Exam 28: Plant Form and Function

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From the outside of a tree to its center, which of the following is the correct order of appearance? 1. periderm 2) vascular cambium 3) sapwood 4) secondary phloem 5) cork cambium 6) heartwood

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In older stems and roots, a complex dermal tissue called ____ replaces the epidermis.

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Regions on a plant stem that can give rise to new shoots or roots are known as ____.

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Choose the one most appropriate answer for each.
palisade mesophyll
mass of rapidly dividing stem cells in the tip of a shoot or root
tracheid
provides metabolic support and transfer sugars into sieve elements
fiber
cell that conducts food from a photosynthetic source area to a storage sink area
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palisade mesophyll
mass of rapidly dividing stem cells in the tip of a shoot or root
tracheid
provides metabolic support and transfer sugars into sieve elements
fiber
cell that conducts food from a photosynthetic source area to a storage sink area
endodermis
gives rise to periderm
sieve tube
single layer of cells that separates the root cortex from the vascular cylinder
vascular bundle
embryonic leaf of a flowering plant
apical meristem
one type of dead cell that conducts water and lends structural support to plant parts
node
multistranded cluster of xylem, phloem, and sclerenchyma fibers running through a stem or leaf
cotyledon
long, tapered sclerenchyma cell occurring in a bundle that supports and protects vascular tissue in stems and leaves
companion cell
region on a stem that gives rise to new shoots or roots
cork cambium
the principal photosynthetic region of a leaf
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In an annual tree ring, the wood with large diameter, thin-walled xylem cells is ____.

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According to the pressure flow explanation of phloem transport, the source region - is most often the ____.

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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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The tissue found in the center of a root is ____.

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What tissues make up most of the soft internal parts of a plant?

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The main photosynthetic area of a leaf is ____.

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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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If you were to penetrate through the epidermal layer of a root, you would next encounter the ____.

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Most of the water moving into a leaf is lost through ____.

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During secondary growth of a plant,   ____ gives rise to wood and ____ gives rise to periderm.

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What are the modified stems of cacti called?

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With more than ____ species, flowering plants dominate the plant kingdom.

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What type of vascular tissue conducts water and dissolved minerals throughout the plant?

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Which of the following plant cells has a companion cell?

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Tissues on either sides of an apical meristem in a shoot develop into ____.

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What is responsible for creating the large holes in the sieve plates of phloem cells?

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