Weathering, Erosion, and Mass Wasting

1. When some force brings the rock surfaces together causing mechanical wearing or grinding of their surfaces what is it called?

  1. Friction
  2. Erosion
  3. Abrasion
  4. Attrition
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Answer: Option C. Abrasion

2. Among the following options, which one is responsible for the deposits known as Moraines?

  1. Glacial activity
  2. Volcanic eruptions
  3. Tectonic movements
  4. River sedimentation
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Answer: Option A. Glacial activity

3. Which of these statements is/are correct?

  1. Mechanical weathering is more pronounced in dry and cold regions.
  2. Chemical weathering is more pronounced in humid areas.

Choose the correct code from below:

  1. Both statements are incorrect
  2. Only the first statement is correct
  3. Only the second statement is correct
  4. Both statements are correct
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Answer: Option D. Both statements are correct

4. Sand drift over desert surfaces, pebble transport by rivers, and soil blowing over fields are called which phenomena?

  1. Deposition
  2. Saltation
  3. Weathering
  4. Mass wasting
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Answer: Option B. Saltation

5. What process is primarily responsible for the formation of Mushroom rocks or Rock pedestals?

  1. Wind Erosion
  2. Water Erosion
  3. Glacial Deposition
  4. Sediment deposition
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Answer: Option A. Wind Erosion