Major Rivers MCQs [USA] January 8, 2026August 21, 2024 by u930973931_answers 35 min Score: 0 Attempted: 0/35 Subscribe 1. . Which river is the longest in the United States? (A) Mississippi River (B) Missouri River (C) Colorado River (D) Columbia River 2. . Which river flows through the Grand Canyon? (A) Colorado River (B) Mississippi River (C) Rio Grande (D) Columbia River 3. . Which river is known as the “Mighty Mississippi”? (A) Ohio River (B) Mississippi River (C) Missouri River (D) Arkansas River 4. . Which major river flows through New York City? (A) Ohio River (B) Potomac River (C) Hudson River (D) Delaware River 5. . Which river forms part of the border between the USA and Mexico? (A) Rio Grande (B) Mississippi River (C) Colorado River (D) Arkansas River 6. . Which river is the primary source of water for much of the southwestern United States? (A) Missouri River (B) Rio Grande (C) Colorado River (D) Columbia River 7. . Which river is the longest in the state of Texas? (A) Rio Grande (B) Colorado River (C) Brazos River (D) Red River 8. . Which river flows through the city of St. Louis? (A) Mississippi River (B) Ohio River (C) Missouri River (D) Arkansas River 9. . Which river is known for the famous “River Walk” in San Antonio, Texas? (A) Rio Grande (B) San Antonio River (C) Colorado River (D) Brazos River 10. . Which river is the principal river in the state of New Mexico? (A) Rio Grande (B) Colorado River (C) Arkansas River (D) Pecos River 11. . Which river is famous for its waterfalls in the state of New York? (A) Hudson River (B) St. Lawrence River (C) Niagara River (D) Allegheny River 12. . Which river is the primary river of the central United States and flows into the Gulf of Mexico? (A) Colorado River (B) Missouri River (C) Mississippi River (D) Arkansas River 13. . Which river forms part of the boundary between the states of Ohio and West Virginia? (A) Potomac River (B) Ohio River (C) Kanawha River (D) Allegheny River 14. . Which river is the longest in the state of Florida? (A) St. Johns River (B) Suwannee River (C) Apalachicola River (D) St. Mary's River 15. . Which river is known for forming the natural boundary between the states of Kentucky and Tennessee? (A) Ohio River (B) Tennessee River (C) Cumberland River (D) Mississippi River 16. . Which river is a major tributary of the Mississippi River and flows through the state of Iowa? (A) Missouri River (B) Ohio River (C) Illinois River (D) Arkansas River 17. . Which river is the main river system of the Pacific Northwest? (A) Columbia River (B) Snake River (C) Colorado River (D) Missouri River 18. . Which river is the primary water source for the city of Las Vegas, Nevada? (A) Colorado River (B) Rio Grande (C) Snake River (D) Columbia River 19. . Which river is known for its large basin and flowing through the central and southern parts of the United States? (A) Colorado River (B) Mississippi River (C) Columbia River (D) Rio Grande 20. . Which river runs through the state capital of Ohio? (A) Ohio River (B) Cuyahoga River (C) Scioto River (D) Muskingum River 21. . Which river is a major tributary of the Mississippi River and flows through the state of Arkansas? (A) Red River (B) Missouri River (C) Ohio River (D) Arkansas River 22. . Which river forms part of the boundary between the states of Tennessee and North Carolina? (A) Tennessee River (B) Catawba River (C) French Broad River (D) Pigeon River 23. . Which river is known for the Great Salt Lake in Utah? (A) Colorado River (B) Snake River (C) Rio Grande (D) Bear River 24. . Which river flows through the city of Minneapolis and is known for its waterfalls? (A) Mississippi River (B) Minnesota River (C) St. Croix River (D) Missouri River 25. . Which river is known for the famous “Hoover Dam” built on it? (A) Colorado River (B) Rio Grande (C) Snake River (D) Columbia River 26. . Which river runs through the city of Pittsburgh, Pennsylvania? (A) Ohio River (B) Allegheny River (C) Monongahela River (D) Susquehanna River 27. . Which river is known for the “Great Falls” in the state of Montana? (A) Missouri River (B) Yellowstone River (C) Clark Fork River (D) Flathead River 28. . Which river is a major tributary of the Columbia River and flows through Idaho? (A) Snake River (B) Clearwater River (C) Salmon River (D) Bear River 29. . Which river is known for the “Seven Falls” in South Dakota? (A) Missouri River (B) Cheyenne River (C) White River (D) Bad River 30. . Which river is known for its role in the Lewis and Clark Expedition? (A) Missouri River (B) Columbia River (C) Mississippi River (D) Snake River 31. . Which river is the principal river of the state of Mississippi? (A) Mississippi River (B) Yazoo River (C) Pearl River (D) Tombigbee River 32. . Which river is known for its famous bridges and historical significance in San Francisco? (A) Sacramento River (B) San Francisco Bay (C) Golden Gate Strait (D) Bay Bridge 33. . Which river is a significant waterway for barge traffic in the Midwest? (A) Ohio River (B) Mississippi River (C) Missouri River (D) Illinois River 34. . Which river is known for its importance to the Native American tribes in the region? (A) Missouri River (B) Colorado River (C) Mississippi River (D) Columbia River 35. . Which river is the main source of water for the city of Denver, Colorado? (A) South Platte River (B) Arkansas River (C) Colorado River (D) Yampa River