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5 Written questions

5 Matching questions

  1. Phytoremediation
  2. annuals
  3. Guard cells
  4. Short-day (long-night) plants
  5. Gametophyte
  1. a A specialized epidermal cell in plants that regulates the size of a stoma, allowing gas exchange between the surrounding air and the photosynthetic cells in the leaf
  2. b The multicellular haploid form in the life cycle of organisms undergoing alternation of generations; mitotically produces haploid gametes that unite and grow into the sporophyte generation
  3. c - Need a long continuous (14 hrs) dark period to flower
    - Will not flower if dark period is interrupted by even a brief flash of light
    - Not affect if daytime period is broken by a brief exposure to darkness
    - Flower in early spring, late summer, fall
    - Ex. Tulips, daffodils, forsythia, chrysanthemums
  4. d A plant that completes its life cycle in a single year or growing season.
  5. e one type of bioremediation, the use of living organisms to detoxify polluted sites

5 Multiple choice questions

  1. 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.
  2. Light-colored, water-conducting secondary xylem in a tree
  3. contains all the essential amino acids, rich in antioxidants and fiber, low in fat, lowers LDLs and triglycerides while maintaining HDLs.
  4. A plant that completes its life cycle in two years
  5. zone of cell division, zone of elongation, and the zone of maturation.

5 True/False questions

  1. Essential macronutrientsnine of them; 6 of them: carbon, oxygen, hydrogen, nitrogen, sulfur, and phosphorous are the major ingredients of organic compounds forming the structure of the plant. These six make up almost 98% of a plant's dry weight. The other 3, potassium, calcium, and magnesium, make up 1.5%.


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


  3. Structure producing pollen grainsanthers


  4. Monocot characteristics- 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.


  5. LichenA 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.