Match the physiographic features with the physiographic divisions.

A. Duns	1. The Indian Desert
B. Molassis basin	2. The Northern Mountains
C. Barchans	3. The Eastern Hills

Correct option is B

Correct Answer: Option (B) (A)-(2), (B)-(3), (C)-(1)
Explanation:
→ A. Duns refers to a type of valley, generally found in the Northern Mountains region of India, particularly in the outer Himalayas. These valleys are typically formed by rivers and are characterized by a flat, low-lying area. Therefore, Duns is matched with the Northern Mountains.
→ B. Molassis basin refers to a type of basin found in the Eastern Hills region. These basins are formed due to the erosion of the surrounding mountains and the deposition of sediments, typically in areas like the foothills of the Himalayas. The Molassis basin is associated with this region, hence it is matched with Eastern Hills.
→ C. Barchans are crescent-shaped sand dunes that form in arid regions, such as the Indian Desert (Rajasthan and surrounding areas). These dunes are typically formed by the wind, and Barchans are characteristic of desert regions.
Information Booster:
→ Duns are valleys between mountain ranges, especially noticeable in the Himalayan region. The term "Dun" is used for areas like the Dehra Dun or Kotli Dun, located in the foothills of the Northern Himalayas.
→ The Molassis basin is formed from the deposition of eroded material over time. It is typically found at the foothills of mountain ranges where rivers or streams have carried sediments.
→ Barchans are a feature of deserts and are characterized by their crescent shape. They occur when wind blows sand into dunes. The Indian Desert (Rajasthan) is known for its sand dunes, including barchans.
→ The Northern Mountains include the Himalayan ranges and their foothills, which feature Duns as well as other landforms like valleys and hill slopes.
→ The Eastern Hills are part of the broader Himalayan region, and the Molassis basin is found in the foothills of this region, primarily in parts of Assam and West Bengal.