Part of: Mizoram Gk set 7

What is the primary characteristic of intermontane basins in Mizoram, such as the Aizawl Basin?

Category: Mizoram Gk

Hint: Consider the topographical features that make these basins suitable for human activities.

Correct Answer: C) They have relatively flat terrain compared to the surrounding hills, making them suitable for cultivation and habitation.

Exam Relevance: UPSC, SSC, State PSC

Difficulty: Moderate

Explanations:

Intermontane basins are depressions or valleys that are located between mountain ranges. In the context of Mizoram, these basins, such as the Aizawl Basin, are characterized by their relatively flat terrain compared to the surrounding hills. This topographical feature is crucial for understanding the suitability of these areas for human habitation and agricultural activities.

The primary characteristic of intermontane basins in Mizoram is their relatively flat terrain. This flatness is a result of the geological processes that have shaped the landscape over time. The surrounding hills and mountains have created a natural depression where the land is more level, providing a more stable and accessible environment for human activities.

One of the key reasons why these basins are suitable for cultivation and habitation is the availability of flat land. In mountainous regions, flat land is often scarce, making it difficult to establish settlements and agricultural activities. However, the intermontane basins in Mizoram provide a more level surface, which is conducive to farming and the construction of infrastructure such as houses, roads, and other facilities.

Additionally, the flat terrain in these basins often has fertile soil, which is essential for agriculture. The surrounding hills and mountains can contribute to the formation of rich soil through processes such as erosion and sedimentation. This fertile soil, combined with the flat terrain, makes these basins ideal for growing crops and supporting a larger population.

It is important to note that while these basins may have dense forests, they are not entirely uninhabited. The flat terrain allows for the establishment of human settlements, and the forests can provide resources such as timber and non-timber forest products. The combination of flat land and forest resources makes these basins valuable for both agricultural and economic activities.

Furthermore, the intermontane basins in Mizoram are not primarily known for mineral extraction. While there may be some mineral deposits in the region, the primary characteristic of these basins is their suitability for agriculture and habitation. The flat terrain and fertile soil are the key factors that make these areas valuable for human activities.

In summary, the primary characteristic of intermontane basins in Mizoram, such as the Aizawl Basin, is their relatively flat terrain compared to the surrounding hills. This flatness makes them suitable for cultivation and habitation, providing a stable and accessible environment for human activities. Understanding this topographical feature is essential for comprehending the geographical and socio-economic aspects of these regions.

Option Analysis:
  • Option A: This option is incorrect because intermontane basins in Mizoram, such as the Aizawl Basin, are not extremely rugged. Instead, they have relatively flat terrain that is suitable for habitation and cultivation.
  • Option B: This option is incorrect because while these basins may have dense forests, they are not devoid of human settlements. The flat terrain makes them suitable for both habitation and cultivation.
  • Option C: This option is correct because intermontane basins in Mizoram, such as the Aizawl Basin, have relatively flat terrain compared to the surrounding hills, making them suitable for cultivation and habitation.
  • Option D: This option is incorrect because intermontane basins in Mizoram are not primarily known for mineral extraction. Their primary characteristic is their relatively flat terrain, which is more suitable for agriculture and human settlement.

Mnemonic: Flat basins, fertile lands, human habitation.

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