Geography · Environmental Studies

Geomorphic Processes

2,120 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 depositional landforms was produced by glaciers?

  1. Roches Montanes
  2. Outwash plans
  3. Eskers
  4. U-shaped valleys Select the correct answer using the codes given below.

  1. 1 and 2

  2. 2 and 3

  3. 3 and 4

  4. 1 and 4
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Outwash plains and Eskers are depositional landforms formed by glacial meltwater and sediment. Roches Moutonnees and U-shaped valleys are erosional landforms carved directly by the movement of glacial ice.

Multiple choice

Consider the following statements:

  1. Weathering encompasses a group of processes by which surface and subsurface rocks disintegrates
  2. Extreme dryness reduce most weathering to a minimum
  3. Physical weathering dominates in drier and cooler climates
  4. In equatorial rain-forest climate, most rocks weather slowly Which of these are correct?

  1. 1, 2. and 3

  2. 1 and 4

  3. 2, 3 and 4

  4. 1, 2, 3, and 4
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Weathering is the in situ breakdown of rocks, which is greatly slowed by extreme dryness due to the lack of water for chemical reactions. In contrast, the high heat and moisture of equatorial rainforests cause rocks to weather very rapidly, making the fourth statement incorrect.

Multiple choice

Which of the following factors influence the type and rate of weathering?

  1. Glacier
  2. Climate
  3. Vegetation cover
  4. Rock structure

  1. 1, 2, 3 and 4

  2. 2, 3, 4, and 5

  3. 1, 2. 3, and 5

  4. 1, 2, 4 and 5
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Weathering is influenced by climate (temperature/moisture), vegetation (biological action), and rock structure (mineral susceptibility). While glaciers are primarily agents of erosion, they contribute to physical weathering through pressure changes and plucking. The options contain a typo (referencing a '5'), but A is the most inclusive valid choice.

Multiple choice

Which of the following is correct?

  1. The rivers of northern plain have a dendritic drainage pattern.

  2. When the rivers originate from a hill and flow in all directions, the drainage pattern is known as dendritic drainage pattern.

  3. When the primary tributaries of rivers flow parallel to each other and secondary tributaries join them at right angles, the pattern is known as centripetal.

  4. When the rivers discharge their waters from all directions in a lake or depression, the pattern is known as trellis.

  5. The drainage pattern resembling the branches of a tree is known as radial.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the correct answer.

Multiple choice

Acid rock drainage (ARD) is the weathering of rocks caused by acids. Which of the following bacteria is involved in acid rock drainage?

  1. Chromtiacceae

  2. Chlorobiaceae

  3. Thiomicrospira

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

Thiomicrospira produces sulphuric acid (hydrogen ions, H+ and sulphate ions, SO4--) as a metabolic product. This bacterium is involved in acid rock damage from pyritic and pyrrhotitic rocks under appropriate conditions.

Multiple choice

Fjord originates as a result of

  1. glacial erosion

  2. soil erosion

  3. landslide

  4. rock formation
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A fjord is a long, deep, narrow body of water that reaches far inland. They are formed when a glacier retreats, after having carved its typical U-shaped valley, and the sea fills the resulting valley floor.

Multiple choice

Weathering is the

  1. Frequent change in weather

  2. Breaking down of rocks

  3. No change in weather

  4. Change in temperature
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

weathering is the breaking down of rocks.