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5 Written Questions

5 Matching Questions

  1. phototropism
  2. heartwood
  3. collenchyma
  4. root pressure
  5. parenchyma
  1. a traditional plant cells with primary cell walls that are thin and flexible and that lack secondary cell walls
  2. b 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. c the dead in center of a tree
  4. d tendency of plants to grow toward a source of light b/c of the movement of auxin to the opposing side of the plant, giving that side more nutrients to grow and lean in
  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. phloem moves sugars from where they are made to where they are needed. This can be referred to as movement from ______ to _______
  2. embryonic plant tissue in the tips of roots and in the buds of shoots that supplies cells for the plant to grow in length
  3. consist of less densely packed, light-colored spring wood, alternating with densely packed, dark-colored summer wood (made of xylem- phloem always made new annually)
  4. the solution of water and minerals that accumulates in the root xylem and flows through xylem vessels in a plant
  5. a meristem that thickens the roots and shoots of woody plants, contributing to secondary growth i.e. vascular cambium and cork cambium

5 True/False Questions

  1. thigmotropismgrowth influence in plants by touch, i.e. vines curling around tree trunks

          

  2. photoperiodismtendency of plants to grow toward a source of light b/c of the movement of auxin to the opposing side of the plant, giving that side more nutrients to grow and lean in

          

  3. vascular bundleproduces new xylem and phloem in stems

          

  4. secondary growthincrease in plant LENGTH

          

  5. sclerenchymaplant cells with very thick primary and secondary cell walls fortified with lignin

          

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