CSES 2040 Final UPDATED Questions and CORRECT Answers

CSES 2040 Final UPDATED Questions and
CORRECT Answers
There three major natural biochemical reactions include: - CORRECT ANSWER -
photosynthesis
Respiration
Cation/anion exchange capacity


A soil is: - CORRECT ANSWER - the skin of the earth



A soil horizon has ___________ master horizons. - CORRECT ANSWER -6



Soil is an invaluable resource because: - CORRECT ANSWER - it provides plants with
essential nutrients
it is a foundation of roads and buildings
it filters polluted water


As discussed in this class, plant essential nutrients include _________ Macro _______
microelements, respectively. - CORRECT ANSWER - 9 and 9


Which of the following is true about soil?


- A soil is a rock.
- A rock is a soil.
- A soil an inert and biologically inactive.

- None of the above - CORRECT ANSWER - - None of the above



Physical and chemical weathering take place how? - CORRECT ANSWER -
simultineously

,Which of the following is not a weathering agent?


- water
- air
- redox

- none of the above - CORRECT ANSWER - none of the above



The five soil forming factors include: - CORRECT ANSWER - time
parent material
topography
climate
biota


The four soil forming processes do not include:
- transformation
- translocation
- losses/gains

- None of the above - CORRECT ANSWER - None of the above



What are the 4 soil forming processes? - CORRECT ANSWER - Transformation
Translocation
Addition
Losses


There are __________ soil orders according to the US soil taxonomy. - CORRECT
ANSWER - 12

,A given soil has a nomenclature of Miami silt loam, fine loamy, mixed, mesic, Typic Argiaquoll.
What is the order name of this soil? - CORRECT ANSWER - Mollisol


A given soil has a nomenclature of Miami silt loam, fine loamy, mixed, mesic, Typic Argiaquoll.
What is the subgroup name of this soil? - CORRECT ANSWER - Typic Argiaquoll


In what soil suborder would you most likely find a soil with swelling and cracking clay? -
CORRECT ANSWER - uderts


A prime land that is most suitable for agriculture with little or no limitation has a land capability
classification of: - CORRECT ANSWER -I


The subsurface horizon color (hue) of a well drained mineral soil in Southeast US will probably
be: - CORRECT ANSWER - red, yellow, and/or combination of red and yellow


The relative proportion of sand (2.00-0.05 mm), silt (0.05-0.002 mm) and clay (<0.002 mm)
particles in a soil is known as: - CORRECT ANSWER - texture


The arrangement of soil particles into aggregates is called:
- texture
- particle size
- particle density

- none of the above - CORRECT ANSWER - None of the above


Relative amount of soil porosity can defined as:
- volume of soil pores divided by total volume of soil
- Total volume of soil minus volume of soil solid
- Volume of air + volume of water in the soil

- All the above - CORRECT ANSWER - All the above

, Hurricane Issac saturated most of Mobile area soil with heavy rain in late August, 2012. The
volume of soil pore space occupied by air during the hurricane will be:
About 50%
About 25%
About 100%

None of the above - CORRECT ANSWER - None of the above


Which of the following statement is not true about water?


- Water is a polar molecule.
- Solid water (ice) is heavier than liquid water..
- Water has its highest density at about four degree centigrade.

- Soil water is mostly under tension - CORRECT ANSWER - Solid water (ice) is heavier
than liquid water..


T/F


Water always flows from high water potential to low water potential. - CORRECT
ANSWER - True



Method used to determine soil water potential? - CORRECT ANSWER - Tensiometer


Soil water at field capacity (-30 kPa) compared to permanent wilting percentage (-1500 kPa) will
be: - CORRECT ANSWER - more available for plants.


Which of the following is true for a transpiring plant as far as water potential are concerned?


- water potential of soil is greater than the root.