Page |1
Soil 1113- Chapters 1-4 Questions and
Correct Answers/ Latest Update / Already
Graded
What is the Soil?
Ans: Soil- Loose mineral and /or organic material. That are
affected by physical, chemical, and /or biological processes
chemical composition of a young soil is normally determined by its
Ans: parent material
Assuming all other factors except climate are constant, in which of the
following areas are you more likely to find organic parent materials?
Ans: Bering Sea Wildlife Refuge in Alaska)
What can have a definite chemical formula?
Ans: Minerals
Which of the following is not an active factor of soil formation?
Ans: Topography
All rights reserved © 2025/ 2026 |
, Page |2
Which of the following is always true about clay soils? the soil is red →
the sizes of the particles are <0.002 mm, the soil is easier to cultivate
than a sandy soil)
Ans: the sizes of the particles are <0.002 mm,
What color of soils generally means that the soil has good fertility
status.
Ans: Black
What structure allows more effective downward growth or roots in the
soil profile.
Ans: Blocky
Loamy sand has a (higher, lower) specific surface than sandy clay.
Ans: Lower
A dead cor leaf that falls on the soil is automatically considered as part
of soil organic matter.(True, False)
Ans: False
All rights reserved © 2025/ 2026 |
, Page |3
we say "stable aggregates", we are referring to soil aggregates that
(don't easily disintegrate when immediately immersed in water, do not
easily get moved).
Ans: Disintegrate when immediately immersed in water
Clay has a (higher, lower) particle surface area than sandy clay. Note:
same volume of clay and sandy clay
Ans: Higher
As bulk density increases, the ability of the soil to allow effective root
growth decreases. (True, False)
Ans: True
(Platy, Granular) structure allows more effective downward movement
of water in the soil profile.
Ans: Granular
Which of the following B horizons has gray as the dominant color? (Bg,
Bt Bss)
Ans: Bg
All rights reserved © 2025/ 2026 |
Soil 1113- Chapters 1-4 Questions and
Correct Answers/ Latest Update / Already
Graded
What is the Soil?
Ans: Soil- Loose mineral and /or organic material. That are
affected by physical, chemical, and /or biological processes
chemical composition of a young soil is normally determined by its
Ans: parent material
Assuming all other factors except climate are constant, in which of the
following areas are you more likely to find organic parent materials?
Ans: Bering Sea Wildlife Refuge in Alaska)
What can have a definite chemical formula?
Ans: Minerals
Which of the following is not an active factor of soil formation?
Ans: Topography
All rights reserved © 2025/ 2026 |
, Page |2
Which of the following is always true about clay soils? the soil is red →
the sizes of the particles are <0.002 mm, the soil is easier to cultivate
than a sandy soil)
Ans: the sizes of the particles are <0.002 mm,
What color of soils generally means that the soil has good fertility
status.
Ans: Black
What structure allows more effective downward growth or roots in the
soil profile.
Ans: Blocky
Loamy sand has a (higher, lower) specific surface than sandy clay.
Ans: Lower
A dead cor leaf that falls on the soil is automatically considered as part
of soil organic matter.(True, False)
Ans: False
All rights reserved © 2025/ 2026 |
, Page |3
we say "stable aggregates", we are referring to soil aggregates that
(don't easily disintegrate when immediately immersed in water, do not
easily get moved).
Ans: Disintegrate when immediately immersed in water
Clay has a (higher, lower) particle surface area than sandy clay. Note:
same volume of clay and sandy clay
Ans: Higher
As bulk density increases, the ability of the soil to allow effective root
growth decreases. (True, False)
Ans: True
(Platy, Granular) structure allows more effective downward movement
of water in the soil profile.
Ans: Granular
Which of the following B horizons has gray as the dominant color? (Bg,
Bt Bss)
Ans: Bg
All rights reserved © 2025/ 2026 |
