SC 139 - Third Exam 2006

Links on Numbers go to relevant passages in the online textbook.
 Unlinked numbers may be purely from the notes or connect to more than one piece of information.

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.  Each annual tree ring is made up of a

_______           a. Good-growth dark ring and a poor-growth light ring
                        b. Poor-growth dark ring and good-growth light ring
                        c. A xylem ring and a phloem ring
                        d. A bark remnant and a growth ring
                        e. Engagement ring and a wedding ring

 

2. Which would not have "true" roots?

_______           a. Moss and fern             b. Fern and pine            c. Pine and maple
                        d. Maple and moss                e. So what, they have root "knock-offs"?

 

3. Water loss can be reduced with

_______           a. Root hairs and leaf spaces                      b. Cuticle and open stomates
                        c. Fewer branches and leaf spaces             d. Cuticle and closed stomates
                        e. A switch to pure alcohol - for medicinal purposes only, of course

 

4.  Which would have a mesoderm?

_______           a. Tapeworm                     b. Jellyfish                     c. Sponge
                        d. Ameba                                 e. Isn’t that a lotion-?

 

5.  Plants use glucose for

_______           a. Energy and structure                      b. Structure and photosynthesis
                        c. Structure and reproduction             d. Energy and reproduction
                                    e. A good time, but they never call afterwards

 

6.  The presence of sori is an indication that a plant

_______           a. Will soon produce a flower                 b. Is about to germinate
                        c. Is a true fern                                     d. Will soon "open" its cones
                                e. Needs to be a bit more careful when partnering up

 

7.  In order to be an effective pollinator, a bee needs to make contact with

_______           a. Both types of flowers                     b. Both types of cones
                        c. A stamen, then a pistil                    d. A pistil, then a stamen
                                    e. A good training and placement service

 

8. Which are sessile?

_______           a. Ameba and medusa                         b. Sponge and coral
                        c. Hydra and medusa                         d. Ciliate and flagellate
                        e. What they do in the privacy of their own habitat is their business

 

9.  In algae, color is often an indicator of

_______           a. Depth                     b. Pollinators                     c. Fruit type
                        d. All of these                         e. Fashion season

 

10.  Chlorophyll absorbs frequencies best in which ranges?

_______           a. Yellow and green             b. Blue and green             c. Purple and red
                        d. Red and Orange                         e. Planty and not-planty

 

11.  Much of the damage caused by schistosomes comes from

_______           a. The eggs             b. The larvae             c. The host’s allergic reaction
                        d. The adults                    e. People trying to pronounce them

 

12.  Ameboid cells help most in which process?

_______           a. Movement                     b. Reproduction                     c. Sensing
                        d. Repair                                     e. Ickyness

 

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 is typically being carried in -
PHLOEM -

 

 XYLEM -
2.  What does cephalization mean?

 

 
3. What unique cell type is found in each (but not both)?
Sponges

 

 Cnidarians
4.  Why are flatworms flat?
5.  Name two different types of locations where the trees are much more likely to be gymnosperms than angiosperms.
 

 
6.  Briefly explain what the term pioneer organism means.

 

 
7.  What is the basic purpose of any type of fruit?

 

 
8.  What does it mean if a species is "free-living"?

 

 
9.  For a typical pine tree, give two sets of differences that would be obvious to someone standing nearby -

MALE
CONES

  

FEMALE
CONES

 
10.  Give a basic major function of each -
MACRONUCLEUS

 

 MICRONUCLEUS
11.  What two pre-existing abilities were somewhat combined to evolve pollen?
 

 
12.  What are two major subgroups of the flatworms?
 

 
13.  Give the basic process of photosynthesis. (materials can be spelled out - you don’t need chemical symbols)
 

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

Ingoing material or materials........Energy...........Outgoing material or materials.
14.  What are two completely different uses that plants have for carotenoids?
 

 
15.  What are the four subgroups of the protozoa?
 

 

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.  Give three sets of differences between -

CILIA

FLAGELLA
 

 
 

 
 

 

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

MONOCOTS

DICOTS
 

 
 

 
 

 
 

 

3. Many groups use alternation of generations, but there are three different basic reasons for the process. What are those different reasons?
 

 
 

 
 

 

4.  Give the important steps of a fern’s life cycle. Include the names of the 2 main forms and the types of reproduction used. The lines below are not meant to correspond to the number of steps - it’s like a bit of lined paper.

 

 

 

 

 

 

5.  Give four sets of general differences between -

EGG CELLS

SPERM

 

 

 

   

  

  

  

6.  Plants require nutrients other than those used directly in photosynthesis. Give two different examples of these sorts of nutrients, and for each tell something that the plant uses that nutrient for.

 

 
 

 

 

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.

The growth of algae in many open ocean areas seems to be limited by the low level of which mineral? Three Points.

 

 

Plants produce two types of starches. For Three Points Each, give a purpose for which they make-

Very

STABLE

starches

Less

stable

starches

What does diffusion mean? Three Points.

 

These term parts come from Latin words. For Three Points each, give the "translations" -

Rhiz-

-Phyte

-Zoa

Why, exactly, does peeling a strip of bark all the way around a tree cause the tree to eventually die? Three Points.

 

People who have had beaver fever usually don’t get it again for a while. For Three Points, why?

 

Researchers who study malaria use what sort of animals in their labs? Three Points.

 

For Two Points Each, what sorts of materials can spicules be made out of?

 

In general, why would a parasite alter the behavior of an intermediate host? Three Points.

 

What condition is linked to local schistosomes? Three Points.

 
     

 

Michael McDarby.

 

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