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5 Written questions

5 Matching questions

  1. cork cambium
  2. cytokinin
  3. transpiration
  4. phloem sap
  5. collenchyma
  1. a the process by which evaporation at the leaf surface pulls water up the tree through xylem
  2. b any of a class of plant hormones that promote cell division and delay the senescence of leaves; affects growth of root system
  3. c a mixture of sugar, nutrients, and water that flows through phloem vessels in a plant
  4. d produces outer protective layer of the bark
  5. e plant cells with unevenly thickened primary cell walls that are alive at maturity and that function to support the growing stem

5 Multiple choice questions

  1. growth influence in plants by touch, i.e. vines curling around tree trunks
  2. Day with the most hours of sunlight and the fewest hours of darkness (June 22)
  3. plant that generally requires long nights-- 12 or more hours of darkness to begin the flowering process (fall, approaching winter)
  4. the solution of water and minerals that accumulates in the root xylem and flows through xylem vessels in a plant
  5. traditional plant cells with primary cell walls that are thin and flexible and that lack secondary cell walls

5 True/False questions

  1. cohesionrefers to the hydrogen-bonding between water molecules to make a chain of water from leaf to roots

          

  2. "source to sink"the flow of water into roots at roots hairs that builds up pressure, causing upward movement at night that is significant in smaller plants (eventually opposed by gravity)

          

  3. root pressurethe flow of water into roots at roots hairs that builds up pressure, causing upward movement at night that is significant in smaller plants (eventually opposed by gravity)

          

  4. translocationthe process by which evaporation at the leaf surface pulls water up the tree through xylem

          

  5. vascular bundlea unit strand of the vascular system in stems and leaves of higher plants consisting essentially of xylem and phloem; eventually separate as larger plants age and fuse as rings

          

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