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State PSC Physical Geography — practice questions — page 30

Explore 928 free Physical Geography questions in State PSC Geography. Open each question or exercise to read its content, reference answers and available explanation.

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Physical Geography questions and exercises with answers

Showing questions 871–900 of 928.

Breaking down of rocks by wind, water and climate to form soil is:Read the answer and worked solution →A vertical section through the layers of soil is the:Read the answer and worked solution →The dark, humus-rich uppermost soil layer is the:Read the answer and worked solution →Which soil horizon has less humus but more minerals and is harder and compact?Read the answer and worked solution →The soil layer made of small lumps of rock with cracks and crevices is the:Read the answer and worked solution →The rock from which soil particles were formed is called the:Read the answer and worked solution →Soil with a greater proportion of big particles is:Read the answer and worked solution →Soil in which large and fine particles are in about equal amount is:Read the answer and worked solution →Sandy soils are light, dry and:Read the answer and worked solution →Clayey soils are heavy because they:Read the answer and worked solution →The best topsoil for growing plants is:Read the answer and worked solution →Silt, whose particle size lies between sand and clay, is deposited in:Read the answer and worked solution →If 200 mL of water takes 20 minutes to percolate through soil, the percolation rate is:Read the answer and worked solution →Air above farmland shimmers on a hot day because:Read the answer and worked solution →Soils rich in clay and organic matter with good water retention are ideal for:Read the answer and worked solution →Lentils and other pulses need which soil that drains water easily?Read the answer and worked solution →Cotton grows best in loam or:Read the answer and worked solution →Potters of Sohagpur mix burnt horse dung into black soil to:Read the answer and worked solution →Sohagpur, famous for its surahis and matkas, is in:Read the answer and worked solution →Removal of land surface by water, wind or ice is:Read the answer and worked solution →Soil erosion is most severe in areas with little or no:Read the answer and worked solution →Catch the soil profile layersRead the answer and worked solution →Pop the soil shapersRead the answer and worked solution →Run the soil typesRead the answer and worked solution →Slice the soil wordsRead the answer and worked solution →Sandy or clayeyRead the answer and worked solution →Sort the soil horizonsRead the answer and worked solution →Type the numberRead the answer and worked solution →Soil bingoRead the answer and worked solution →The United Nations recommends a minimum of how much water per person per day for drinking, washing and hygiene?Read the answer and worked solution →

Worked practice questions

Breaking down of rocks by wind, water and climate to form soil is:

  1. Harvesting
  2. Weathering
  3. Percolation
  4. Irrigation
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Correct answer: B. Weathering

1. Soil forms from parent rock. 2. The breaking process is weathering. 3. Vegetation also shapes the soil. _Source: syllabus Science, Chapter 9, Soil._

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A vertical section through the layers of soil is the:

  1. Soil profile
  2. Soil horizon
  3. Water table
  4. Bedrock line
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Correct answer: A. Soil profile

1. It can be seen at a dug ditch or river bank. 2. The section is the soil profile. 3. Each layer is a horizon. _Source: syllabus Science, Chapter 9, Soil._

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The dark, humus-rich uppermost soil layer is the:

  1. Bedrock
  2. A-horizon
  3. B-horizon
  4. C-horizon
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Correct answer: B. A-horizon

1. It is soft, porous and holds water. 2. The topsoil is the A-horizon. 3. Worms, rodents and beetles live in it. _Source: syllabus Science, Chapter 9, Soil._

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