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SOIL 1113 Exam 2 Questions and Correct
Answers/ Latest Update / Already Graded
As the H+ concentration in the soil solution decreases, the soil
becomes more:
Ans: basic
True or False: The finer the liming material, the more effective it is in
adjusting the pH of the soil.
Ans: true
Which of the following can be added to the soil to raise the soil pH to a
desired level?
Ans: CaCO3
What charge does the soil normally have?
Ans: negative
True or False: Most plant nutrients are in plant-available forms at
circumneutral pH.
Ans: true
All rights reserved © 2025/ 2026 |
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True or False: Ions that are stored on the surfaces of changed particles
are practically stuck in the soil forever.
Ans: false
True or False: The mobility of pollutants in the soil can change by
adjusting soil pH.
Ans: true
True or False: Water quality impairment in lakes and rivers is largely a
result of activities done in upland areas.
Ans: true
True or False: Most of the water on earth cannot be utilized for
ordinary day-to-day human uses.
Ans: true
Most of the water that we use for human use in the U.S. is drawn from:
Ans: surface-water
All rights reserved © 2025/ 2026 |
, Page |3
True or False: The lower the initial moisture content of the soil (prior to
a rain event,) the more likely runoff will occur.
Ans: False
True or False: Windbreaks can reduce evaporation loss but will tend to
promote transpiration loss.
Ans: False
What is achieved right after all the gravitational water is lost or
drained?
Ans: Field Capacity
True or False: At the Permanent wilting point, the soil still has some
water.
Ans: true
True or false: One should wait until the permanent wilting point is
reached before applying irrigation water.
Ans: False
All rights reserved © 2025/ 2026 |
SOIL 1113 Exam 2 Questions and Correct
Answers/ Latest Update / Already Graded
As the H+ concentration in the soil solution decreases, the soil
becomes more:
Ans: basic
True or False: The finer the liming material, the more effective it is in
adjusting the pH of the soil.
Ans: true
Which of the following can be added to the soil to raise the soil pH to a
desired level?
Ans: CaCO3
What charge does the soil normally have?
Ans: negative
True or False: Most plant nutrients are in plant-available forms at
circumneutral pH.
Ans: true
All rights reserved © 2025/ 2026 |
, Page |2
True or False: Ions that are stored on the surfaces of changed particles
are practically stuck in the soil forever.
Ans: false
True or False: The mobility of pollutants in the soil can change by
adjusting soil pH.
Ans: true
True or False: Water quality impairment in lakes and rivers is largely a
result of activities done in upland areas.
Ans: true
True or False: Most of the water on earth cannot be utilized for
ordinary day-to-day human uses.
Ans: true
Most of the water that we use for human use in the U.S. is drawn from:
Ans: surface-water
All rights reserved © 2025/ 2026 |
, Page |3
True or False: The lower the initial moisture content of the soil (prior to
a rain event,) the more likely runoff will occur.
Ans: False
True or False: Windbreaks can reduce evaporation loss but will tend to
promote transpiration loss.
Ans: False
What is achieved right after all the gravitational water is lost or
drained?
Ans: Field Capacity
True or False: At the Permanent wilting point, the soil still has some
water.
Ans: true
True or false: One should wait until the permanent wilting point is
reached before applying irrigation water.
Ans: False
All rights reserved © 2025/ 2026 |
