With reference to the river Brahmaputra, consider the following statements: 1. It is known as the Tsang Po in Tibet. 2. It is known as the Padma in Bangladesh. 3. It forms many riverine islands in Assam. Which of the statements given above is/are correct?

The correct option is (c). Explanation The Brahmaputra is a major trans-boundary river originating from the Chemayungdung Glacier near Mansarovar Lake in the Kailash range. It traverses three countries-China (Tibet), India, and Bangladesh-adopting different names and characteristics in each region. - Statement 1 is Correct: In Tibet, the river flows eastward parallel to the Himalayas and is known as the Tsang Po (meaning 'The Purifier'). It enters India through Arunachal Pradesh, where it is initially called the Siang or Dihang. - Statement 2 is Incorrect: Upon entering Bangladesh, the Brahmaputra is known as the Jamuna. The Padma is the name given to the river Ganga after it enters Bangladesh. The Jamuna eventually merges with the Padma, and their combined stream joins the Meghna before draining into the Bay of Bengal. - Statement 3 is Correct: In the Assam valley, the Brahmaputra forms a braided channel due to the high sediment load and gentle gradient. This deposition leads to the formation of numerous riverine islands. Majuli, located in the Brahmaputra river in Assam, is recognized as the world's largest inhabited riverine island. Key Takeaway: The nomenclature of the river changes along its course: Tsang Po (Tibet) → Siang/Dihang (Arunachal Pradesh) → Brahmaputra (Assam) → Jamuna (Bangladesh). Its braided nature in Assam facilitates the formation of riverine islands.

With reference to the river Brahmaputra, consider... - NCERT Class 9 Geography MCQ

Solution

The correct option is (c).

Explanation

The Brahmaputra is a major trans-boundary river originating from the Chemayungdung Glacier near Mansarovar Lake in the Kailash range. It traverses three countries-China (Tibet), India, and Bangladesh-adopting different names and characteristics in each region.

Statement 1 is Correct: In Tibet, the river flows eastward parallel to the Himalayas and is known as the Tsang Po (meaning 'The Purifier'). It enters India through Arunachal Pradesh, where it is initially called the Siang or Dihang.
Statement 2 is Incorrect: Upon entering Bangladesh, the Brahmaputra is known as the Jamuna. The Padma is the name given to the river Ganga after it enters Bangladesh. The Jamuna eventually merges with the Padma, and their combined stream joins the Meghna before draining into the Bay of Bengal.
Statement 3 is Correct: In the Assam valley, the Brahmaputra forms a braided channel due to the high sediment load and gentle gradient. This deposition leads to the formation of numerous riverine islands. Majuli, located in the Brahmaputra river in Assam, is recognized as the world's largest inhabited riverine island.

Key Takeaway: The nomenclature of the river changes along its course: Tsang Po (Tibet) → Siang/Dihang (Arunachal Pradesh) → Brahmaputra (Assam) → Jamuna (Bangladesh). Its braided nature in Assam facilitates the formation of riverine islands.

NCERT Class 9 Geography — Chapter 3: Drainage

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