Chapter 4 Quiz

Instructions
Take the chapter quiz.

This assessment is worth 100 points.

  1. Oparin suggested the theory of   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  2. All eukaryotes are thought of as descendents of   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  3. The only "origin of life on earth" theory or possibility that permits testable scientific hypotheses is   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  4. According to geochemists which of the following would have been an unlikely condition on the primitive earth?   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  5. Both in Miller-Urey experiments and subsequent experiments by others, it was shown that which of the following could be produced in simulated primitive earth conditions?   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  6. It has recently been discovered that enzyme-like catalysis can be carried out not only by enzymes but also by   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  7. The most primitive bacteria that exist today are   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  8. Oxygen concentration of 1% of 1 billion years ago increased to the present level of 21% because of photosynthetic activity of   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  9. Mutations occur in DNA, some of these mutations are beneficial, some are detrimental, and some can be neutral. For natural selection to act on these mutations in subsequent generations, these mutations have to   (10 points)

    a.  
    b.  
    c.  
    d.  
    e.  

  10. The "Bubble Theories" all propose that   (10 points)

    a.  
    b.  
    c.  
    d.  



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