Biol 1401 Quiz 4 Answers

Biol 1401 Quiz 4 Answers - will initially move out of the...

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Biol 1401, 001 Quiz #4, February 19, 2010 Answers 1. A movement of a substance that occurs from a region of higher to one of lower chemical potential energy for the substance would be a (a) spontaneous (b) non-spontaneous. .. movement. (1 pt) 2. The factor that determines the major difference in water potential energy ( Ψ ) for water at the top and bottom of a waterfall is gravity . (1 pt) 3. In plants, water movement can be both spontaneous and non-spontaneous. (a) True (b) False (1 pt) 4. You place a plant cell into pure water. (a) Water will initially move into the cell (b) Water
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Unformatted text preview: will initially move out of the cell (c) The wall pressure of the cell will decrease with time. (2 pts) 5. If leaf cells had no wall pressure on the cell water and no water pressure on the cell wall, the leaf would be wilted . (1 pt) 6. For water to move into the plant via the roots, the Ψ of the plant water must be lower than that of the soil water. (a) True (b) False (2 pts) 7. If you put a large amount of fertilizer in the pot containing a plant, what do you do to the Ψ of the water in the soil? (2 pts) You would lower the Ψ of the soil water....
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This note was uploaded on 11/09/2010 for the course BIOL 1401 taught by Professor Holaday during the Spring '08 term at Texas Tech.

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