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UPSC CDS Agriculture — practice questions — page 8

Explore 263 free Agriculture questions in UPSC CDS Geography. Open each question or exercise to read its content, reference answers and available explanation.

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Agriculture questions and exercises with answers

Showing questions 211–240 of 263.

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 →The UN minimum of 50 litres a day is about how many buckets of water?Read the answer and worked solution →In a few years, what share of the world's people could face water scarcity?Read the answer and worked solution →About what share of the earth's surface is covered with water?Read the answer and worked solution →Water fit for human use is:Read the answer and worked solution →Usable water on earth is roughly what share of all water?Read the answer and worked solution →

Worked practice questions

The rock from which soil particles were formed is called the:

  1. Parent rock
  2. Basalt rock
  3. Granite rock
  4. Marble rock
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Correct answer: A. Parent rock

1. It decides the sand and clay proportion. 2. This is the parent rock. 3. Weathering breaks it into particles. _Source: syllabus Science, Chapter 9, Soil._

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Soil with a greater proportion of big particles is:

  1. Silty
  2. Sandy
  3. Clayey
  4. Loamy
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Correct answer: B. Sandy

1. Big particles leave air spaces. 2. Such soil is sandy. 3. It drains quickly. _Source: syllabus Science, Chapter 9, Soil._

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Soil in which large and fine particles are in about equal amount is:

  1. Clayey
  2. Rocky
  3. Loamy
  4. Sandy
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Correct answer: C. Loamy

1. Fine particles alone make clayey soil. 2. An equal mix is loamy. 3. Loam also contains silt and humus. _Source: syllabus Science, Chapter 9, Soil._

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