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Plant Unit Test Test

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5 Written Questions

5 Matching Questions

  1. Zoopharmacognosy
  2. Biological clock
  3. Monocot characteristics
  4. Apical dominance
  5. Lichen
  1. a In a plant, the hormonal inhibition of axillary buds by a terminal bud. Concentrating resources on growing taller, it is an evolutionary adaptation that increases the plant's exposure to light.
  2. b - A flowering plant whose embryos have a single seed leaf, or cotyledon; parallel veins; vascular bundles are scattered; petals in multiples of 3; fibrous root system.
  3. c An internal timekeeper that controls an organism's biological rhythms; marks time with or without environmental cues, but often requires signals from the environment to remain tuned to an appropriate period.
  4. d A close association between a fungus and an alga or between a fungus and a cyanobacterium, some of which are known to be beneficial to both partners.
  5. e A study of how animals medicate themselves with plants

5 Multiple Choice Questions

  1. An organism that has acquired one or more genes by artificial means. If the gene is from another species, the organism is also known as a transgenic organism; little genetic variability; monocultures; wiped out by one disease.
  2. - Flowering occurs when the night length is less (10hrs)
    - A dark interval that is too long will not produce flowers
    - Flowering can be induced by a flash of light during the night
    - Flower in the summer
    - Ex. Potatoes, corn, marigolds, geraniums, begonias
  3. seed
  4. A meristem at the tip of a plant root or in the terminal or axillary bud of a shoot.
  5. - In the center of trees, the darkened, older layers of secondary xylem made up of cells that no longer transport water and are clogged with resins.

5 True/False Questions

  1. stigmaThe sticky tip of a flower's carpel, which traps pollen grains

          

  2. Function of ethylenePromotes fruit ripening

          

  3. xylemThe portion of a plants vascular tissue system that conveys phloem sap throughout a plant. Phloem tissue is made up of sieve-tube members. LIVING CELLS MOVES SUGARS UP AND DOWN

          

  4. Soil conservation methodswater is pulled up the xylem as water evaporates from leaves due to adhesion and cohesion.

          

  5. plants first line of defenseepidermis

          

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