SCI 135 - First Exam Spring 2013


 Links in each number connect to the pertinent sections of the online book.





On the line to the left, place the letter of the choice that best  answers the question.

Three Points Each.                              NOTE:  "e" answers are never the correct answer.



                        1.   In experiments, an artifact is

_______                    a.  The established way of doing a procedure

                                 b.  How someone else would interpret your results

                                 c.  What is already known about the variable

                                 d.  A result produced by some part of the experimental process

                                 e.  Something we can say about a painting to look smart



2.   The “best” way to decide that two groups are different species is if they

a.  Can not produce offspring together

b.  Only produce sterile offspring

_______                c.  Will not breed together in their natural environment

         d.  All of these are considered equally good ways

e.  Never are friended with the other group



                        3.   The basic chemistry of living things is based on

_______                    a.  DNA                      b.  Proteins                            c.  Sugars

                                d.  Calories                                        e.  Slime



                        4.   Postmodernism can be used to address

_______                    a.   Experimenter bias                      b.  The best technology to use

                                 c.   Virus features                            d.  Atomic particles

                                                e.   Is a post really that modern?



                        5.   Eventually, in a typical food chain,

_______                    a.  Materials and energy get recycled

                                 b.  Energy gets recycled and materials get lost

                                 c.  Material gets recycled and energy gets lost

              d.  Materials and energy get lost

                                 e.  I just know that I’m hungry now



                        6.   Which is true of the null hypothesis?

_______                       a.  It is always being tested

                                    b.  It could be true in every case

                                    c.  If results favor it, the test can be redone

                                    d.  All of these

                                    e.  It’s just as dull as it is null 



7.   A double-blind trial requires hiding of information from which
                                                group in particular for the “double” label?

_______                    a.  Manufacturers of the materials

    b.  Patients taking the materials

    c.  Researchers that are running the tests

    d.  Statisticians that are analyzing the data from the tests

    e.  Whoever’s getting both eyes poked out



8.    The phrase ontogeny recapitulates phylogeny is about

_______                   a.  Embryos and evolution 

                                b.  Measuring the age of fossils

                                c.  How science spreads ideas

                                d.  How modern species relate to fossil species

    e.  About words nobody uses (or understands) anymore  



                        9.   Radioactivity is a product of the number of

_______                       a.  Neutrons                    b.  Protons                        c.  Electrons

                                    d.  Different particles for different types          e.  Beers



                        10.  Every living thing moves energy from basic “food” molecules to more

                                                usable fuel molecules in what process?

_______                        a.  Metabolism                      b.  Digestion              c.  Respiration

                                    d.  Responsion                      e.  Munching



11. A great many unrelated species have a wormlike form, great for

                        burrowing.  This is an example of

_______                       a.  Divergent evolution                                   b.  Convergent evolution

                                    c.  De-evolution                                            d.  Form matching

e.  The general ickiness of Nature



                        12.   An experiment should be repeated many times or use many subjects

_______                       a.  To reduce the impact of chance

                                    b.  To make it completely reproducible

                                    c.  To produce qualitative data

                                    d.  All of these

                                    e.  So the researchers don’t get lonely






Answer any eight of the following questions for 4 Points Each.

Note:  if you answer more than eight, only the first eight  will be corrected.

You can get partial credit on these answers.


1.    For Redi’s maggot experiments, what was the “problem” with the first trial?  Briefly explain why it was supposed to be a problem.



2.   Briefly explain how a DNA molecular clock is supposed to work.



3.  Put the following groups in order from the largest to the smallest:  Class, Family, Genus, Kingdom, Order, Phylum, Species, Subclass, Superorder.
1 4 7
2 5 8
3 6 9
4.    There are two common forms of experimental models.  What are they?


5.   What are the two first-level processes that shift environmental energy to chemical energy?


6.   Give two different reasons why science prefers quantitative data to qualitative data.

7.   Put in order so that each includes the one before it:  organ, cell, tissue.



8.   Animal remains that are most likely to become fossils are found where?



9.   The two different categories of indirect observations -


10.  Explain -  what is the placebo effect?




11.  If a species (single- or multi-celled) is colonial, what does that mean?  Explain.




12.  How was spontaneous generation supposed to work?  Give a general answer rather than a specific example.


13.  When discussing results of experiments -

What word

should not

 be used?

What word

should be

used instead?

14.  Some experiments can only be done as field study.  Give one reason why this might be.




15.  Briefly explain why peer review is such an important part of modern science.










Answer any four of the following questions for Eight Points Each.

Note:  if you answer more than four, only the first four will be corrected.

You can get partial credit on these answers.


1.   For four of the six basic Kingdoms of Life, give the name of the Kingdom and enough features to clearly set that Kingdom's members apart from those of the other five.






2.   Give two different rules that apply to each in binomial nomenclature -











3.    Give the following for sexual reproduction -





compared to asexual



compared to asexual



4.   Answer the following about classic Scientific Method:

Two features a good

hypothesis should have


Role served by the

experimental variable


Purpose of the control




5.    For viruses -
2 Features they have that are also found in all living things -  
2 Features all living things should have that viruses do NOT have -  


6.   All for the most common isotope –


How many






# 9

Column 7

How many



ion form?

How many

electrons? (Uncharged form)


7.   Put these in order so that each later level contains the earlier ones:  Community, Ecosystems, Individuals, Populations.



Link to Answer Key




Answer as many as you are able.  Wrong answers will not result in points being lost from the main exam.   You can get partial credit on these answers.


Why are most asexual reproducers very small?  Three Points.



What sort of “experiments” were in the book’s linked soup commercials?  Three Points.



What is the extra Ablind@ in a triple-blind test?  Three Points.



What used to be the common language of science?  Three Points.



When an anthropologist “discovered” many odd sexual practices in South Pacific islanders, what was really the explanation for those stories?  Three Points.




Linnaeus, the classification guy, had another area that he worked in extensively.  What was it?  Three Points.



What species name abbreviation is widely known?  Three Points.



Most prokaryotes can also be called what other common term?   Three Points.



For the Anewer@ version of the classification system, what level has been added (Three Points), and where does it go?  (Three Points)




What group is classified using the Kingdom-type system, but isn=t actually included in the system?  Three Points.



What important function is performed by neutrons?  Three Points.



SCI 135 

Michael McDarby


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