Biology 172 Quiz 7

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tulipyoursweety
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246214
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Biology 172 Quiz 7
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2013-11-10 21:53:56
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Biology 172 plant structure growth quiz exam
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Biology 172 Quiz 7: Plant Structure and Growth
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  1. least specialized cell type with a large central vacuole; makes up most of the ground tissues of the plant; may function in photosynthesis and/or the storage of photosynthetic products; generally alive at functional maturity
    parenchyma
  2. cells aligned end-to-end, forming long micropipes for the transport of water and minerals (xylem); dead at functional maturity
    vessel elements
  3. elongated cells with tapered ends; secondary cell walls strengthened with lignin; forms part of the xylem; dead at functional maturity
    tracheids
  4. have secondary cell walls strengthened with lignin; rigid cells that provide support, protection, and/or strength to tissues; often dead at functional maturity
    sclerenchyma
  5. living cells arranged end-to-end to form food- conducting tubes of the phloem; mature cells lack nuclei and other cells, but are alive at functional maturity; cytoplasm of adjacent cells connected through sieve plates
    sieve-tube members
  6. possesses thickened primary cell walls, but no secondary cell walls; provides support without being constrained in growth; generally alive at functional maturity
    collenchyma
  7. Additional vascular tissue produced as secondary growth in a root originates from which cells?
    vascular cambium
  8. An evolutionary adaptation that increases exposure of a plant to light in a dense forest is
    apical dominance.
  9. Axillary buds:
    A.do not form a vascular connection with the primary shoot.
    B.are composed of a series of internodes lacking nodes. 
    C.are initiated by the cork cambium. 
    D.develop from meristematic cells left by the apical meristem. 
    E.grow immediately into shoot branches.
    D.develop from meristematic cells left by the apical meristem.
    (this multiple choice question has been scrambled)
  10. Land plants are composed of all the following tissue types except:
    A.epidermal. 
    B.mesodermal. 
    C.ground tissue. 
    D.meristematic.
    E.vascular.
    B.mesodermal.
    (this multiple choice question has been scrambled)
  11. Monocot roots may be distinguished from dicot roots because monocots have
    a pith of parenchyma cells
  12. In most terrestrial plants, the highest density of stomata are found on the
    lower epidermis of a leaf
  13. Primary xylem and phloem are formed from the
    procambium
  14. The bark of a woody dicot stem is composed of:
    A.secondary phloem 
    B.cork cambium
    C.cork 
    D.all of these
    E.cortex 
    D.all of these
    (this multiple choice question has been scrambled)
  15. Which tissue, among those listed below, is the most medially (=toward the center) distributed?
    A.phloem 
    B.cortex 
    C.bark 
    D.epidermis
    E.xylem
    xylem

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