Soil Basics
This quiz will be used to assess your knowledge of very basic soil factors.
- 1.
A layer of soil normally indicated by a color change is called a:
- A.
Horizon
- B.
Layer
- C.
Color
- D.
Mud
Correct Answer
A. Horizon -
- 2.
The top layer of soil, often eroded away, is the ______ horizon, or the organic matter horizon.
- A.
O
- B.
A
- C.
B
- D.
C
Correct Answer
A. O -
- 3.
The topsoil, or A horizon, is often eroded away. When it is gone, the B horizon is exposed. It is also called the _______ horizon.
- A.
Organic Matter
- B.
Topsoil
- C.
Subsoil
- D.
Parent Material
Correct Answer
C. Subsoil -
- 4.
Organic matter includes, but is not limited to:
- A.
Worms, mice, leaves, roots, and rocks
- B.
Sand, silt, and clay
- C.
Worms, mice, leaves, roots, and dead animals
- D.
Big brown ants covered with chocolate and marshmallow topping
Correct Answer
C. Worms, mice, leaves, roots, and dead animals -
- 5.
Soil particles, listed from largest to smallest, are:
- A.
Clay, sand, silt, dirt
- B.
Sand, clay, silt, manure
- C.
Gravel, sand, silt, clay
- D.
Clay, silt, sand, gravel
Correct Answer
C. Gravel, sand, silt, clay -
- 6.
Soil erosion is caused by _____ _____ _____.
- A.
Wind and water
- B.
Pigs and corn
- C.
Gravel and sunshine
- D.
Water and snow
Correct Answer
A. Wind and water -
- 7.
A five percent slope in a corn field is described as a five feet drop in how many feet linear distance?
- A.
5
- B.
50
- C.
100
- D.
200
Correct Answer
C. 100 -
- 8.
A good mixture of sand, silt, and clay is desired for growing crops. This soil is called:
- A.
Jiffy-Mix
- B.
Topsoil
- C.
Manure
- D.
Loam
Correct Answer
D. Loam -
- 9.
Soil is more vulnerable to water erosion on a hillside than on flatland.
- A.
True
- B.
False
Correct Answer
A. True -
- 10.
How many acres are in a section (square mile)?
- A.
80
- B.
160
- C.
320
- D.
640
Correct Answer
D. 640 -
- 11.
Land capability classes can be grouped as those that are farmable, or classes _____________, and those that are not farmable, or classes _____________________.
Correct Answer
I-IV and V-VIII
1-4 and 5-8
1-4, 5-8
I-IV, V-VIII - 12.
Soil is formed by biota, time, and
- A.
Parent material
- B.
Climate
- C.
Topography
- D.
All of the above
- E.
Mixing play-dough with silly putty and spitting on it after eating popcorn
Correct Answer
D. All of the above -
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
-
Current Version
-
Jan 07, 2013Quiz Edited by
ProProfs Editorial Team -
Sep 21, 2009Quiz Created by
Dabartl1
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