Assam’s Districts & Geography
Which river in Assam originates from Tibet?
  • Subansiri River
Explanation: The Brahmaputra River originates from the Angsi Glacier in Tibet, where it is known as the Yarlung Tsangpo. It enters India through Arunachal Pradesh as the Siang River before flowing into Assam. The Brahmaputra is one of the major rivers of Assam and is considered its lifeline.
Which river separates the North and South Banks of Assam?
  • Manas River
  • Barak River
  • Subansiri River
  • Brahmaputra River
Explanation: The Brahmaputra River is the main river of Assam and flows from east to west, dividing the state into North Bank and South Bank regions. The North Bank consists of districts like Lakhimpur, Sonitpur, and Dhemaji, while the South Bank includes districts like Kamrup, Dibrugarh, and Barpeta. This division plays a significant role in Assam’s geography, transport, and economy.
Which major tributary of the Brahmaputra flows through Kaziranga National Park?
  • Manas River
  • Dhansiri River
  • Kopili River
  • Subansiri River
Explanation: The Dhansiri River is a major tributary of the Brahmaputra River that flows through Kaziranga National Park, one of India's most famous wildlife sanctuaries. Originating in Nagaland, it enters Assam and forms the eastern boundary of Kaziranga. The river is vital for the park's ecosystem, providing water to wetlands that support diverse wildlife, including the Indian one-horned rhinoceros, elephants, and tigers.
The Dhansiri River is a tributary of which major river?
  • Manas River
  • Subansiri River
  • Brahmaputra River
  • Kopili River
Explanation: The Dhansiri River is an important tributary of the Brahmaputra River. It originates in the Laisang Peak of Nagaland and flows through Nagaland and Assam, entering the Brahmaputra near the town of Golaghat. The river plays a crucial role in the ecosystem of Kaziranga National Park, supporting wetlands and wildlife.
Which river forms the eastern boundary of Assam?
  • Lohit River
  • Manas River
  • Barak River
  • Jhanji River
Explanation: The Lohit River forms the eastern boundary of Assam, entering the state from Arunachal Pradesh before merging with the Brahmaputra. It is one of the main tributaries of the Brahmaputra River and flows through the easternmost region of Assam, particularly in the Tinsukia district.
Which river meets the Brahmaputra at Dhubri?
  • Teesta River
  • Manas River
  • Barak River
  • Subansiri River
Explanation: The Teesta River meets the Brahmaputra River near Dhubri in Assam. The Teesta originates in the Himalayas in Sikkim and North Bengal, flowing through West Bengal before joining the Brahmaputra in Assam. Other options: Manas River – A major tributary of the Brahmaputra, but it meets the Brahmaputra further upstream. Barak River – Flows in Barak Valley and later becomes the Meghna River in Bangladesh. It does not meet the Brahmaputra. Subansiri River – A major tributary of the Brahmaputra, but it joins near Lakhimpur, not Dhubri.
The Kopili River is a tributary of which river?
  • Brahmaputra River
  • Subansiri River
  • Manas River
  • Dhansiri River
  • Explanation: The Kopili River is a tributary of the Brahmaputra River. It flows through Assam and Meghalaya, contributing to the Brahmaputra’s flow with its waters before merging into the main river.