Geography · Textbook solutions

Exogenetic Processes Part-1

Every solved example, exercise, and miscellaneous question — in the order the textbook teaches them. · 16 questions

Exercise

16 q
  1. Answer in brief.
    Ex Q1(a)
    What is mechanical weathering ?
  2. Ex Q1(b)
    What are the main types of chemical weathering?
  3. Ex Q1(c)
    How does biological weathering occur?
  4. Ex Q1(d)
    Distinguish between weathering and mass wasting.
  5. Write whether the statements are true or false. Correct the incorrect ones.
    Ex Q2(a)
    Climate affects earthquakes.
  6. Ex Q2(b)
    Mechanical weathering is less effective in humid climates.
  7. Ex Q2(c)
    Mechanical weathering happens on a large scale in dry climates.
  8. Ex Q2(d)
    The breaking down of rocks into smaller particles is called weathering.
  9. Ex Q2(e)
    Lateritic rocks are formed through exfoliation.
  10. Ex Q3
    Complete the flowchart below. The chart is headed 'Weathering process'. It branches into three boxes (the first column below); each of those branches into the sub-process boxes beside it. The boxes printed blank are shown as ......... and are to be filled in.
    Weathering processSub-processes
    .................. ; Exfoliation
    Chemical weathering......... ; ......... ; Oxidation
    .........Burrowing by animals ; .........
  11. Identify the type of weathering from the given description.
    Ex Q4(a)
    Some animals live inside the grounds by making burrows.
  12. Ex Q4(b)
    The rock rusts.
  13. Ex Q4(c)
    Water which has accumulated in the crevices of the rocks freezes. Consequently, the rock breaks.
  14. Ex Q4(d)
    The pipes supplying water in colder regions break.
  15. Ex Q4(e)
    Sand formation occurs in deserts.
  16. Ex Q5
    Using internet, look for incidences of a few landslides that have occurred in India and write about them briefly.