SSC 200 Final Exam Review, NCSU SSC 200 Exam || Solved
Correctly.
Most of the different nutrients essential for growth are supplied to plants directly from the
A. rain water
B. soil solution
C. atmosphere
D. cosmic radiation
E. humus correct answers A. rain water
In a load of 10 cubic meters of topsoil, approximately how many cubic meters of the volume
would be solid material?
A. 1
B. 2.5
C. 4
D. 5
E. 7.5 correct answers D. 5
Which of the following is (are) essential plant nutrients?
A. Cu
B. Al
C. Sr
D. Pb
E. all of the above correct answers A. Cu
Which of the following is considered to be a plant macronutrient?
A. N
,B. P
C. S
D. Ca
E. all of the above correct answers E. all of the above
Soil occupies the ___ part of the regolith.
A. upper
B. lower
C. younger
D. both B and C correct answers A. upper
The lithosphere is made up of ___.
A. air
B. rock
C. water
D. plants and animals
E. all of the above correct answers B. rock
The layers of contrasting material found when one digs a hole in the ground are called ___.
A. pseudoliths
B. regoliths
C. pedons
D. horizons
E. soil structure correct answers D. horizons
A soil profile consists of ____.
A. the sum of chemical and physical data known about a soil
,B. the way a soil 'feels'
C. the spatial boundaries of a particular soil
D. the set of layers seen in a vertical cross section of a soil
E. the general outline of a soil or group of soils when viewed from the side correct answers D.
the set of layers seen in a vertical cross section of a soil
'Topsoil' is generally equivalent to which soil horizon?
A. A
B. B
C. C
D. D
E. E correct answers A. A
'Subsoil' is generally equivalent to which soil horizon?
A. A
B. B
C. C
D. D
E. E correct answers B. B
In a typical mineral soil in optimal condition for plant growth, approximately what percentage of
the pore space would be filled with water and what percentage filled with air?
A. 10% water, 90% air
B. 90% water, 10% air
C. 25% water, 25% air
D. 50% water, 50% air
E. 25% water, 75% air correct answers D. 50% water, 50% air
, The amount of different sizes of mineral particles in a soil defines the soil ___.
A. structure
B. texture
C. pore space
D. solution
E. profile correct answers B. texture
The water in the soil typically differs from pure water because the soil water ___.
A. contains organic compounds
B. contains mineral nutrients
C. is restrained in its flow by attraction to particle surfaces
D. all of the above
E. none of the above correct answers D. all of the above
Compared to silt, clay-sized soil particles are characterized by ___.
A. greater attraction to water.
B. greater proportion of primary minerals
C. less frequency to form hard clods when dry
D. less capacity to hold nutrients in plant-available forms. correct answers A. greater attraction to
water
Which of the following pH values represents a neutral condition?
A. 1
B. 5
C. 6
D. 7
E. 10 correct answers D. 7
Correctly.
Most of the different nutrients essential for growth are supplied to plants directly from the
A. rain water
B. soil solution
C. atmosphere
D. cosmic radiation
E. humus correct answers A. rain water
In a load of 10 cubic meters of topsoil, approximately how many cubic meters of the volume
would be solid material?
A. 1
B. 2.5
C. 4
D. 5
E. 7.5 correct answers D. 5
Which of the following is (are) essential plant nutrients?
A. Cu
B. Al
C. Sr
D. Pb
E. all of the above correct answers A. Cu
Which of the following is considered to be a plant macronutrient?
A. N
,B. P
C. S
D. Ca
E. all of the above correct answers E. all of the above
Soil occupies the ___ part of the regolith.
A. upper
B. lower
C. younger
D. both B and C correct answers A. upper
The lithosphere is made up of ___.
A. air
B. rock
C. water
D. plants and animals
E. all of the above correct answers B. rock
The layers of contrasting material found when one digs a hole in the ground are called ___.
A. pseudoliths
B. regoliths
C. pedons
D. horizons
E. soil structure correct answers D. horizons
A soil profile consists of ____.
A. the sum of chemical and physical data known about a soil
,B. the way a soil 'feels'
C. the spatial boundaries of a particular soil
D. the set of layers seen in a vertical cross section of a soil
E. the general outline of a soil or group of soils when viewed from the side correct answers D.
the set of layers seen in a vertical cross section of a soil
'Topsoil' is generally equivalent to which soil horizon?
A. A
B. B
C. C
D. D
E. E correct answers A. A
'Subsoil' is generally equivalent to which soil horizon?
A. A
B. B
C. C
D. D
E. E correct answers B. B
In a typical mineral soil in optimal condition for plant growth, approximately what percentage of
the pore space would be filled with water and what percentage filled with air?
A. 10% water, 90% air
B. 90% water, 10% air
C. 25% water, 25% air
D. 50% water, 50% air
E. 25% water, 75% air correct answers D. 50% water, 50% air
, The amount of different sizes of mineral particles in a soil defines the soil ___.
A. structure
B. texture
C. pore space
D. solution
E. profile correct answers B. texture
The water in the soil typically differs from pure water because the soil water ___.
A. contains organic compounds
B. contains mineral nutrients
C. is restrained in its flow by attraction to particle surfaces
D. all of the above
E. none of the above correct answers D. all of the above
Compared to silt, clay-sized soil particles are characterized by ___.
A. greater attraction to water.
B. greater proportion of primary minerals
C. less frequency to form hard clods when dry
D. less capacity to hold nutrients in plant-available forms. correct answers A. greater attraction to
water
Which of the following pH values represents a neutral condition?
A. 1
B. 5
C. 6
D. 7
E. 10 correct answers D. 7
