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UPSC Combined Geo-Scientist

Chemist

  • 2 objective papers
  • 120 questions each
  • 2 h per paper
  • 100 + 300 marks

Prelims Paper I covers general studies.

UPSC Combined Geo-Scientist, Prelims · 2020 · Paper I, General Studies · Q19 of 120

Geo-Scientist Prelims 2020 General Studies Q19: Bog ecosystem wetland receives water only from:

QuestionEcology / wetlands

Bog ecosystem wetland receives water only from:

  1. (a) Rain
  2. (b) Streams
  3. (c) Rivers
  4. (d) Groundwater

Answer: (a) Rain

A bog is ombrotrophic: it gets water only from precipitation (rain, snow). So it is acidic, nutrient-poor and dominated by Sphagnum moss and peat. A fen gets ground or surface water and is less acidic.

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