Part of: Miscellaneous Indian Gk set 316

Identify the soil: develops in areas with high temperature and heavy rainfall, is low in humus content &found in the hilly areas of Karnataka, Kerala and Tamil Nadu

Category: Miscellaneous Indian Gk

Hint: Consider the environmental conditions and the regions where the soil is found.

Correct Answer: D) Laterite soil.

Exam Relevance: UPSC, SSC, Bank PO, State PSC

Difficulty: Moderate

Explanations:

Laterite soil is a type of soil that forms under specific environmental conditions, primarily in tropical and subtropical regions. The formation of laterite soil is influenced by high temperatures and heavy rainfall, which lead to intense leaching processes. This leaching removes soluble minerals and organic matter from the soil, leaving behind a layer rich in iron and aluminum oxides. As a result, laterite soil is typically reddish-brown in color and has a low humus content.

The geographical distribution of laterite soil is closely tied to the climatic conditions that favor its formation. In India, laterite soil is commonly found in the hilly areas of Karnataka, Kerala, and Tamil Nadu. These regions experience high temperatures and heavy rainfall, which are conducive to the formation of laterite soil. The hilly terrain also contributes to the formation of laterite soil by promoting rapid drainage and leaching.

Understanding the characteristics and distribution of laterite soil is important for various applications, including agriculture, construction, and environmental management. Laterite soil is often used in construction due to its hardening properties when exposed to air. However, its low humus content and poor water retention make it less suitable for agriculture without proper soil management practices.

It is important to distinguish laterite soil from other soil types found in India, such as black soil, yellow soil, and forest soil. Black soil, for example, is known for its high humus content and is found in regions like Maharashtra and Madhya Pradesh. Yellow soil, on the other hand, is typically found in drier regions and does not match the environmental conditions described for laterite soil. Forest soil, which is rich in humus, is typically found in dense forest areas and does not match the low humus content and geographical distribution of laterite soil.

In summary, laterite soil is characterized by its formation in areas with high temperatures and heavy rainfall, low humus content, and its presence in the hilly areas of Karnataka, Kerala, and Tamil Nadu. Understanding these characteristics is crucial for identifying and managing this soil type effectively.

Option Analysis:
  • Option A: Forest soil is incorrect because it is rich in humus and typically found in dense forest areas, not in the hilly regions of Karnataka, Kerala, and Tamil Nadu with high rainfall and low humus content.
  • Option B: Yellow soil is incorrect because it is not associated with the high rainfall and low humus content described. Yellow soil is typically found in drier regions and does not match the geographical distribution mentioned.
  • Option C: Black soil is incorrect because it is known for its high humus content and is found in regions like Maharashtra and Madhya Pradesh, not in the hilly areas of Karnataka, Kerala, and Tamil Nadu.
  • Option D: Laterite soil is the correct answer because it develops in areas with high temperatures and heavy rainfall, has low humus content, and is found in the hilly areas of Karnataka, Kerala, and Tamil Nadu.

Mnemonic: L - Laterite: L for Low Humus, L for Leaching, L for Lush Rainfall

Back to Miscellaneous Indian Gk set 316 – Practice all questions