Brahmaputra River System MCQs
1. The Brahmaputra river originates from which glacier?
The Brahmaputra originates from the Chemayungdung glacier of the Kailash range near the Mansarovar lake.
2. In Tibet, the Brahmaputra river is known as?
In Tibet, it is known as the Yarlung Tsangpo, which means "The Purifier".
3. The river enters India through which state?
The river enters India in Arunachal Pradesh where it is initially called Siang or Dihang.
4. Near which mountain peak does the Brahmaputra take a U-turn into India?
The river takes a sharp U-turn (the Great Bend) around Mt. Namcha Barwa before entering India.
5. Which two rivers join the Dihang/Siang to form the Brahmaputra?
From Sadiya onwards, after the confluence of Dibang and Lohit with the Siang, the river is known as the Brahmaputra.
6. Which is the largest river island in the world located in the Brahmaputra?
Majuli in Assam is the largest inhabited river island in the world.
7. In Bangladesh, the Brahmaputra river is known as?
After entering Bangladesh, the river takes the name Jamuna.
8. The Teesta river joins the Brahmaputra in which country?
The Teesta river joins the Jamuna (Brahmaputra) in Bangladesh.
9. Which bridge connects Dhola and Sadiya across the Lohit river?
The Dhola-Sadiya Bridge, also known as the Bhupen Hazarika Setu, is the longest bridge in India over water.
10. Which is the longest tributary of the Brahmaputra?
The Subansiri is the largest/longest tributary of the Brahmaputra.
11. Which river is known as the "River of Blood"?
The Lohit river is often called the "River of Blood" because of the lateritic soil in its basin that turns the water red during floods.
12. National Waterway 2 (NW-2) stretches from?
NW-2 is an 891 km stretch on the Brahmaputra river from Sadiya to Dhubri in Assam.
13. The smallest inhabited river island 'Umananda' is located near?
The Peacock Island or Umananda is situated in the middle of the river Brahmaputra at Guwahati.
14. The combined stream of the Ganga (Padma) and Brahmaputra (Jamuna) is known as?
*Correction*: They first meet to form the Padma. Then, after joining with the Meghna river, the combined stream is called the Meghna which flows into the Bay of Bengal. In the context of the final stream, the answer is Meghna.
15. The Bogibeel Bridge connects which two districts of Assam?
The Bogibeel Bridge is the longest rail-cum-road bridge in India connecting Dibrugarh and Dhemaji.
16. Which river flows through the Kaziranga National Park?
The Brahmaputra river forms the northern and eastern boundaries of the Kaziranga National Park.
17. Which city is NOT situated on the banks of the Brahmaputra?
Silchar is situated on the banks of the Barak River, not the Brahmaputra.
18. The river Brahmaputra is also known as the "_____ River".
It is often called the Red River due to the high sediment load of red soil it carries, especially during floods.
19. Which tributary of Brahmaputra flows through Bhutan and India?
The Manas river is a transboundary river in the Himalayan foothills between southern Bhutan and India.
20. The Brahmaputra is an example of which type of river?
Like the Indus and the Sutlej, the Brahmaputra is an antecedent river, meaning it existed before the Himalayas rose and cut its own path through them.
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🌊 Brahmaputra River System – Complete Exam-Oriented Notes
🔹 Origin
- Originates from Chemayungdung glacier near Mount Kailash in Tibet.
- Known as Yarlung Tsangpo in Tibet.
🔹 Course
- Flows east in Tibet → turns south at Namcha Barwa → enters Arunachal as Siang.
- Called Brahmaputra in Assam and Jamuna in Bangladesh.
- Merges with Ganga (Padma) and Meghna before draining into Bay of Bengal.
🔹 Major Tributaries
In Tibet:- Siang
- Nyamjang Chu
- Yarlung Chu
- Subansiri (largest by volume in India)
- Kameng
- Lohit
- Dhansiri
- Buri Dihing
- Jamuna (main channel)
- Teesta (from India)
- Padma, Meghna
🔹 Basin Details
| Parameter | Value |
|---|---|
| Total Length | ~2,900 km |
| Basin Area | ~5 lakh sq. km |
| Countries Covered | Tibet (China), India, Bangladesh |
| Indian States | Arunachal Pradesh, Assam, Meghalaya |
🔹 Unique Features
- One of the few rivers that flows east-west-south.
- Flows through Tsangpo Gorge – one of the deepest canyons in the world.
- Carries huge sediment load and has braided channels.
- Flood-prone due to high rainfall and snowmelt.
🔹 Economic Importance
- Irrigation for rice, jute, tea crops.
- Navigation in Assam – National Waterway 2.
- Hydropower potential – Subansiri, Siang projects.
- Fertile alluvial plains support agriculture.
🔹 Environmental & Strategic Concerns
- Annual monsoon floods in Assam & Bangladesh.
- Riverbank erosion displaces villages and agri-land.
- China's dam projects on Yarlung Tsangpo raise concerns.
- India-Bangladesh river-sharing disputes.
🔹 Quick Facts – One-Liners for MCQs
- Longest river in northeast India – Brahmaputra
- Brahmaputra means – Son of Brahma
- Only Indian river with male name – Brahmaputra
- Enters India at – Arunachal Pradesh (Kepang La)
- Enters Assam at – Sadiya
- Confluence of Siang, Lohit & Dibang – near Pasighat
- Meets Ganga at – Goalundo Ghat (Bangladesh)
- Brahmaputra delta name – Sunderbans (with Ganga)
- Famous island formed – Majuli (Assam)
🔹 UPSC/SSC PYQs (Previous Year Questions)
- Q1: The Brahmaputra River originates from:
👉 A. Tibet ✅ - Q2: Which tributary contributes maximum water to Brahmaputra in India?
👉 A. Subansiri ✅ - Q3: Tsangpo Gorge is associated with which river?
👉 A. Brahmaputra ✅ - Q4: Which Indian state is first entered by Brahmaputra?
👉 A. Arunachal Pradesh ✅ - Q5: Majuli island lies in which river?
👉 A. Brahmaputra ✅
🔹 People Also Ask (FAQs for Revision)
- Q: What is the name of Brahmaputra in Tibet?
A: Yarlung Tsangpo - Q: Is Brahmaputra longer than Ganga?
A: No, Ganga is longer in India. - Q: Which river forms a delta with Brahmaputra?
A: Ganga – forms Sunderban delta - Q: Does Brahmaputra cause floods?
A: Yes, it is flood-prone. - Q: Which river flows through three countries?
A: Brahmaputra – China (Tibet), India, Bangladesh.
🖚 Conclusion
The Brahmaputra River System is geographically unique, strategically important, and environmentally sensitive. Remember key facts like origin, tributaries, delta, islands, floods and international disputes for your next exam!