Parts of Plants Quiz

Features	tissue/cell/structure
first plant structure to absorb water from soil
nonliving layer that reflects both heat and water; found on leaves and stems (but not roots!)
the portion of wood filled with dark oils, gums and resins
secondary stem growth strengthened by lignified xylem, surrounded by bark
plant cell in ground tissue with one thick cell wall that supports growing leaves and stems
a region of soft spongy parenchyma cells in herbaceous stems, found in the center of dicot stems; replaced by xylem in older trees
created by the vascular cambium and is functional when dead and unfilled
the phloem of ferns and pines is made up of this type of cell
use proton pumps to move sugars along cell walls near sieve tube cells
common name for all stem layers outside of the vascular cambium
most common and most versatile plant cell; has only one cell wall and is used for storage, secretion, growth (it is meristematic), photosynthesis and wound repair
column-shaped photosynthetic cells in leaves
general term for cells that transport carbohydrates
layer of cells created by the cork cambium, replaces epidermis in woody plants
lignified vascular cell that transports water and minerals
cell that secretes substances (often, insecticides) to the outside of the leaf
outside daughter cells of the vascular cambium become this layer
a ring of vascular cells where lateral roots grow out of

Features	tissue/cell/structure
regulatory vascular tissue that, in some monocots, concentrates carbon dioxide near RuBisCO
a layer of cells filled with wax and suberin, made to the outside of the cork cambium
vascular cell that actively transports carbohydrates in angiosperms
what surrounds the spongy mesophyll
meristematic tissue that gives rise to secondary xylem and secondary phloem (and more of itself)
meristematic tissue that gives rise to periderm and a wax-filled protective layer (and to more of itself)
short wide vascular cell with gaps in both cell walls; efficiently moves water and minerals in angiosperms
when these swell, stomata close
a layer for photosynthesis and storage found in herbaceous stems and roots
irregular photosynthetic cells in leaves, first to lose water via transpiration
a waxy ring that blocks apoplastic water movement
supporting cells of ground tissue with extremely thick cell walls and sometimes lignin
hole that is found in leaves to allow gas and water vapor exchange
ring of cells containing the Casparian strip
a term for the cluster of xylem and phloem in the center of roots
the portion of wood that is light-colored functional xylem
general term for cells that die at maturity in order to transport water and minerals
specialized companion cell (phloem) that 'feeds' starch to a seed

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