Soils and Agricultural Geography - Question Bank
1. Soils developed under grasslands are typically known for their:
2. The agricultural practice of planting crops on steep slopes after cutting steps into the land is called:
3. Which soil order is characterized by the presence of permafrost and is found in cold, treeless regions?
4. The term 'arable land' refers to land that is:
5. Which agricultural practice helps in maintaining soil fertility and structure by incorporating crop residues back into the soil?
6. What is the term for the study of soils, including their formation, classification, and agricultural potential?
7. Soils with a high organic matter content tend to have:
8. Which soil conservation technique involves planting trees or shrubs around fields to protect against wind erosion?
9. The geological process that creates new soil by breaking down rocks is:
10. Which of the following is a type of intensive farming often practiced in areas with limited land and high population density?
11. The 'B' horizon, or subsoil, is primarily characterized by:
12. Soils rich in humus are generally:
13. What is the primary cause of waterlogging in agricultural fields?
14. Which term describes the process where fertile topsoil is lost due to unsustainable farming, leading to reduced agricultural productivity?
15. The impact of farming practices on soil health is a central concern in:
16. Which soil type is characterized by a smooth, soapy feel when moist and is sticky when wet?
17. The process of removing excess water from saturated soil is called:
18. Which agricultural region is characterized by extensive cultivation of grains like wheat and corn on large, flat plains?
19. The ability of soil to support plant growth is known as:
20. Soils formed from the weathering of basaltic rocks are typically rich in:
21. Which soil horizon is the least weathered and most resembles the parent material?
22. The practice of growing different crops in the same area in sequenced seasons is known as:
23. Which type of agriculture focuses on cultivating crops that are adapted to the local climate and soil conditions, often with minimal external inputs?
24. The process of converting dead organic matter into stable humus is called:
25. What is the ideal soil texture for most agricultural crops, balancing water retention and drainage?
26. Which soil type has a gritty feel and is formed from the weathering of rocks like granite?
27. A soil profile is a vertical cross-section of the soil, showing its different:
28. The breakdown of rocks and minerals into smaller particles by physical, chemical, and biological processes is called:
29. Which factor is most critical for the successful cultivation of rice in most regions?
30. Chernozems, known for their high fertility, are characteristic soils of:
31. Agricultural land that is no longer productive due to soil degradation or desertification is referred to as:
32. The accumulation of salts in the upper layers of soil, often due to poor irrigation practices in arid and semi-arid regions, is known as:
33. Which type of soil erosion involves the removal of a thin layer of topsoil over a wide area?
34. The process of adding organic matter to soil to improve its fertility and structure is called:
35. Which agricultural practice aims to prevent soil erosion by planting crops in alternating strips along contours?
36. Podzol soils are typically found in:
37. The pH of soil primarily affects:
38. Which soil horizon is the zone of eluviation, where materials are removed by leaching?
39. The 'O' horizon in a soil profile consists mainly of:
40. Which of the following is NOT a major factor influencing soil formation?
41. Soils with a high proportion of sand particles are generally:
42. What is the primary factor determining the texture of a soil?
43. The parent material from which soil is formed is also referred to as:
44. Black soils, also known as Regur, are best suited for the cultivation of:
45. Which soil type is known for its high clay content, poor drainage, and often reddish color due to iron oxides, prevalent in tropical and subtropical regions?
46. Alluvial soils are primarily found in:
47. Which type of soil is formed from the decomposition of organic matter and is typically dark in color and nutrient-rich?
48. The process by which soil particles are transported by wind or water is known as:
49. Which soil horizon is characterized by accumulation of leached materials, typically lighter in color?
50. What is the uppermost layer of the Earth's crust, rich in organic matter and minerals, called?