Part of: Miscellaneous Indian Gk set 120

Average height of Aravalli range hills progressively increases or decreases from South West(Gujarat East) to North East(South Delhi)?

Category: Miscellaneous Indian Gk

Hint: Consider the general trend of elevation changes in the Aravalli Range.

Correct Answer: B) Decreases

Exam Relevance: UPSC, SSC, State PSC

Difficulty: Easy

Explanations:

The Aravalli Range is a significant geological feature in western India, stretching from the southwest in Gujarat to the northeast in Rajasthan and Haryana. The range is an ancient mountain system, formed over 1.8 billion years ago, and it plays a crucial role in the geography and climate of the region.

Understanding the elevation changes within the Aravalli Range is essential for comprehending its geographical characteristics. The range begins in the southwest at a relatively higher elevation and gradually decreases in height as it moves northeastward. This trend is due to the geological processes that have shaped the range over millions of years, including erosion and tectonic activity.

The highest peak in the Aravalli Range is Guru Shikhar, located in Mount Abu, Rajasthan, which stands at approximately 1,722 meters (5,650 feet) above sea level. As the range extends towards the northeast, the elevation decreases, with the hills becoming progressively lower. This decrease in elevation is a result of the natural processes of erosion and the gradual flattening of the landscape over time.

It is important to note that while the average height of the Aravalli Range decreases from southwest to northeast, there can be variations in elevation within the range. Local geological features and specific formations can cause some areas to have higher elevations than others. However, the overall trend is a decrease in height as one moves from the southwest to the northeast.

Understanding this trend is crucial for students studying Indian geography, as it helps in comprehending the broader geographical and climatic patterns of the region. The Aravalli Range influences the climate, water resources, and biodiversity of the areas it passes through, making it a significant geographical feature to study.

Option Analysis:
  • Option A: This option is incorrect because the average height of the Aravalli Range does not increase from southwest to northeast. The range actually decreases in height as it moves from the southwest in Gujarat to the northeast in South Delhi.
  • Option B: This option is correct because the average height of the Aravalli Range decreases from southwest to northeast. The range starts at a higher elevation in Gujarat and gradually decreases in height as it extends towards South Delhi.

Mnemonic: Remember: "A" for Aravalli, "D" for Decrease.

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