Soil: IAS Exam Geography

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Questions and Answers

What is the main characteristic of Red and Black Soil in India?

  • Formed over limestone and shale
  • Contains high amounts of iron oxide (correct)
  • High productivity without irrigation
  • Found mainly in the Tarai region

Which type of soil in India is unsuitable for crops due to being immature?

  • Snowfields (correct)
  • Mountain Soil
  • Laterite Soil
  • Desert Soil

What type of soil is characterized by its composition of fine silt, clay, and boulder gravels, along with fossils?

  • Saline and Alkaline Soils
  • Peaty and Marshy Soils
  • Karewa Soil (correct)
  • Red and Yellow Soil

Where are Submontane Soils found in India?

<p>Tarai region stretching from Jammu and Kashmir to Assam (C)</p> Signup and view all the answers

Which classification system is used by the Indian Council of Agricultural Research (ICAR) to classify Indian soil?

<p>USDA Soil Taxonomy (B)</p> Signup and view all the answers

What characterizes Grey and Brown Soil found in Rajasthan and Gujarat?

<p>Supports luxuriant forest growth (A)</p> Signup and view all the answers

What is soil primarily composed of?

<p>Mineral particles, organic matter, water, air, and living organisms (B)</p> Signup and view all the answers

What is the vertical cross-section of soil called?

<p>Horizon (A)</p> Signup and view all the answers

Which of the following is NOT a factor influencing soil formation?

<p>Human activity (D)</p> Signup and view all the answers

What contributes to the complex process of soil formation known as 'pedogenesis'?

<p>All elements of the natural environment (A)</p> Signup and view all the answers

In ancient times in India, how were soils primarily classified?

<p>Fertile and sterile (A)</p> Signup and view all the answers

What lies underneath the different horizons in the soil profile?

<p>Parent rock or bedrock (D)</p> Signup and view all the answers

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