Plant Transport
This quiz covers our lesson on plant transport of sugars and water.
- 1.Movement of water from the roots to the leaves is most affected by
- A.
Source-sink dynamics.
- B.
Osmotic potential in sieve tube members.
- C.
transpirational pull.
- D.
cell wall component tracheids.
- 2.Which of the following would result from placing a plant cell in a hypertonic environment?
- A.
The plant cell would become turgid from an influx of water.
- B.
Plasmolysis would occur.
- C.
There would be no net movement of water into or out of the plant cell.
- D.
The plant cell wall would burst due to the pressure of the environment.
- 3.The plant cells that most directly affect the rate of transpiration are
- A.
Sclerenchyma cells.
- B.
Parenchyma cells.
- C.
Sieve tube members.
- D.
Guard cells.
- 4.Water moves throughout a plant through
- A.
Phloem tissue.
- B.
Xylem tissue.
- C.
Cork cambium.
- D.
Casparian strip.
- 5.Which of the following cells types is dead at functional maturity?
- A.
Sieve-tube elements
- B.
Vessel elements
- C.
Guard cells
- D.
Collenchyma cells
- 6.Which of the following cell types is alive at maturity and provides sugars to a plant?
- A.
sieve-tube elements/members
- B.
Vessel elements
- C.
tracheids
- D.
Collenchyma cells
- 7.Which of the following is involved in the control of water movement into a plant?
- A.
cortex
- B.
Epidermis
- C.
Casparian strip
- D.
Apical meristem
- 8.Which of these is a mutualistic association of plant roots and fungi?
- A.
Mushrooms
- B.
Mycorrhizae
- C.
Lichens
- D.
Hyphae
- E.
Sporangia
- 9.Sugar movement through a plant is best described as going from a _____________ to a ______________.
- A.
Hypotonic environment; isotonic environment
- B.
Source; sink
- C.
Sink; source
- D.
Isotonic environment; hypertonic environment
- 10.The primary purpose of root hairs is to
- A.
Fight off infections.
- B.
Increase absorption of sugars.
- C.
Increase absorption of water.
- D.
Anchor the plant to the soil.
Questions: 15 | Attempts: 20922 | Last updated: Oct 7, 2020
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Sample QuestionWhich is NOT part of a plant?
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Sample QuestionThe structure that transports water up the stem:
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