SC 139 - Third Exam 2007

 

Links on Numbers go to relevant passages in the online textbook.

MULTIPLE CHOICE.

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.  Plants couldn't make the move from water environments to land until

_______     a. Animals had made it first                                 b. They evolved a different form of photosynthesis
                  c. The continents stopped moving around            d. They established a relationship with certain funguses
                                    e. They had paid first month, last month, and a cleaning deposit



2.  When a ciliate with one micronucleus and one macronucleus needs to replace a worn-out macronucleus, it gets a new one by

_______     a. Fixing the old macronucleus                                            b. Changing the micronucleus into a macronucleus
                  c. Copying the micronucleus and changing a copy                d. Copying the macronucleus
                                                            e. Going to Macromanager.com


3.  Given a choice of equal-strength colored lights: red (longer wavelength), green (medium wavelength), and purple (shorter
                        wavelength), which should you choose as a plant light?

_______     a. Red                 b. Green                 c. Purple                 d. Sorry, only 3 choices
                                        e. So I'm reduced to begging for free bulbs-?



4.  Which are filter feeders?

_______     a. Sponges                 b. Tapeworms                 c. Hydras                d. Mosses                 e. Caffeine fiends



5.  People who have had Giardiasis (beaver fever) resist reinfection because

_______     a. They have become immune                 b. The parasites prevent it                c. The parasites leave the system
                  d. All of these                        e. It was just too much fun the first time - they couldn't stand that much fun again



6.  A spicule would be

_______     a. A female part of a flower                     b. An attachment device in a tapeworm
                  c. Giving structure to a sponge                d. A stinging cell in a jellyfish
                                e. Dangerous to say if someone's standing close



7.  Most of the obvious plants in the world are

_______     a. Really funguses                 b. Sporophytes                c. Gametophytes                 d. Not photosynthetic
                                            e. Hoping to train and become animals some day



8.  Pollen function originally combined features found in

_______     a. Xylem & stems                 b. Fruits & flowers                c. Xylem & spores
                  d. Cones & lichens                            e. Several popular plant catalogs



9. Which go through alternation of generations?

_______     a. Corals & ferns                 b. Trematodes & sponges                c. Tapeworms & amebas
                  d. Hydras & algae                                e. The ones that can't make up their ganglia



10.  Flowers with no color or odor probably

_______     a. Reproduce asexually                b. Spread pollen by wind                c. Don't reproduce until fruit are made
                  d. Produce spores                                        e. Would be very poor sellers



11.  Angiosperms get carbon dioxide through their

_______     a. Cuticle                 b. Stomates                 c. Xylem                 d. Phloem
                                e. Cousins, who know guys that can get them a deal



12.  The real danger from schistosome disease comes from the

_______     a. Larvae                 b. Adults                     c. Eggs                d. Transferred bacteria                 e. Medical bills



SHORT ANSWER.

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.  What are two clearly visible features of female pine cones that identify them as female?
2.  Define: intermediate host.



3.  For sori -
WHAT
ARE
THEY?		 WHERE
ARE THEY
FOUND?
4.  Give the basic process of photosynthesis. (materials can be spelled out - you don't need chemical symbols)



                                                                                                    ----------------->

                               Ingoing material or materials..... Energy Type ....Outgoing material or materials.

5.  What are the two basic-but-totally-different uses that plants get out of glucose / sugars?
6.  For nutrients that plants need that are not needed directly for photosynthesis -
Which
nutrient?		 How's it
used in the
plant?
7.  What is the basic purpose of any type of fruit?





8.  In general, at what stage are tapeworms most dangerous to hosts?



9.  What are two different processes that act to move water through plants?
10.  Name two different types of locations where the trees are much more likely to be gymnosperms than angiosperms.
 
11. Why are flatworms flat?



12.  How do auxin hormones work differently on -
STEM

CELLS

 ROOT

CELLS

13.  Tree rings are alternating light and dark rings. Around here, which season is most likely to give rise to
Dark rings?

 

 

 Light rings?
14.  Give two sets of differences between Cnidarian -
POLYP FORM MEDUSA FORM
 

 
 

 

  
15.  For animals, a critically important evolutionary step shows up in the flatworms.
WHAT
IS
IT?		 WHY IS
IT SO
IMPORTANT?



LONG ANSWER.

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. What are four structures or abilities that evolved in gymnosperms that were "new," not found in any of the earlier groups?
 
2. For the three major subgroups of flatworms, give what the group is called, and explain where one would most likely find specimens from that group.




3.  Give four different sets of differences between - (if some piece differs, be sure to say what piece and how they differ)
MONOCOTS DICOTS






4.  What are four different types of challenges that had to be eventually adapted to by organisms moving on to the land from watery environments?
 

 

 

 

 

 

 

 

5.  Give three sets of differences between -
CILIA FLAGELLA



 
6.  Give four sets of general differences between -
EGG CELLS SPERM
 

 
 

 

  
 

 

  
 

 

  
8.  What are four traits found in both sponges and Cnidarians, but rarely or never in other animals?



Link to Answer Key

BONUS QUESTIONS.

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.

In pretty much every probable cause of mass extinction, what major features change globally? (Other than organism populations) Two Points Each.



Food chains are producers, consumers, and what? Three Points.



What process is a lot like photosynthesis backwards? Three Points.



How can some very brightly-colored fish blend into dull surroundings? Three Points.




What "problem" of living on land was the last to be "solved" by both plants and animals? Three Points.




Which group do the ginkgoes belong to? Three Points.




What part of a tree is xylem, and what part is phloem? Two Points each.




If you get Primary Amebic Meningoencephalitis - PAM - from a pond ameba going up your nose, what can be medically done for you? Three Points.


Why exactly are pregnant women sometimes told to get rid of their cats? Three Points.




In what ways can jellyfish kill people? Two Points Each.




People sometimes die during surgery to remove bladder worms, but not from a normal surgical complication. What kills them? Three Points.

 

 		  
 
 
     

Michael McDarby.

 

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