Geography Test III

50 Questions

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Geography Quizzes & Trivia

Questions and Answers
  • 1. 
    Winter is coming, and the leaves are falling off of the treess. These slightly decomplosed would likely form...
    • A. 

      The "o" horizon

    • B. 

      The " B: horizon

    • C. 

      The "A" Horizon

    • D. 

      These will not form soil, because they are organic

  • 2. 
    A soil is 100 years old. It has a very thick dark "A" horizon and very thick, clayey "B", and the "C" horizon is deep in the surface. This soil is.
    • A. 

      An Inceptisol

    • B. 

      An arridisol

    • C. 

      Very old

    • D. 

      Very young

  • 3. 
    In most deserts________  is generally the most important agent of geomorphic change.
    • A. 

      Wind

    • B. 

      Water

    • C. 

      Evaporation

    • D. 

      Blowing sand

  • 4. 
    You grab a handful of dirt, and squeeze it into a hard ball of mud. You have just created a....
    • A. 

      Clod, and one produced by nature is called a ped

    • B. 

      Ped, and one produced by nature is called a horizon

    • C. 

      Horizon, and one produced by nature is called a clod

    • D. 

      Ped, and one produced by nature is called a clod

  • 5. 
    You come across a landform in the desert that is very flat on top, very steep sided, and is wider than it is tall. The layer of rock on top is much.....
    • A. 

      Harder than that on the botto, and this is a butte

    • B. 

      Softer than that on the bottom, and this is a butte

    • C. 

      Harder on than that on the bottom, and this is a mesa

    • D. 

      Softer than that on the bottom and this is a mesa

  • 6. 
    In therms of pH, low numbers indicate that a soil is...
    • A. 

      Very basic, like those here in Alabama

    • B. 

      Very basic, like those here in Alabma

    • C. 

      Very acidic, unlike those here in Alabama

    • D. 

      Very acidic, like those here in in Alabama

  • 7. 
    You dig a hole in the ground. One of the horizons is remarkably white. This is ...
    • A. 

      A. an E horizon, and is produced by lots of eluviation

    • B. 

      An E Horizon, and is produced by lots of illuviation

    • C. 

      A B horizon, and is produced by lots of eluviation

    • D. 

      A B horizon, and is produced by lots of illuviation

  • 8. 
    Playas form in deserts when...
    • A. 

      Rivers entering valleys deposit their suspended and bedloads

    • B. 

      The last remmnants of old mountains are most buried in sediments

    • C. 

      Ephemeral lakes form in vallys.

    • D. 

      Ephemeral lakes in valleys dry up, leaving their solution load behind

  • 9. 
    On your way to Las Vegas, you drive by a beautiful flue lake ina desert valley. The next week, as you hitchhike home., the lake is gone. All that is ...
    • A. 

      A playa

    • B. 

      A salt flat

    • C. 

      An aroyo

    • D. 

      A bajada

  • 10. 
    Soil " A" develops in a climate with an average temperature of 33 degrees Celcius. Soild " B: develops in a climate with an average temperature of 3 degrees celcius. How faster will soil "A" develop?
    • A. 

      3 times

    • B. 

      6 times

    • C. 

      8 times

    • D. 

      30 Times

  • 11. 
    Histosols are composed of....
    • A. 

      Mineral material that has been stained by gorganics, and are found in cool, wet locations.

    • B. 

      All organic material, and are found in hot wet locations where lots of plants grow.

    • C. 

      Mineral material that has been ssstained by organics and are found in hot wet locations where lots of plants grow.

    • D. 

      All organic material , and are found in cool, wet locations.

  • 12. 
    A zone of the soil that consists of soil parent material that has not been changed by the other soil-forming factors is the ....
    • A. 

      "A"

    • B. 

      "C"

    • C. 

      "E"

    • D. 

      "B"

  • 13. 
    Saltation....
    • A. 

      Is a hopping motion, and is how most gravel moves in the wind

    • B. 

      Occurs when ephemeral lakes evaporate, and leave dissolved mineral sbehind

    • C. 

      A hopping motion, and is how sand moves in the wind

    • D. 

      Occurs when water dissolves salts, and later deposits them in playas

  • 14. 
    You dig a hole in a soil that is amost always saturated with water. It is also very clayey and very low in organic matter. this soild would lmost likely be...
    • A. 

      Gray

    • B. 

      Black

    • C. 

      Red

    • D. 

      White

  • 15. 
    Spodosols will most likely develop in soil textures that are very
    • A. 

      Sandy, with high permeability and so weak eluviation

    • B. 

      Clayey, with high permeability and so strong eluviation

    • C. 

      Clayey, with low permeability and so weak eluviation

    • D. 

      Sandy, with high permeability and so strong eluviation

  • 16. 
    Arroys
    • A. 

      Are ephemeral channels with flat bottoms and vertical sides

    • B. 

      Originate in wet areas and flow through deserts on the way to the ocean.

    • C. 

      Form in hard rock, and may be a hundred feet deep but only a few feet wide

    • D. 

