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5 Written questions

5 Matching questions

  1. lateral meristem
  2. collenchyma
  3. tracheids
  4. gravitotropism
  5. primary growth
  1. a increase in plant LENGTH
  2. b inclination to for plants to grow towards gravity
    -negative in shoots (upward growth)
    -positive in roots (downward growth)
  3. c a meristem that thickens the roots and shoots of woody plants, contributing to secondary growth i.e. vascular cambium and cork cambium
  4. d plant cells with unevenly thickened primary cell walls that are alive at maturity and that function to support the growing stem
  5. e Specialized cells to conduct water, key cells in xylem with vessel elements.

5 Multiple choice questions

  1. the process of moving sugars through phloem
  2. the woody part of plants: the supporting and water/nutrient-conducting tissue, consisting primarily of tracheids and vessels. dead cells at maturity, fused end to end with perforations between
  3. refers to the hydrogen-bonding between water molecules to make a chain of water from leaf to roots
  4. traditional plant cells with primary cell walls that are thin and flexible and that lack secondary cell walls
  5. plant that generally requires short nights-- less that 10-12 hours of darkness to begin the flowering process (spring, approaching summer)

5 True/False questions

  1. summer woodcharacterized by dark color due to densely packed xylem produced in the summertime

          

  2. annual ringsconsist of less densely packed, light-colored spring wood, alternating with densely packed, dark-colored summer wood (made of xylem- phloem always made new annually)

          

  3. hormonethe secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect i.e. auxin

          

  4. auxinplant hormone that diffuses down from the shoot tip meristem to stimulate cell growth and elongation

          

  5. water potentialDecember 22, when the sun is at its southernmost point

          

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