- Which is the longest river in Bhutan?
- A) Wangchhu
- B) Drangme Chhu
- C) Punatsangchhu
- D) Amo Chhu
Answer: B) Drangme Chhu
- Which river flows through the capital city, Thimphu?
- A) Wangchhu
- B) Punatsangchhu
- C) Manas River
- D) Drangme Chhu
Answer: A) Wangchhu
- Which river is known as the Sunkosh River in India?
- A) Punatsangchhu
- B) Wangchhu
- C) Amo Chhu
- D) Mangde Chhu
Answer: A) Punatsangchhu
- Which river forms part of Bhutan’s border with India?
- A) Wangchhu
- B) Drangme Chhu
- C) Manas River
- D) Mangde Chhu
Answer: C) Manas River
- Which river flows through Phuentsholing in Bhutan?
- A) Amo Chhu
- B) Wangchhu
- C) Mangde Chhu
- D) Drangme Chhu
Answer: A) Amo Chhu
- Which river is a major tributary of the Brahmaputra River?
- A) Manas River
- B) Punatsangchhu
- C) Drangme Chhu
- D) Amo Chhu
Answer: C) Drangme Chhu
- The Punatsangchhu River is important for which type of energy production?
- A) Solar power
- B) Hydroelectric power
- C) Wind power
- D) Thermal power
Answer: B) Hydroelectric power
- Which river is also known as the Torsa River in Bhutan?
- A) Manas River
- B) Amo Chhu
- C) Mangde Chhu
- D) Wangchhu
Answer: B) Amo Chhu
- Which river originates in the northern part of Bhutan and flows southward into India?
- A) Drangme Chhu
- B) Wangchhu
- C) Punatsangchhu
- D) Mangde Chhu
Answer: A) Drangme Chhu
- Which river is famous for the Jigme Dorji National Park?
- A) Wangchhu
- B) Punatsangchhu
- C) Mangde Chhu
- D) Manas River
Answer: A) Wangchhu
- Which river flows through the Trongsa district of Bhutan?
- A) Punatsangchhu
- B) Wangchhu
- C) Mangde Chhu
- D) Drangme Chhu
Answer: C) Mangde Chhu
- Which river forms the largest watershed in eastern Bhutan?
- A) Mangde Chhu
- B) Drangme Chhu
- C) Punatsangchhu
- D) Amo Chhu
Answer: B) Drangme Chhu
- The Amo Chhu River is important for trade with which country?
- A) India
- B) China
- C) Nepal
- D) Bangladesh
Answer: A) India
- Which river is associated with the Punakha Dzong?
- A) Mangde Chhu
- B) Punatsangchhu
- C) Wangchhu
- D) Drangme Chhu
Answer: B) Punatsangchhu
- The Mangde Chhu River is located primarily in which region of Bhutan?
- A) Eastern Bhutan
- B) Southern Bhutan
- C) Central Bhutan
- D) Northern Bhutan
Answer: C) Central Bhutan
- Which river is a tributary of the Manas River?
- A) Punatsangchhu
- B) Wangchhu
- C) Mangde Chhu
- D) Amo Chhu
Answer: C) Mangde Chhu
- Which river is known for its clean and fast-flowing waters, making it ideal for rafting?
- A) Drangme Chhu
- B) Wangchhu
- C) Mangde Chhu
- D) Punatsangchhu
Answer: D) Punatsangchhu
- The Manas River is designated as a UNESCO World Heritage Site due to its association with which national park?
- A) Jigme Dorji National Park
- B) Manas National Park
- C) Royal Manas National Park
- D) Sakteng Wildlife Sanctuary
Answer: C) Royal Manas National Park
- Which river’s basin covers the majority of western Bhutan?
- A) Punatsangchhu
- B) Wangchhu
- C) Drangme Chhu
- D) Amo Chhu
Answer: B) Wangchhu
- Which river plays a major role in the hydroelectric power projects along Bhutan’s southern border?