      Where an ephemeral stream enters a flat valley and produces deposition

  • 17. 
    The moevement of small particles of clay , carried by water, out of a horozon are called...
    • A. 

      Illuviation

    • B. 

      Eluviation

    • C. 

      Leaching

    • D. 

      Reaction

  • 18. 
    Soils on the sides of hills are considered to be rainfall...
    • A. 

      Recieving sites, and will develop more rapidly

    • B. 

      Shedding sites, and will develop more slowly

    • C. 

      Receiving sites, and will develop more slowly

    • D. 

      Shedding sites, and will develop more rapidly

  • 19. 
    The soils in this reegion are often very red. This indicates
    • A. 

      That it rains a lot here, so that the soils are usually waterlogged

    • B. 

      That the soil is relatively well drained

    • C. 

      That the soil parent materials are relatively young and full of minerals

    • D. 

      That the soil parent material is strongly eluviated

  • 20. 
    In the desert, you are walking on desert pavement. This was produced by...
    • A. 

      The wind removing all the sand, silt and clay, leaving only solid rock behind.

    • B. 

      Running water eroding away the soft rocks, and leaving just gravel behind.

    • C. 

      The wind creating an "armored surface" of gravels, with smaller particles underneath

    • D. 

      The wind blowing on mixed sediments, that contain no gravels

  • 21. 
    You are a famer. you have lived a good life, and when you die you go directly to farmer heaven. The soils here have rich fertile "A" horizons that contain a high percentage of humus. These soils are...
    • A. 

      Mollisols, and are associated with heavenly grasslands

    • B. 

      Mollisols, and are associated with heavenly forests, with lots of organic matter

    • C. 

      Ultisols, and d are the ultimate in soil development

    • D. 

      The wind blowing on mixed sediments, that contain no gravels.

  • 22. 
    A loess plain forms from....
    • A. 

      The wind erosion of sediments that contain some gravels.

    • B. 

      The wind erosion of sediments that do not contain gravels.

    • C. 

      The smothering of a preexisting landscape under growing bajadas.

    • D. 

      The smothering of a preexisting landscape under silts

  • 23. 
    You are diggin a hole. You encounter a "b" horizon that contains lots of soluble minerals like CaCO3 and salt. this is...
    • A. 

      An ultisol, and this is a very wet climate

    • B. 

      An Aridisol, and this is a very wet climate

    • C. 

      An Entisol, and this is a very young soil so the minerals have not been removed yet

    • D. 

      An aridisol, and this is a very dry climate

  • 24. 
    Soil parent materials may be composed of....
    • A. 

      Weathered rock only

    • B. 

      Weathered rock and or organic matter

    • C. 

      Organic matter only

    • D. 

      Unweathered rock only

  • 25. 
    The movement of atoms and small molecules in solution down a soil profile is called
    • A. 

      Eluviation

    • B. 

      Illuviation

    • C. 

      Leaching

    • D. 

      Reaction

  • 26. 
    You are vacationing in the desert. Your group is attacked by giand carnivorourous worms that move though loose sediments. you probably better go stand on...
    • A. 

      An insleberg

    • B. 

      A bajada

    • C. 

      A alluvial fan

    • D. 

      A delta

  • 27. 
    In the desert, you see a "butte" this landform has
    • A. 

      Harrd rock on top of soft rock, and is equally tall and wide

    • B. 

      Hard rock on top of soft rock, and is wider than it is tall

    • C. 

      Soft rock on top of hard rock, and is equally tall and wide

    • D. 

      Soft rock on top of hard rock, and is wider than it is tall.

  • 28. 
    Illuviation refers to...
    • A. 

      The accumulation of organic matter

    • B. 

      The remvoal of small particles out of a horizon

    • C. 

      The movement of material in solution

    • D. 

      The movement of small particles into a horizon.

  • 29. 
    Soils will develop most quickly in a climate that is...
    • A. 

      Wet and cold

    • B. 

      Wet and hot

    • C. 

      Dry and hot

    • D. 

      Dry and cold

  • 30. 
    In this latitutude, soils on the north-facing side of a slope will be...
    • A. 

      Warmer and wetter

    • B. 

      Cooler and drier

    • C. 

      Warmer and drier

    • D. 

      Cooler and wetter

  • 31. 
    Very large depressions, some reaching below sea level, may be formed in deserts when...
    • A. 

      The wind blows on sediments that contain no gravels

    • B. 

      Running water rapidly erodes soft rocks

    • C. 

      Running water erodes straight down through hard rocks

    • D. 

      The wind blows on mixed sediments and creates and armored surface

  • 32. 
    Gravels are very seldom moved by the wind. If they are, it is always by ....
    • A. 

      Saltation

    • B. 

      Suspension

    • C. 

      Traction

    • D. 

      Solution

  • 33. 
    Humus is best described as...
    • A. 

      Clays and other small particles that have been added to a soil horizon

    • B. 

      Clays and other small particles that have been removed from a soil horizon

    • C. 

      Slightly decomposed organic matter

    • D. 

