Biology

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Author:
lostdrewbie
ID:
16959
Filename:
Biology
Updated:
2010-05-01 00:17:52
Tags:
Bio
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Description:
Biology Final
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  1. Four of the five answers listed below are part of a common region of the plant body. Select the exception.

    a. Leaf
    b. Root cap
    c. Node
    d. Axillary bud
    e. Stem
    c. Node
  2. The reason that you observed red light emitted from the chlorophyll soulution extracted with acetone is that. . .
    a. The proteins that grab onto the excited electrons have been separated from the thylakoid membrane
    b. The acetone breaks the chlorophyll molecule down so that its electrons are not excited to higher energy levels
    c. Carbon dioxide is no longer entering the cells
    d. The chlorophyll begins to reflect red light rather than gree.
    a. The proteins that grab onto the excited electrons have been separtated from the thylakoid membrane
  3. Which of the following is true regarding transpiration and control of water loss in plants?

    a. Stomata are closed when guard cells are filled with water
    b. Phloem tissue transports water from the roots to the leaves
    c. Stomata function to let water in and carbon dioxide out
    d. There are typically more stomata on the top of the leaf as compared to the bottom
    e. Oxygen and water exit into the atmosphere via stomata
    e. Oxygen and water exit into the atmosphere via stomata
  4. After conducting the predation lab you conduct a T-test and calculate a T value of 1.72. The chart value for comparison is 2.06. Using this information you determine that

    a. The bluegill fish preferred large shrimp
    b. The bluegill fish had no preferrence for shrimp based on size
    c. The bluegill fish only ate female shrimp
    d. The bluegill fish was not hungry
    e. The experiment was not successful
    b. The bluegill fish had no preferrence for shrimp based on size
  5. 13-year and 17-year cicadas are reproductively isolated by

    A. Time
    B. Behavior
    C. Space
    D. Ecology
    A. Time
    (this multiple choice question has been scrambled)

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