenomenon in which two agents acting together create an effect lesser than that predicted by knowing only the separate effect of the individual agent is known as...
    • A. 

      Bifurcation

    • B. 

      Carrying Capacity

    • C. 

      Synergism

    • D. 

      Antagonism

  • 11. 
    If TFR < 2.1 the population usually...
    • A. 

      Contracts

    • B. 

      Grows

  • 12. 
    One of the pollutants associated with the Owens Lake problem was...
    • A. 

      Mercury

    • B. 

      Smog

    • C. 

      Arsenic

    • D. 

      Lead

  • 13. 
    Archeological records indicate that the first homo sapiens appeared about...
    • A. 

      30 million years ago

    • B. 

      150 thousand years ago

    • C. 

      30 thousand years ago

    • D. 

      10 thousand years ago

  • 14. 
    The Industrial Revolution began in the early part of which century?
    • A. 

      16th

    • B. 

      17th

    • C. 

      18th

    • D. 

      19th

  • 15. 
    According to recent estimates the human carrying capacity of earth is...
    • A. 

      5 to 7 billion

    • B. 

      7 to 12 billion

    • C. 

      12 to 16 billion

    • D. 

      16 to 20 billion

  • 16. 
    When did human agriculture begin? (approximately)
    • A. 

      30,000 years ago

    • B. 

      20,000 years ago

    • C. 

      10,000 years ago

    • D. 

      1,000 years ago

  • 17. 
    During the agricultural period, diseases became more common by means of...
    • A. 

      Transmission

    • B. 

      Accumulated Wastes

    • C. 

      Diet Changes

    • D. 

      All of the above

  • 18. 
    When approximately was the homo habilis evolved?
    • A. 

      2.5 million years ago

    • B. 

      3 million years ago

    • C. 

      40,000 years ago

    • D. 

      250,000 years ago

  • 19. 
    Which among all species, is the least similar to modern humans?
    • A. 

      Homo Habilis

    • B. 

      Homo Erectus

    • C. 

      Cro Magnon

    • D. 

      None of the above

  • 20. 
    After about 25,000 years, the Cro Magnon numbers had increased to around...
    • A. 

      20 million

    • B. 

      10 million

    • C. 

      5 million

    • D. 

      3 million

  • 21. 
    Today the earth's human population is about...
    • A. 

      5 million

    • B. 

      500 million

    • C. 

      6 billion

    • D. 

      60 billion

  • 22. 
    Which of the following is a path that pollutants can take to enter the human body?
    • A. 

      Skin

    • B. 

      Alimentary Canal

    • C. 

      Respiratory System

    • D. 

      All of the above

  • 23. 
    In the United States, the incidence of asthma has .... since 1980.
    • A. 

      Doubled

    • B. 

      Tripled

    • C. 

      One and one-halved

    • D. 

      None of the above

  • 24. 
    What is/are the source(s) of uncertainty using animal studies i) use very high doses ii) use of different animals iii) use of small samples
    • A. 

      I only

    • B. 

      Ii only

    • C. 

      I, ii only

    • D. 

      I, iii only

    • E. 

      I, ii, iii

  • 25. 
    Which of the following is a primary pollutant emission from gasoline-fueled automobiles?
    • A. 

      NOx

    • B. 

      VHC

    • C. 

      CO

    • D. 

      All of the above

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