SC 139 - Third Exam 2003

 

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. At higher altitudes or latitudes, there should be

_______      a. More angiosperms and fewer gymnosperms
                        b. More gymnosperms and fewer mosses
                        c. More gymnosperms and fewer angiosperms
                        d. No predictable change in plant ratios
                        e. More bars and churches

 

2. A sporophyte is typically

_______      a. A sexual plant structure                 b. A type of protozoan
                        c. An asexual plant structure              d. A type of Cnidarian
                                e. The most self-centered of the biological terms

 

3. The main function of plant cuticle is to

_______      a. Gather light             b. Physically protect        c. Distribute materials
                    d. Reduce water loss            e. Give plant nail stylists something to do

 

4. Which color / frequency of light are absorbed and used by chlorophyll?

_______      a. Green         b. Ultra-violet         c. Purple        d. All of them         e. The pretty one

 

5. Alternation of generations with different sorts of hosts occurs in

_______      a. Amebas & tapeworms                          b. Apicomplexans & flukes
                    c. Corals & mosses                                 d. Sponges & ferns
                                                e. Only the most bizarre frat parties

 

6. Schistosomes cause the most dangerous symptoms when

_______      a. They invade the body
                        b. They allow infections to get into the tissues
                        c. When their eggs circulate
                        d. When their eggs pass into the organs next to the adults
                        e. They decide that they need better medical benefits.

 

7. The body cavity of a roundworm acts somewhat as which systems?

_______      a. Skeletal & Circulation                   b. Digestive & Hormonal
                        c. Reproductive & Digestive             d. Muscular & Nervous
                                                            e. Icky & Squicky

 

8. Which would be nonvascular?

_______      a. Pine         b. Fern         c. Rose        d. Moss         e. Something with no...vasks...

 

9. There is usually a connection between an algae’s color and

_______      a. Which ocean it grows in                     b. What depth it grows best at
                        c. The sorts of roots it has                     d. Where it moved onto land
                                            e. Whether it accents your furniture

 

10. What is the primary advantage flatworms get from being flat?

________      a. Sensory                     b. Protection                     c. Size  
                      d. Better digestion                 e. Weight Watchers endorsements

 

11. Herbaceous stems

_______      a. Have no xylem         b. Grow in ring patterns        c. Can photosynthesize 
                    d. Have no phloem                        e. Are some weird slang for thin legs

 

12. Which is a female part of a flower?

_______      a. Pistil         b. Stomate        c. Petal         d. Stamen        e. The girly bits

 

 

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 the two basic-but-totally-different uses that plants get out of glucose / sugars?

 

 

2. Briefly explain how a tree ring is formed. (How does the pattern arise?)

 

 

3. In organisms with genders, what are two different ways that gender can be produced?

 

 

4. What are two clearly visible features of female pine cones that identify them as female?

 

 

5. Lichens are a combination of what two types of organisms?

 

 

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

 

 

7. Answer for the caduceus -

What is it
today?

What was it
in the past?
(Be somewhat specific!)

8. Give the basic process of photosynthesis, including raw materials, products, and energy involved. You can use chemical / elemental symbols or write the words

 

 

9. Give the basic function of the -

MACRONUCLEUS

 

MICRONUCLEUS

10. What are two specific things generally carried in phloem?

 

 

11. What are two different plant features whose evolution is more based on coevolution?

 

 

12. What are two different uses for carotenoids?

 

 

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

 

 

14. Briefly explain what the term pioneer organism means.

 

 

15. How do auxin hormones work differently on -

STEM

CELLS

ROOT

CELLS

 

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 four sets of differences between the groups below. If a difference applies to some sort of part, be sure to tell what part!

MONOCOT

DICOT

 

 

 

 

 

 

 

 

2. Step-by-step, what is the life cycle of a typical fern? (NOTE: Depending upon how you describe them, there may be more or fewer steps than the lines below.)

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

4. What are four different happenings that are thought might bring about mass extinctions?

 

 

 

 

5. Name and then describe two different processes that help water move up a plant.
 

 

 

 

6. Give three sets of differences between -

SPERM

EGG CELLS

 

 

 

 

 

 

 

7. Step-by-step, follow the progress from sperm production to seed production in a typical pine tree. (There may be more or fewer steps than lines here.)

 

 

 

 

 

 

 

 

 

 

 

 

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.

What Kingdoms include species that can photosynthesize? Two Points for each right answer, but you can lose those two points for a wrong answer.

 

 

For Three Points, give one fact about ginkgoes.

 

 

How do plants point their leaves toward a light source? Three Points.

 

 

Most plant-derived recreational drugs are based on chemicals that serve what function in the plants? Three Points.

 

 

Why are people who live in areas where beaver fever is common usually able to drink the contaminated water and NOT get sick? Three Points.

 

 

What ways can a jellyfish cause the death of a human? Three Points each.

 

 

What causes swimmer’s itch? Three Points.

 

 

How do sheep tapeworms increase their chances to get into sheep? Three Points.

 

 

Dracunculus are mentioned in the Bible, but what sort of animal are they called? Three Points.


 
     

 

Michael McDarby.

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