Test 3 Alden

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Author:
Anonymous
ID:
12736
Filename:
Test 3 Alden
Updated:
2010-03-31 21:07:52
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Biology Plants
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Plants
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  1. Sand (good quality sharp) is added to soil to
    increase aeration
  2. A plant that minimizes transpiration will have leaves that are ___________in size
    and ___________oriented.
    small, vertically
  3. When organic matter is added to soil, its N is converted by the process of mineralization to which N
    form?
    ammonium
  4. is a magnesium (Mg) fertilizer.
    Epsom salt
  5. to saline, sodic, or saline-sodic soils promotes good soil structure, drainage, and Na leaching.
    gypsum
  6. ___________________ is the amount of water the soil can hold against the force of gravity.
    field capacity
  7. Coir is an organic growing medium amendment and is a product of the ________________
    industry.
    coconut
  8. ___________________is a blue-green algae that can fix N and may form a symbiotic relationship with
    Azolla or Cycad.
    Anabaena
  9. ___________________ water occurs in large soil pores immediately following a rain, it drains from
    the soil within 24 hrs.
    gravitational
  10. _________________________ is the process that converts nitrogen gas to ammonium.
    nitrogen fixation
  11. _____________ is the outer weathered layer of the earth's crust.
    soil
  12. If one wanted to make a garden soil flocculate, and therefore have better
    structure, ________________should be added.
    Ca
  13. Clay
    is composed of _______________, which are flat, sheet-like plates laminated into stacks.
    micelles
  14. All limes are also _____ fertilizers.
    Ca
  15. Acid
    soils occur primarily in areas of ________________________.
    high precipitation
  16. A ___________ soil contains 20-65% organic matter.
    muck
  17. _____________ irrigation is an outdoor surface irrigation system used for row crops.
    furrow
  18. Nitrogen (N) is used by the plant as a component of ______________ and_________________.
    chlorophyll and nucleic acids
  19. Bagasse is an organic growing medium amendment and is a product of the ________________
    industry.
    sugarcane
  20. _____________is a chemical bond that occurs between water molecules and partially explains why
    a column of water can be pulled up the xylem of stems during translocation.
    H-bond
  21. ____________________________ is when a plant wilts, but can recover when placed in a saturated atmosphere.
    incipient wilting
  22. _____________ irrigation is an outdoor surface irrigation system used for row crops.
    furrow
  23. Immobile nutrients move up the plant by _____________ (in the xylem) transport.
    acropetal
  24. Interveinal chlorosis and bronze coloration on older leaves is a symptom of _______
    deficiency.
    Mg
  25. _______ mineral particles contribute
    most to a soil's water holding capacity.
    clay
  26. Most of the water a plant looses occurs through the _______________.
    stomata
  27. If one wanted to make a garden soil flocculate, and therefore have better
    structure, ________________should be added.
    Ca
  28. ___________________ water occurs in large soil pores immediately following a rain, it drains from
    the soil within 24 hrs.
    gravitational
  29. Field soil is not used for growing plants in containers because it
    ___________________ and __________________________.
    packs too much and is heavy
  30. Clay is composed of _______________, which are flat, sheet-like plates laminated
    into stacks.
    micelles
  31. ___________________ is the amount of water the soil
    can hold against the force of gravity.
    field capacity
  32. Sand (good quality sharp) is added to soil to ____________________________.
    increase aeration
  33. _________________________ is the process that converts nitrogen gas to ammonium.
    nitrogen fixation
  34. When water is used in biochemical reactions such as photosynthesis it functions as a
    _________________
    reagent
  35. Mineral particles decrease in size in the following order ______________________.
    sand>silt>clay
  36. ____________________________ is when a plant wilts, and cannot recover when placed in a saturated
    atmosphere.
    permanent wilting
  37. ______________________ is an organic growing medium amendment.
    coir
  38. The ideal pH for field soil is ______.
    6.5
  39. An example of a plant that through a symbiotic relationship fixes atmospheric
    nitrogen is _______________.
    soybean
  40. The number of essential elements that are required by plants for normal growth, development and
    completion of its life cycle is ______.
    17

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