- A) Amo Chhu
- B) Punatsangchhu
- C) Wangchhu
- D) Drangme Chhu
Answer: B) Punatsangchhu
- Which river has a key role in the agricultural irrigation of Bhutan’s central valleys?
- A) Drangme Chhu
- B) Wangchhu
- C) Mangde Chhu
- D) Manas River
Answer: C) Mangde Chhu
- The Drangme Chhu is part of which larger river system?
- A) Mekong River
- B) Brahmaputra River
- C) Ganges River
- D) Yangtze River
Answer: B) Brahmaputra River
- Which river flows through Bhutan’s southern plains into India, where it is known as the Sankosh River?
- A) Wangchhu
- B) Drangme Chhu
- C) Punatsangchhu
- D) Mangde Chhu
Answer: C) Punatsangchhu
- Which river in Bhutan is closely associated with the ancient Buddhist monastery, Paro Taktsang?
- A) Punatsangchhu
- B) Wangchhu
- C) Mangde Chhu
- D) Drangme Chhu
Answer: B) Wangchhu
- Which river flows through the town of Samdrup Jongkhar in eastern Bhutan?
- A) Drangme Chhu
- B) Amo Chhu
- C) Mangde Chhu
- D) Manas River
Answer: D) Manas River
- The Punatsangchhu River is a result of the confluence of which two rivers?
- A) Thimchhu and Chhubachhu
- B) Pho Chhu and Mo Chhu
- C) Wangchhu and Amo Chhu
- D) Drangme Chhu and Sunkosh Chhu
Answer: B) Pho Chhu and Mo Chhu
- Which river originates in the Tibetan Plateau and flows into Bhutan?
- A) Drangme Chhu
- B) Amo Chhu
- C) Punatsangchhu
- D) Manas River
Answer: A) Drangme Chhu
- Which river supports several rice-growing valleys in western Bhutan?
- A) Wangchhu
- B) Amo Chhu
- C) Mangde Chhu
- D) Drangme Chhu
Answer: A) Wangchhu
- Which river is known for its biodiversity and supports the endangered Golden Langur in Bhutan?
- A) Punatsangchhu
- B) Drangme Chhu
- C) Wangchhu
- D) Manas River
Answer: D) Manas River
- Which river in Bhutan has several hydroelectric power plants along its course?
- A) Mangde Chhu
- B) Punatsangchhu
- C) Wangchhu
- D) Drangme Chhu
Answer: B) Punatsangchhu
| River Name | Length (approx.) | Regions/Provinces | Significance |
| Drangme Chhu | 610 km | Eastern Bhutan | Longest river in Bhutan; part of the Brahmaputra River system, important for agriculture and trade. |
| Wangchhu | 370 km | Western Bhutan | Flows through Thimphu, the capital city; key for irrigation, drinking water, and small hydroelectric projects. |
| Punatsangchhu | 320 km | Central and Western Bhutan | Major river for hydroelectric power, formed by the confluence of Pho Chhu and Mo Chhu near Punakha. |
| Amo Chhu | 120 km | Southern Bhutan | Also known as the Torsa River; flows through Phuentsholing, a major town near the India-Bhutan border. |
| Manas River | 376 km | Eastern and Southern Bhutan | Important for biodiversity; part of the Manas National Park, a UNESCO World Heritage site; flows into India. |
| Mangde Chhu | 260 km | Central Bhutan | Flows through Trongsa District; important for hydroelectric projects and agriculture in central Bhutan. |
| Pho Chhu | 100 km | Western Bhutan | Tributary of Punatsangchhu; flows near Punakha Dzong, a historical and cultural landmark of Bhutan. |
| Mo Chhu | 105 km | Western Bhutan | Tributary of Punatsangchhu; joins with Pho Chhu at Punakha, where Punakha Dzong is located. |
| Kuri Chhu | 285 km | Eastern Bhutan | Tributary of Drangme Chhu, flows through the Mongar district; used for hydroelectric power generation. |
| Dangme Chhu | 390 km | Northeastern Bhutan | Major river of eastern Bhutan; forms part of the Drangme Chhu watershed and flows into the Brahmaputra River system. |