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Soil
Test Description: Soil Review
Instructions: Answer all questions to get your test result.
1) Composition, fertility, color, texture, structure, density and pH are all
A
types of soil
B
examples of soil.
C
processes of soil.
D
properties of soil.
2) Which of the following pH values represents a neutral condition?
A
7.0
B
2.0
C
8.0
D
5.0
3) Subsoil is generally equivalent to which soil horizon?
A
O
B
B
C
A
D
C
4) In a given soil, the horizon with the highest organic matter content is generally the ___ horizon.
A
B
B
O
C
A
D
C
5) Soil is made up of what four main ingredients?
A
Air, water, tiny pieces of rock, and manure
B
Humus, or dead plant material, clay, water, and salts
C
Tiny pieces of rock, humus, air and sand
D
Tiny pieces of rock, air, water, and humus or dead plant material
6) This type of soil dries out quickly after a rainstorm
A
Loam
B
gravel
C
Sand
D
Clay
7) This type of soil is the best kind for growing most things.
A
Loam
B
Clay
C
Sand
D
Silt
8) This soil ingredient is made up of decayed plants and animals
A
Air
B
Humus
C
Water
D
Minerals
9) What is soil erosion?
A
Another name for soil pollution.
B
Another name for the greenhouse effect.
C
A process that moves soil by wind and water.
D
The way that soil is formed.
10) What are the three main layers in a soil profile?
A
Subsoil, clay, bedrock
B
Minerals, humus, and air
C
Topsoil, subsoil, and parent material
D
Loam, sand, and clay
11) Soil is formed by the breaking up of rocks into tiny pieces, which is called weathering. What are three things that can cause this weathering?
A
Wind, water, heating and cooling of the rock.
B
Lightning, heating and cooling of rock, and water.
C
Weathering, erosion, and deposition.
D
Wind, water, and pH
12) The more humus a soil contains the more _____ it is.
A
gritty
B
pH
C
colorful
D
fertile
13) Poor soil management can result in ____________ and nutrient depletion.
A
Black Saturday's
B
weathering
C
deposition
D
erosion
14) Rotting or breaking down of plants and animals
A
erosion
B
bedrock
C
decomposition
D
road kill
15) Topsoil is dark in color because it
A
has a large amount of organic material.
B
undergoes a lot of chemical weathering.
C
is full of dark rocks.
D
contains a lot of worms.
16) Soil scientists study the layers of soil that go together called
A
transoprted soil.
B
residual soil.
C
a soil profile.
D
soil horizons.
17) A renewable resource is a resource that may be replaced by nature
A
in a relatively short time period.
B
in 1000 years.
C
like coal.
D
or bought at your local GNC.
18) Chemical and mechanical are two kinds of
A
composition.
B
decomposition.
C
weathering.
D
erosion.
19) The two most important factors that determine the rate of weathering are
A
the type of rock and minerals.
B
the type of rock and climate.
C
erosion and decomposition.
D
climate and location.
20) A measure of the ability to allow the movement of fluid through it
A
permeability
B
porosity
C
volume
D
airtight
*select an answer for all questions
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