Review Test Submission: Practice Test 4: Ch 28 OPTIONAL
October 08, 2022
Essayheroes
5 out of 5 points
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Most of the water moving into a leaf is lost through ____. |
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| Selected Answer: |
d.
transpiration |
| Correct Answer: |
d.
transpiration |
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5 out of 5 points
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What tissue is found within a leaf vein? |
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| Selected Answer: |
c.
xylem |
| Correct Answer: |
c.
xylem |
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5 out of 5 points
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What compound diffuses through open stomata into plant tissues thereby initiating photosynthesis? |
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| Selected Answer: |
a.
carbon dioxide |
| Correct Answer: |
a.
carbon dioxide |
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5 out of 5 points
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Among the following substances contaminating Aberdeen Proving Ground in Maryland, which is an organic compound that damages the nervous system, liver, and lungs? |
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| Selected Answer: |
b.
trichloroethylene |
| Correct Answer: |
b.
trichloroethylene |
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5 out of 5 points
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Movement of soluble organic material through plants is known as ____. |
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| Selected Answer: |
a.
translocation |
| Correct Answer: |
a.
translocation |
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5 out of 5 points
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What complex polysaccharide imparts flexibility to the unevenly thickened cell walls of collenchyma cells? |
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| Selected Answer: |
a.
pectin |
| Correct Answer: |
a.
pectin |
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5 out of 5 points
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The “eyes” of a potato are ____. |
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| Selected Answer: |
b.
nodes |
| Correct Answer: |
b.
nodes |
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0 out of 5 points
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Which substance forces water to enter endodermal cells in the root, rather than going around them? |
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| Selected Answer: |
d.
starch |
| Correct Answer: |
b.
lignin |
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5 out of 5 points
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Which of the following cells are alive at maturity? |
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| Selected Answer: |
e.
sieve tube members |
| Correct Answer: |
e.
sieve tube members |
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5 out of 5 points
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In a shoot, where is the apical meristem located? |
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| Selected Answer: |
e.
in the terminal bud |
| Correct Answer: |
e.
in the terminal bud |
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5 out of 5 points
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Which of the following plant cells has a companion cell? |
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| Selected Answer: |
b.
sieve elements |
| Correct Answer: |
b.
sieve elements |
| Selected Answer: |
b.
sieve elements |
| Correct Answer: |
b.
sieve elements |
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5 out of 5 points
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What structures allow water to move laterally and vertically through xylem cells? |
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| Selected Answer: |
c.
pits in the cell walls |
| Correct Answer: |
c.
pits in the cell walls |
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5 out of 5 points
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The stalk that supports the individual eudicot leaf is the ____. |
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| Selected Answer: |
a.
petiole |
| Correct Answer: |
a.
petiole |
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5 out of 5 points
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According to the pressure flow explanation of phloem transport, the source region – is most often the ____. |
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| Selected Answer: |
b.
leaf |
| Correct Answer: |
b.
leaf |
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5 out of 5 points
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Annual growth rings are formed in woody stems principally through the activities of the ____. |
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| Selected Answer: |
b.
vascular cambium |
| Correct Answer: |
b.
vascular cambium |
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5 out of 5 points
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What is another term for periderm and all other living dead tissues outside the cylinder of vascular cambium? |
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| Selected Answer: |
a.
bark |
| Correct Answer: |
a.
bark |
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5 out of 5 points
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Stomata ____. |
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| Selected Answer: |
c.
allow the movement of gases into and out of plants |
| Correct Answer: |
c.
allow the movement of gases into and out of plants |
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5 out of 5 points
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The veins of leaves are used for ____. |
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| Selected Answer: |
b.
transport of water and nutrients |
| Correct Answer: |
b.
transport of water and nutrients |
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5 out of 5 points
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Which theory of water transport states that hydrogen bonding allows water molecules to maintain a continuous fluid column as water is pulled from roots to leaves? |
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| Selected Answer: |
b.
cohesion–tension |
| Correct Answer: |
b.
cohesion–tension |
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0 out of 5 points
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What is responsible for creating the large holes in the sieve plates of phloem cells? |
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| Selected Answer: |
a.
translocation of organic molecules |
| Correct Answer: |
c.
enlargement of plasmodesmata |
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