      Highly decomposed organic matter

  • 34. 
    Chemical weathering is important in soils primarily because...
    • A. 

      Sands, silts and clays are produced

    • B. 

      New minerals such as granite and basalt are produced

    • C. 

      Nutrient elements are released into the soils

    • D. 

      It will increase rates of chemical reaction

  • 35. 
    A broad ramp of sediment formed on the sides of valleys in the dersert would be called
    • A. 

      A bajada, which will grow in size until it becomes and alluvial fan

    • B. 

      An alluvial fan, and is caused by the evaporation of water

    • C. 

      A bajada, which is formed by merging alluvial fan

    • D. 

      An arroyo, which is formed by merging alluvial fans

  • 36. 
    A stream that originates in a humid area, and flows through a desert is called an...
    • A. 

      Intermittent stream

    • B. 

      Ephemeral stream

    • C. 

      Arroyo

    • D. 

      Exotic stream

  • 37. 
    You dig a hole. The soil is very black in color. This is an indication of...
    • A. 

      Lots of iron

    • B. 

      Wetness

    • C. 

      A well-drained soil.

    • D. 

      Organic matter.

  • 38. 
    1. an oais may form if...
    • A. 

      A bajada erodes down to the watertable

    • B. 

      A deflation basin erodes down to the watertable

    • C. 

      An alluvial erodes down to the watertable

    • D. 

      The zone of aeration is exposed

  • 39. 
    A soil profile is best described as...
    • A. 

      A layer of soil with distinctive chemical properties

    • B. 

      A layer of soil with distinctive physical properties

    • C. 

      All the horizons in a soil, and in a vertical section

    • D. 

      All the layers in a soil, in a horizontal section

  • 40. 
    Inselbergs form when...
    • A. 

      Alluvial fans merge together

    • B. 

      Deserts valleys fill with sediments, almost burying the surrounding mountains.

    • C. 

      Ephemeral streams drop in velocity, and deposit sediments

    • D. 

      Ephemeral lakes evaporate, and leave mineral deposits behind

  • 41. 
    You dig a hole in a soil that has an organic matter content of about 5%. This is an ...
    • A. 

      "A" horizon and is very dark in color

    • B. 

      "O" horizon and is very red in color

    • C. 

      "O" horizon and is very dark in color

    • D. 

      "A" horizon is very red in color.

  • 42. 
    The " horizon of illuviation" is the 
    • A. 

      "A"

    • B. 

      "C"

    • C. 

      "B"

    • D. 

      "E"

  • 43. 
    Badlands form from...
    • A. 

      By the widespread, rapid erosion of soft rocks.

    • B. 

      By the localized erosion of hard rocks

    • C. 

      By the widespread, rapid erosion of hard rocks

    • D. 

      By the localized erosion produced by exotic streams

  • 44. 
    You dig a hole. The soil has a very weakly defined surface layer. The only other horizon is the thick "C" this soil is
    • A. 

      An inceptisol, and this is a very dry climate

    • B. 

      An entisol, and this is a very dry climate

    • C. 

      An inceptisol, and this probably would not be a good place to build a house

    • D. 

      An Entisol, and this probably would not be a good place to build a house

  • 45. 
    You arein the desert. You enter a canyon that is only a few feet wide but a hundred feet tall. This is called...
    • A. 

      An arroyo, and is formed in hard rock

    • B. 

      An arroyo, and is formed in soft rock

    • C. 

      A slot canyon, and is formed in hard rock

    • D. 

      A slot canyon, and is formed in soft rock

  • 46. 
    You dig a hole. The soil has a thin weak "A" horizon. Underneath is a thin, weak "B" horizon. This soil is...
    • A. 

      An entisol, and has formed in a very active geomorphic setting

    • B. 

      An entisol, and formed in a very stable geomorphic setting

    • C. 

      An Ultisol

    • D. 

      An Inceptisol

  • 47. 
    You come across a landform in the desert that is very flat on top, very stee[sided, and is much taller than it is wide. The layer of rock on top is much...
    • A. 

      Harder than that on the bottom, and this is a hoodoo

    • B. 

      Softer than that on the bottom, and this is a butte

    • C. 

      Harder than that on the bottom, and this is a mesa

    • D. 

      Softer than that on the bottom and this is a mesa

  • 48. 
    Suspension typically moves...
    • A. 

      Sands, silts and clyas, but no gravels

    • B. 

      Only silts and clays

    • C. 

      Sands in a "hopping" motion

    • D. 

      Sands, and rarely gravels.

  • 49. 
    The wind blows on a loess plain. The result at this location will eventually be a...
    • A. 

      Deflation basin

    • B. 

      Desert pavement

    • C. 

      Bajada

    • D. 

      Playa

  • 50. 
    You dig a hole in your Alabama backyard. It ihas a very thin topsoil, but a very thick clayey "B" horizon. Additionally, the soil is very red, very acidic and has low native fertility. This is probably 
    • A. 

      A Spodosol

    • B. 

      An Ultisol

    • C. 

      A Mollisol

    • D. 

      An Entisol