Soil Geography — Prelims Questions

Which of the following statements about Black Soils (Regur Soils) in India is/are correct? 1. They are derived from the weathering of basaltic rocks. 2. They are highly retentive of moisture and develop deep cracks when dry. 3. They are rich in nitrogen and phosphorus but poor in lime and potash. 4. They are primarily found in the Indo-Gangetic plains. Select the correct answer using the code given below:

Consider the following factors: 1. Climate 2. Organisms 3. Relief 4. Parent Material 5. Time Which of the above factors are considered primary factors in the process of pedogenesis (soil formation)?

Laterite soils are generally found in regions with: 1. High temperature and heavy rainfall. 2. Intense leaching of silica. 3. Abundant organic matter content. 4. Formation from basaltic rocks. Which of the above statements are correct?

Which of the following is NOT a primary objective of the Soil Health Card (SHC) scheme?

Consider the following pairs: Soil Type Region of Predominance 1. Alluvial Soils: Indo-Gangetic Plains 2. Black Soils: Deccan Trap 3. Laterite Soils: Western Ghats 4. Arid Soils: Chota Nagpur Plateau How many of the above pairs are correctly matched?