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SC 139 - Third Exam 2006
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. 1. Each annual tree ring is made up of a ___B___
a. Good-growth dark ring and a poor-growth light ring
...good growth produces big cells, well-spaced; poor growth produces
packed
2. Which would not have "true" roots? ___A___
a. Moss and fern
b. Fern and pine
c. Pine and maple ...the two most primitive plants paired together.
3. Water loss can be reduced with ___D___
a. Root hairs and leaf spaces
b. Cuticle and open stomates ...Cuticle waterproofs, and stomate pores will lose water unless closed.
4. Which would have a mesoderm? ___A___
a. Tapeworm
b. Jellyfish
c. Sponge ...It's a feature that first shows up in this group.
5. Plants use glucose for ___A___
a. Energy and structure
b. Structure and photosynthesis ...Broken down in respiration for energy; assembled into starches for structure.
6. The presence of sori is an indication that a plant ___C___
a. Will soon produce a flower
b. Is about to germinate ...they are the spore-making packets on the undersides of the leaves.
7. In order to be an effective pollinator, a bee needs to make contact with ___C___
a. Both types of flowers
b. Both types of cones ...it has to pick up pollen from the male parts, then transfer it to the female parts.
8. Which are sessile? ___B___
a. Ameba and medusa
b. Sponge and coral ...it means they generally wouldn't move around.
9. In algae, color is often an indicator of ___A___
a. Depth
b. Pollinators
c. Fruit type
...none of the others even apply to algae, which carry different pigments suited
10. Chlorophyll absorbs frequencies best in which ranges? ___C___
a. Yellow and green
b. Blue and green
c. Purple and red
...it reflects green, so then you have to choose from the remaining two -
11. Much of the damage caused by schistosomes comes from ___A___
a. The eggs
b. The larvae
c. The host’s allergic reaction ...the ones that get into circulation tear things up with their spines.
12. Ameboid cells help most in which process? ___D___
a. Movement
b. Reproduction
c. Sensing
...they replace lost and damaged cells, moving into their spots and changing
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.
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.
NO Key for 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-
What does diffusion mean? Three Points.
These term parts come from Latin words. For Three Points each, give the "translations" -
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.
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