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Soil Contamination: Soil Erosion and Degradation

Description: Test your knowledge on Soil Contamination: Soil Erosion and Degradation.
Number of Questions: 15
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Tags: soil contamination soil erosion soil degradation
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Which of the following is NOT a major cause of soil erosion?

  1. Wind

  2. Water

  3. Deforestation

  4. Fertilizers


Correct Option: D
Explanation:

Fertilizers are not a major cause of soil erosion. They can actually help to improve soil structure and reduce erosion.

What is the process by which soil is worn away by the action of water?

  1. Erosion

  2. Deposition

  3. Weathering

  4. Compaction


Correct Option: A
Explanation:

Erosion is the process by which soil is worn away by the action of water.

Which of the following is NOT a consequence of soil erosion?

  1. Loss of soil fertility

  2. Increased flooding

  3. Water pollution

  4. Improved air quality


Correct Option: D
Explanation:

Soil erosion does not improve air quality. It can actually lead to air pollution by releasing dust and other particles into the atmosphere.

What is the term for the process by which soil is broken down into smaller particles?

  1. Erosion

  2. Deposition

  3. Weathering

  4. Compaction


Correct Option: C
Explanation:

Weathering is the process by which soil is broken down into smaller particles.

Which of the following is NOT a type of soil erosion?

  1. Sheet erosion

  2. Rill erosion

  3. Gully erosion

  4. Wind erosion


Correct Option: D
Explanation:

Wind erosion is not a type of soil erosion. It is a type of sediment transport.

What is the term for the process by which soil is deposited in a new location?

  1. Erosion

  2. Deposition

  3. Weathering

  4. Compaction


Correct Option: B
Explanation:

Deposition is the process by which soil is deposited in a new location.

Which of the following is NOT a factor that affects the rate of soil erosion?

  1. Soil type

  2. Climate

  3. Topography

  4. Vegetation


Correct Option: D
Explanation:

Vegetation is not a factor that affects the rate of soil erosion.

What is the term for the process by which soil is compacted and becomes less porous?

  1. Erosion

  2. Deposition

  3. Weathering

  4. Compaction


Correct Option: D
Explanation:

Compaction is the process by which soil is compacted and becomes less porous.

Which of the following is NOT a consequence of soil compaction?

  1. Reduced water infiltration

  2. Increased runoff

  3. Improved soil fertility

  4. Increased soil erosion


Correct Option: C
Explanation:

Soil compaction does not improve soil fertility. It can actually reduce soil fertility by making it more difficult for plants to access water and nutrients.

What is the term for the process by which soil is contaminated with harmful substances?

  1. Erosion

  2. Deposition

  3. Weathering

  4. Contamination


Correct Option: D
Explanation:

Contamination is the process by which soil is contaminated with harmful substances.

Which of the following is NOT a source of soil contamination?

  1. Industrial activities

  2. Agricultural activities

  3. Mining activities

  4. Natural processes


Correct Option: D
Explanation:

Natural processes are not a source of soil contamination. Soil contamination is caused by human activities.

What is the term for the process by which soil is cleaned up and restored to its natural state?

  1. Erosion

  2. Deposition

  3. Weathering

  4. Remediation


Correct Option: D
Explanation:

Remediation is the process by which soil is cleaned up and restored to its natural state.

Which of the following is NOT a method of soil remediation?

  1. Excavation

  2. In situ treatment

  3. Phytoremediation

  4. Natural attenuation


Correct Option: D
Explanation:

Natural attenuation is not a method of soil remediation. It is a process that occurs naturally over time.

What is the term for the process by which plants are used to clean up contaminated soil?

  1. Erosion

  2. Deposition

  3. Weathering

  4. Phytoremediation


Correct Option: D
Explanation:

Phytoremediation is the process by which plants are used to clean up contaminated soil.

Which of the following is NOT a benefit of soil remediation?

  1. Improved soil quality

  2. Reduced risk of human exposure to contaminants

  3. Increased property values

  4. Increased soil erosion


Correct Option: D
Explanation:

Soil remediation does not increase soil erosion. It can actually help to reduce soil erosion by improving soil structure and reducing the amount of runoff.

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