Geography

Longest Rivers of the World

Discover how well you know the globe's longest rivers, their geographic courses, and their major basins.

This is a free, 8-question multiple-choice quiz. Answer each question to see whether you got it right, with an explanation for every answer. There is no sign-up and no time limit — take it as many times as you like, and scroll down for the full answer key once you are done.

Question 1 of 8

0 correct

Which river is widely recognized as the longest in Europe?

Press A–D to choose · Enter to submit

Answer key & explanations

Every question in this quiz, with the correct answer marked and an explanation of why it is right. Use it to revise before or after taking the quiz above.

1.Which river is widely recognized as the longest in Europe?
- ADanube
- BVolga✓ Correct
- CRhine
- DDnieper
Correct answer: Volga
Stretching approximately 3,530 kilometers through Russia into the Caspian Sea, the Volga is the longest river on the European continent.
2.What is the longest river flowing entirely within a single country?
- AYellow River
- BMekong
- CYangtze River✓ Correct
- DLena River
Correct answer: Yangtze River
At roughly 6,300 kilometers, the Yangtze flows entirely within China, making it both the longest river in Asia and the longest in a single country.
3.Into which body of water does the Mississippi-Missouri river system empty?
- AGulf of Mexico✓ Correct
- BAtlantic Ocean
- CCaribbean Sea
- DHudson Bay
Correct answer: Gulf of Mexico
The Mississippi River flows southward through the continental United States and discharges into the Gulf of Mexico via a massive delta south of New Orleans.
4.Which river is the deepest in the world and the second-longest in Africa?
- ANiger
- BZambezi
- COrange
- DCongo✓ Correct
Correct answer: Congo
The Congo River is second only to the Nile in African length and reaches depths exceeding 220 meters, making it the world's deepest recorded river.
5.Which river carries the largest discharge volume of water in the world?
- AAmazon River✓ Correct
- BGanges River
- CCongo River
- DOrinoco River
Correct answer: Amazon River
The Amazon discharges roughly 200,000 cubic meters of water per second into the Atlantic Ocean, accounting for about 20% of global river flow into oceans.
6.Which is the longest river system that drains into the Arctic Ocean?
- AMackenzie
- BYenisei✓ Correct
- COb-Irtysh
- DYukon
Correct answer: Yenisei
The Yenisei-Angara-Selenga river system measures approximately 5,539 kilometers, forming the longest river network emptying into the Arctic Ocean.
7.The longest river in South America after the Amazon is the:
- AMagdalena
- BParaná✓ Correct
- CSão Francisco
- DUruguay
Correct answer: Paraná
The Paraná River runs about 4,880 kilometers through Brazil, Paraguay, and Argentina before merging into the Río de la Plata estuary.
8.The Blue Nile and White Nile converge near which national capital city?
- ACairo
- BAddis Ababa
- CKhartoum✓ Correct
- DJuba
Correct answer: Khartoum
The two primary tributaries of the Nile River meet at Khartoum, the capital city of Sudan, before the main Nile continues north to Egypt.

Which river is widely recognized as the longest in Europe?

Answer key & explanations

1.Which river is widely recognized as the longest in Europe?

2.What is the longest river flowing entirely within a single country?

3.Into which body of water does the Mississippi-Missouri river system empty?

4.Which river is the deepest in the world and the second-longest in Africa?

5.Which river carries the largest discharge volume of water in the world?

6.Which is the longest river system that drains into the Arctic Ocean?

7.The longest river in South America after the Amazon is the:

8.The Blue Nile and White Nile converge near which national capital city?

More free quizzes