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Rajasthan GK Quiz — प्रमुख मृदा संसाधन (Soil Resources)
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Rajasthan GK Quiz — प्रमुख मृदा संसाधन (Soil Resources)

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15 mins
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15
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1
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Rajasthan GK Quiz — प्रमुख मृदा संसाधन (Soil Resources) — Questions with Answers Open after you finish the quiz — all 15 questions, with answers and explanations.
Q1. Which major river basin in eastern Rajasthan, other than Chambal, is known for its fertile alluvial deposits, supporting intensive agriculture?
  1. Luni Basin
  2. Ghaggar Basin
  3. Banas Basin
  4. Mahi Basin
Show answer
Answer: C. Banas Basin
The Banas River Basin in eastern Rajasthan is known for its fertile alluvial soils, supporting intensive agriculture.
Q2. Which type of soil in Rajasthan is formed from the weathering of basaltic rocks, primarily found in the Hadoti plateau?
  1. Red Loamy Soil
  2. Alluvial Soil
  3. Black Soil
  4. Desert Soil
Show answer
Answer: C. Black Soil
Black soils (Vertisols) in the Hadoti plateau are primarily formed from the weathering of basaltic rocks.
Q3. The problem of 'gully erosion' (अवनालिका अपरदन) is most severe in which river basin of Rajasthan, leading to the formation of 'badlands' (बीहड़)?
  1. Luni Basin
  2. Banas Basin
  3. Chambal Basin
  4. Mahi Basin
Show answer
Answer: C. Chambal Basin
Gully erosion is most severe in the Chambal Basin, leading to extensive 'badlands' or 'beehad' formation.
Q4. Which USDA soil order is most prevalent in the arid and semi-arid regions of western Rajasthan, characterized by dry conditions?
  1. Aridisols
  2. Alfisols
  3. Vertisols
  4. Inceptisols
Show answer
Answer: A. Aridisols
Aridisols are the dominant soil order in the arid and semi-arid regions of western Rajasthan, reflecting dry climatic conditions.
Q5. The 'Grey-Brown Loamy Soil' (भूरी रेतीली मृदा) is found in parts of which district of Rajasthan, suitable for crops like barley and gram?
  1. Bikaner
  2. Jaisalmer
  3. Sikar
  4. Barmer
Show answer
Answer: C. Sikar
Grey-Brown Loamy Soil, suitable for barley and gram, is found in parts of Sikar, Jhunjhunu, and Nagaur districts.
Q6. Which soil type in Rajasthan is characterized by a high content of calcium carbonate concretions (kankar) in its lower horizons?
  1. Alluvial Soil
  2. Black Soil
  3. Desert Soil
  4. Red Loamy Soil
Show answer
Answer: C. Desert Soil
Desert soils in Rajasthan often have a high content of calcium carbonate concretions (kankar) in their lower horizons.
Q7. The 'Red Loamy Soil' (लाल दोमट मृदा) in Rajasthan is primarily found in which geographical division?
  1. Western Desert
  2. Eastern Plains
  3. Southern Aravalli Region
  4. Hadoti Plateau
Show answer
Answer: C. Southern Aravalli Region
Red Loamy Soil is primarily found in the Southern Aravalli Region, covering districts like Udaipur, Dungarpur, and Banswara.
Q8. Which soil conservation method involves growing different crops in alternating strips to prevent wind and water erosion?
  1. Contour Ploughing
  2. Strip Cropping
  3. Terrace Farming
  4. Gully Plugging
Show answer
Answer: B. Strip Cropping
Strip cropping is a method where different crops are grown in alternating strips to reduce soil erosion by wind and water.
Q9. The 'Yellowish-Brown Soil' (पीली-भूरी मृदा) in Rajasthan is typically found in which geographical division?
  1. Western Desert
  2. Aravalli Range
  3. Eastern Plains
  4. Hadoti Plateau
Show answer
Answer: C. Eastern Plains
Yellowish-Brown Soil is typically found in the Eastern Plains of Rajasthan, particularly in districts like Jaipur, Alwar, and Dausa.
Q10. What is the primary reason for the low water retention capacity of sandy soils in western Rajasthan?
  1. High clay content
  2. High organic matter
  3. Large particle size
  4. Presence of gypsum
Show answer
Answer: C. Large particle size
The large particle size of sandy soils leads to high porosity and rapid drainage, resulting in low water retention capacity.
Q11. Which soil type in Rajasthan is generally poor in nitrogen and organic matter but rich in calcium carbonate?
  1. Alluvial Soil
  2. Black Soil
  3. Desert Soil
  4. Red Loamy Soil
Show answer
Answer: C. Desert Soil
Desert soils are typically poor in nitrogen and organic matter but often have high calcium carbonate content.
Q12. The 'Red and Yellow Soil' (लाल व पीली मृदा) in Rajasthan is formed from the weathering of which type of rocks?
  1. Basalt and Limestone
  2. Granite and Gneiss
  3. Sandstone and Shale
  4. Quartzite and Marble
Show answer
Answer: B. Granite and Gneiss
Red and Yellow Soils in Rajasthan are primarily formed from the weathering of granite and gneiss rocks.
Q13. Which USDA soil order, characterized by a significant accumulation of clay in the subsoil (argillic horizon), is found in the eastern plains and Aravalli foothills of Rajasthan?
  1. Aridisols
  2. Entisols
  3. Alfisols
  4. Vertisols
Show answer
Answer: C. Alfisols
Alfisols are typically found in the eastern plains and Aravalli foothills of Rajasthan, characterized by an argillic horizon.
Q14. In Rajasthan, the problem of 'Reh' or 'Kallar' (saline-alkaline) soils is exacerbated by which agricultural practice, especially in canal-irrigated areas?
  1. Crop rotation
  2. Excessive irrigation
  3. Organic farming
  4. Dryland farming
Show answer
Answer: B. Excessive irrigation
Excessive irrigation, particularly in canal-irrigated areas, leads to waterlogging and capillary action, exacerbating the problem of saline-alkaline soils.
Q15. Which soil conservation technique involves constructing small earthen barriers across the slope of the land to slow down water flow and prevent soil erosion?
  1. Strip Cropping
  2. Shelterbelts
  3. Contour Bunding
  4. Terrace Farming
Show answer
Answer: C. Contour Bunding
Contour bunding involves building earthen barriers along contour lines to reduce water runoff and soil erosion.
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