Geography ยท Environmental Studies

Geomorphic Processes

2,085 Questions

Geomorphic processes shape the Earth surface through physical mechanisms like weathering, erosion, and deposition. This topic covers soil formation, glacial movement, and coastal landform development. It forms a core component of physical geography in major competitive examinations.

Soil erosion controlGlacial movementCoastal landformsSedimentary rock formationWeathering processes

Geomorphic Processes Questions

Multiple choice

Which of the following is NOT a type of riverine erosional landform?

  1. Gorge

  2. Canyon

  3. Floodplain

  4. Valley
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Floodplains are depositional landforms, not erosional landforms. They are formed by the deposition of sediment during floods.

Multiple choice

The process by which a river channel migrates laterally is known as:

  1. Erosion

  2. Deposition

  3. Lateral migration

  4. Sediment transport
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Lateral migration is the process by which a river channel migrates laterally. It occurs as a result of the erosion of the river bank on one side and the deposition of sediment on the other side.

Multiple choice

Which of the following is NOT a type of riverine landform created by erosion?

  1. Gorge

  2. Canyon

  3. Delta

  4. Valley
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Deltas are depositional landforms, not erosional landforms. They are formed by the deposition of sediment at the mouth of a river.

Multiple choice

Which of the following is NOT a type of riverine landform created by deposition?

  1. Floodplain

  2. Delta

  3. Gorge

  4. Natural levee
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Gorges are erosional landforms, not depositional landforms. They are formed by the downcutting of a river into the bedrock.

Multiple choice

The process by which sediment is sorted by size and shape is known as:

  1. Erosion

  2. Deposition

  3. Sediment sorting

  4. Weathering
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sediment sorting is the process by which sediment is sorted by size and shape. It occurs as a result of the differential transport of sediment particles by the flowing water.

Multiple choice

Which of the following is NOT a type of riverine landform created by lateral migration?

  1. Meander

  2. Oxbow lake

  3. Floodplain

  4. Natural levee
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Floodplains are depositional landforms, not erosional landforms. They are formed by the deposition of sediment during floods.

Multiple choice

The term 'point bar' refers to:

  1. A sediment deposit on the inside of a river bend

  2. A sediment deposit on the outside of a river bend

  3. A sediment deposit in the middle of a river channel

  4. A sediment deposit at the mouth of a river
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A point bar is a sediment deposit on the inside of a river bend. It is formed by the deposition of sediment as the river flows around the bend.

Multiple choice

Which of the following is NOT a type of riverine landform created by downcutting?

  1. Gorge

  2. Canyon

  3. Floodplain

  4. Valley
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Floodplains are depositional landforms, not erosional landforms. They are formed by the deposition of sediment during floods.

Multiple choice

Which type of land degradation is characterized by the loss of soil structure and decreased water infiltration?

  1. Desertification

  2. Compaction

  3. Erosion

  4. Salinization
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Compaction occurs when soil is compressed, often due to heavy machinery or overgrazing. This can reduce water infiltration and aeration, making it difficult for plants to grow.

Multiple choice

Which type of land degradation is characterized by the loss of soil fertility?

  1. Desertification

  2. Salinization

  3. Erosion

  4. Nutrient depletion
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Nutrient depletion occurs when essential nutrients are removed from the soil, often through intensive agriculture or erosion. This can make it difficult for plants to grow and can lead to a decline in soil productivity.

Multiple choice

Which type of land degradation is characterized by the loss of soil organic matter?

  1. Desertification

  2. Salinization

  3. Erosion

  4. Soil organic matter loss
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Soil organic matter is a vital component of healthy soil. It helps to improve soil structure, water retention, and nutrient cycling. Soil organic matter loss can occur through a variety of processes, including erosion, cultivation, and the application of pesticides and fertilizers.

Multiple choice

Which of the following is not an innovative technology for coastal erosion management?

  1. Artificial reefs

  2. Beach nourishment

  3. Seawalls

  4. Groynes
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Seawalls are traditional coastal protection structures, while artificial reefs, beach nourishment, and groynes are considered innovative technologies.

Multiple choice

Which of the following is an example of a nature-based solution for coastal erosion management?

  1. Artificial reefs

  2. Beach nourishment

  3. Seawalls

  4. Mangrove restoration
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Mangrove restoration is an example of a nature-based solution for coastal erosion management, as it involves restoring mangrove forests, which provide natural protection against erosion.

Multiple choice

What are the main causes of coastal erosion?

  1. Sea level rise

  2. Storms

  3. Human activities

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Coastal erosion is caused by a combination of factors, including sea level rise, storms, and human activities such as coastal development and dredging.

Multiple choice

Which of the following is an example of a hard engineering structure for coastal erosion management?

  1. Artificial reefs

  2. Beach nourishment

  3. Seawalls

  4. Mangrove restoration
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Seawalls are an example of a hard engineering structure for coastal erosion management, as they are built to physically protect the shoreline from erosion.