Question 1

The size groups within the standard classification of soil particle sizes are termed ________.

Accepted Answer

A)   epipedons
B)   separates
C)   cations
D)   humus
E)   pedons

Question 2

The analogy between palimpsest and soils means that ________.

Accepted Answer

the past c...

Question 3

Earthworms and often absent from ________ regions.

Accepted Answer

A)   tropical rainforest
B)   middle latitude
C)   farming
D)   populated
E)   arid

Question 4

Laterization represents the most rapid cycling of nutrients of all soil-forming processes.

Accepted Answer

A) True 
 B)False

Question 5

In the soil, which of the separates are associated with significant chemical activity?

Accepted Answer

A)   sand
B)   silt
C)   clay
D)   all of the above
E)   none of the above

Question 6

On the standard pH scale, the number 10 indicates a(n)  ________ soil.

Accepted Answer

A)   acid
B)   neutral
C)   basic
D)   fine-textured
E)   porous

Question 7

There are approximately one hundred major soil orders recognized by the U.S. Soil Taxonomy.

Accepted Answer

A) True 
 B)False

Question 8

Roughly one-half of the volume of an "average" soil type is composed of ________.

Accepted Answer

A)   organic material
B)   clay
C)   pore spaces
D)   cations
E)   rocky fragments

Question 9

The presence of humus in the soil loosens the structure of the soil.

Accepted Answer

A) True 
 B)False

Question 10

Bacteria are among the most important of all soil fauna.

Accepted Answer

A) True 
 B)False

Question 11

The main "type" of water plants use is ________.

Accepted Answer

A)   vadose
B)   artesian
C)   hydroscopic
D)   capillary
E)   aquiclude

Question 12

Which pH reading is suitable for most plants and soil microorganisms?

Accepted Answer

A)   0
B)   3
C)   5
D)   7
E)   10

Question 13

Explain the importance of the nature of the parent material to soil formation and type. Then, develop two examples in which the influence of parent materials may be outweighed by other soil forming factors.

Accepted Answer

The answer of Explain the importance of the nature of...

Question 14

For all soil orders the surface layer is the ________.

Accepted Answer

A)   epipedon
B)   solum
C)   bedrock
D)   cation
E)   hardpan

Question 15

________ brings soil materials from the A horizon to the B horizon.

Accepted Answer

A)   Translocation
B)   Loss
C)   Addition
D)   Transformation
E)   Porosity

Question 16

In terms of topography, the deepest soils

Accepted Answer

A)   are on flat land.
B)   are on the sides of hills.
C)   are where erosion is fastest.
D)   are on steep hills with sandstone bedrock.
E)   can be found in any of the above locations.

Question 17

Which of the following is a soil component?

Accepted Answer

A)   fine, fragmented mineral particles
B)   water
C)   air
D)   dead and rotting plant parts
E)   all of the above

Question 18

The less the colloidal content of the soil, the greater its inherent fertility.

Accepted Answer

A) True 
 B)False

Question 19

Podzols are a type of soil which evolves in the world's arid climates.

Accepted Answer

A) True 
 B)False

Question 20

In the long run, temperature and moisture are the prime determinants of soil characteristics.

Accepted Answer

A) True 
 B)False

Exam 12: Soils

Explain the importance of the nature of the parent material to soil formation and type. Then, develop two examples in which the influence of parent materials may be outweighed by other soil forming factors.

Correct AnswerverifiedShow Answer

Podzols are a type of soil which evolves in the world's arid climates.

Correct AnswerverifiedShow Answer

The analogy between palimpsest and soils means that ________.

Correct Answerverifiedthe past c...View AnswerShow Answer

Which pH reading is suitable for most plants and soil microorganisms?

Correct AnswerverifiedShow Answer

The main "type" of water plants use is ________.

Correct AnswerverifiedShow Answer

The size groups within the standard classification of soil particle sizes are termed ________.

Correct AnswerverifiedShow Answer

________ brings soil materials from the A horizon to the B horizon.

Correct AnswerverifiedShow Answer

In the long run, temperature and moisture are the prime determinants of soil characteristics.

Correct AnswerverifiedShow Answer

On the standard pH scale, the number 10 indicates a(n) ________ soil.

Correct AnswerverifiedShow Answer

In the soil, which of the separates are associated with significant chemical activity?

Correct AnswerverifiedShow Answer

There are approximately one hundred major soil orders recognized by the U.S. Soil Taxonomy.

Correct AnswerverifiedShow Answer

Laterization represents the most rapid cycling of nutrients of all soil-forming processes.

Correct AnswerverifiedShow Answer

Roughly one-half of the volume of an "average" soil type is composed of ________.

Correct AnswerverifiedShow Answer

In terms of topography, the deepest soils

Correct AnswerverifiedShow Answer

For all soil orders the surface layer is the ________.

Correct AnswerverifiedShow Answer

Earthworms and often absent from ________ regions.

Correct AnswerverifiedShow Answer

The presence of humus in the soil loosens the structure of the soil.

Correct AnswerverifiedShow Answer

The less the colloidal content of the soil, the greater its inherent fertility.

Correct AnswerverifiedShow Answer

Which of the following is a soil component?

Correct AnswerverifiedShow Answer

Bacteria are among the most important of all soil fauna.

Correct AnswerverifiedShow Answer

Correct Answer
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