Civil Services Prepby Garima Malik & Nitin Sangwan Account

UPSC Prelims · General Studies

Geography

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Geomorphology and the Earth

Landforms made by running water

Concepts to cover

  1. Youth, mature and old stages of a river; overland and channel flow
  2. Valleys: V-shaped valley, gorge and canyon
  3. Potholes, plunge pools, rapids and waterfalls
  4. Incised meanders and paired or unpaired river terraces
  5. Alluvial fans and deltas; delta types
  6. Floodplains, natural levees, point bars, meanders, oxbow lakes and braided channels
  7. Drainage patterns: dendritic, trellis, radial, rectangular, centripetal
Where to study

Fundamentals of Physical Geography, Class XI, chapter 6: Landforms and their Evolution (Reprint 2026-27)

  • ch. 6, Landforms and their Evolution, p. 1-16 (book pages 47-62)
  • ch. 6, Running Water, p. 1-2 (book pages 47-48)
  • ch. 6, Youth, p. 2 (book page 48)
  • ch. 6, Valleys, p. 2 (book page 48)
  • ch. 6, Potholes and Plunge Pools, p. 2-3 (book pages 48-49)
  • ch. 6, Incised or Entrenched Meanders, p. 3 (book page 49)
  • ch. 6, River Terraces, p. 3 (book page 49)
  • ch. 6, Alluvial Fans, p. 3-4 (book pages 49-50)
  • ch. 6, Deltas, p. 4 (book page 50)
  • ch. 6, Floodplains, Natural Levees and Point Bars, p. 4 (book page 50)
  • ch. 6, Meanders, p. 5 (book page 51)

Certificate Physical and Human Geography · Goh Cheng Leong

  • ch. 5, Landforms Made by Running Water

India: Physical Environment, Class XI, chapter 3: Drainage System (2026-27)

  • ch. 3, Important Drainage Patterns, p. 1-2 (book pages 17-18)