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5 Written Questions

5 Matching Questions

  1. translocation
  2. short-day plant
  3. sclerenchyma
  4. abscisic acid
  5. xylem sap
  1. a stimulates stomata closure (i.e. during droughts)
  2. b plant cells with very thick primary and secondary cell walls fortified with lignin
  3. c the solution of water and minerals that accumulates in the root xylem and flows through xylem vessels in a plant
  4. d plant that generally requires long nights-- 12 or more hours of darkness to begin the flowering process (fall, approaching winter)
  5. e the process of moving sugars through phloem

5 Multiple Choice Questions

  1. refers to the bonding of water to xylem walls (xylem=polysaccharide of glucose)
  2. a mixture of sugar, nutrients, and water that flows through phloem vessels in a plant
  3. Light receptor pigment in photoperiodism. Pr (red-light absorbing) vs Pfr (infrared light absorbing) In short-day plants, it stops flowering but in long-day plants it induces flowering
  4. Structures that, along with tracheids, make up xylem
  5. growth influence in plants by touch, i.e. vines curling around tree trunks

5 True/False Questions

  1. photoperiodisma plant's response to seasonal changes in length of night and day

          

  2. long-day plantplant that generally requires long nights-- 12 or more hours of darkness to begin the flowering process (fall, approaching winter)

          

  3. "source to sink"phloem moves sugars from where they are made to where they are needed. This can be referred to as movement from ______ to _______

          

  4. cohesion-tension theorytheory that explains how the physical properties of water allow it to move through the xylem of plants due to evaporation

          

  5. tracheidsrefers to the bonding of water to xylem walls (xylem=polysaccharide of glucose)

          

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