Rivers of the World

Total Questions: 31

21. In which sea do river Elbe and river Rhine drain their water? [Raj .P.C.S. (Pre) 2023]

Correct Answer: (a) North Sea

Solution:River Elbe and River Rhine drain their water in North Sea. Significantly, the Elbe is one of Europe’s major rivers. The Elbe River Basin covers an area of approximately 1.5 lakh km².

22. Which of the following is not related to Asia? [R.A.S./R.T.S. (Pre) 1996]

(a) Lop Nor
(b) Amur
(c) Niger
(d) Tigris

Correct Answer: (c) Niger

Solution:Lop Nor: Lop Nor is a saline lake in China.
Amur river: The length of the Amur river is 4444 kilometres. The Amur forms a border between Russia, Mongolia and China.
Niger river: The Niger rises in the Fouta Djallon Highlands of Western Africa and empties into the Gulf of Guinea. It is related to Africa, not Asia.
Tigris river: It rises in Taurus mountains of eastern Turkey. It meets Euphrates river in Iraq and merges into the Persian Gulf

23. Which of the following river of Africa crosses tropic of Capricorn twice? [U.P.P.C.S. (GIC) 2010]

(a) Zambezi
(b) Limpopo
(c) Congo
(d) Niger

Correct Answer: (b) Limpopo

Solution:Limpopo river of Africa crosses tropic of Capricorn twice. The Limpopo River flows through southern Africa, starting near the border between Botswana and South Africa, and eventually emptying into the Indian Ocean. It follows a great arc, first zigzagging north and then northeast, before turning east and finally southeast. The river's path takes it across the Tropic of Capricorn not once, but twice, as it meanders through the region. The Congo river is another river that crosses the equator twice.

24. The country which provides the best example of radial drainage is [U.P.P.C.S. (Spl) (Mains) 2008]

(a) Australia
(b) France
(c) Sri Lanka
(d) Zaire

Correct Answer: (c) Sri Lanka

Solution:he southern central region of Sri Lanka is the tallest highland which rises to 1,500 metres above sea-level. The altitude decreases towards plains from this highland gradually. This plain is narrow in western south-western and widest in the north. The rivers of Sri Lanka rise in the central highlands and flow in a radial pattern towards the sea. Most of these rivers are short. Mahaweli is the longest river of Sri Lanka. Flowing towards north-east, it merges into Bay of Bengal.

25. Mahaweli Ganga is a river of – [U.P.R.O./A.R.O. (Mains) 2013]

(a) Bangladesh
(b) India
(c) Sri Lanka
(d) Nepal

Correct Answer: (c) Sri Lanka

Solution:The rivers of Sri Lanka are short which flow in a radial pattern outwards the central highlands. The Mahaweli river is the longest river (335 km) in Sri Lanka which starts from the Hatton plateau on the western side of Sri Lanka and falls into the Bay of Bengal.

26. Which of the following pair is not correctly matched ? [U.P.P.C.S. (Spl.) (Mains) 2008]

River	Country
(a) Dnieper	Ukraine
(b) Rhine	Germany
(c) Rhone	Spain
(d) Rhone	France

Correct Answer: (d)

Solution:Passing through Geneva city of Switzerland Rhone river falls into Bay of Lion in the Mediterranean Sea. Dnieper - Ukraine, Po - Italy and Rhine - Germany are correctly matched.

27. The great Asian river the Mekong does not flow through: [Jharkhand P.C.S. (Pre) 2011]

(a) China
(b) Malaysia
(c) Cambodia
(d) Laos

Correct Answer: (b) Malaysia

Solution:The Mekong is a trans-boundary river in Southeast Asia. From the Tibetan Plateau, the river flows through China's Yunnan province, Myanmar, Laos, Thailand, Cambodia and Vietnam and falls into South China Sea. The Mekong river does not flow through Malaysia.

28. The trans-boundary river Mekong of South-East Asia does not pass through which of the following countries? [M.P.P.C.S. (Pre) 2022]

(a) Cambodia
(b) Vietnam
(c) Bangladesh
(d) Laos

Correct Answer: (c) Bangladesh

29. The glacial lake Itasca is the source of the river – [U.P.P.C.S. (Mains) 2015]

(a) Missouri
(b) Mississippi
(c) Rio Grande
(d) Red river

Correct Answer: (b) Mississippi

Solution:Lake Itasca is the main source of river Mississippi. Ohio Arkansas, Red River etc. are tributaries of Mississippi. Mississippi flows into the Gulf of Mexico.

30. With reference to Mekong River, which of the following statement/s is/are correct? [U.P.P.C.S. (Pre) 2021]

1. Mekong rises in Tibetan Plateau

2. Mekong delta is situated in Southern Cambodia.

Select the correct answer using the codes given below:
Codes :

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

Correct Answer: (a) 1 only

Solution:The Mekong Delta is located in Combodia and southern Vietnam, from where the mekong river reaches the South China sea. Mekong rises in Tibetan Plateau. Flowing 4909 km, it falls into the South China Sea. It flows through 6 countries China, Myanmar, Laos, Thailand, Cambodia and Vietnam. It also forms the international border between Myanmar - Laos and laos- Thailand.

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