1. What is the longest river in the United States?
A) Mississippi River
B) Missouri River
C) Colorado River
D) Rio Grande
Answer: B) Missouri River
2. Which river is the primary source of water for the Grand Canyon?
A) Colorado River
B) Rio Grande
C) Columbia River
D) Mississippi River
Answer: A) Colorado River
3. The Mississippi River flows into which body of water?
A) Atlantic Ocean
B) Pacific Ocean
C) Gulf of Mexico
D) Great Lakes
Answer: C) Gulf of Mexico
4. Which river forms the border between the United States and Mexico?
A) Missouri River
B) Colorado River
C) Rio Grande
D) Mississippi River
Answer: C) Rio Grande
5. The Ohio River is a major tributary of which river?
A) Missouri River
B) Mississippi River
C) Tennessee River
D) Illinois River
Answer: B) Mississippi River
6. What river is known for its historical significance in the Lewis and Clark Expedition?
A) Columbia River
B) Missouri River
C) Rio Grande
D) Ohio River
Answer: B) Missouri River
7. Which river flows through the city of New Orleans?
A) Ohio River
B) Mississippi River
C) Arkansas River
D) Tennessee River
Answer: B) Mississippi River
8. What river is the primary source of the Mississippi River?
A) Ohio River
B) Missouri River
C) Arkansas River
D) Illinois River
Answer: B) Missouri River
9. Which river is the longest in the western United States?
A) Columbia River
B) Colorado River
C) Snake River
D) Sacramento River
Answer: B) Colorado River
10. The Columbia River flows into which body of water?
A) Gulf of Mexico
B) Atlantic Ocean
C) Pacific Ocean
D) Great Lakes
Answer: C) Pacific Ocean
11. What is the primary river in the state of California?
A) Sacramento River
B) Colorado River
C) San Joaquin River
D) Columbia River
Answer: A) Sacramento River
12. The Snake River is a major tributary of which river?
A) Columbia River
B) Missouri River
C) Colorado River
D) Mississippi River
Answer: A) Columbia River
13. The Tennessee River is a major tributary of which river?
A) Ohio River
B) Mississippi River
C) Missouri River
D) Arkansas River
Answer: B) Mississippi River
14. What river is the primary source of water for the city of Chicago?
A) Illinois River
B) Mississippi River
C) Chicago River
D) Ohio River
Answer: C) Chicago River
15. The Red River flows through which two states before entering Louisiana?
A) Texas and Oklahoma
B) Texas and Arkansas
C) Arkansas and Louisiana
D) Oklahoma and Kansas
Answer: A) Texas and Oklahoma
16. Which river is known for its significant role in the early exploration and settlement of the American West?
A) Columbia River
B) Missouri River
C) Rio Grande
D) Ohio River
Answer: B) Missouri River
17. The Susquehanna River flows into which bay?
A) Chesapeake Bay
B) Delaware Bay
C) San Francisco Bay
D) Puget Sound
Answer: A) Chesapeake Bay
18. What is the primary river in the state of New York that flows into the Atlantic Ocean?
A) Hudson River
B) Susquehanna River
C) Delaware River
D) St. Lawrence River
Answer: A) Hudson River
19. The St. Lawrence River connects the Great Lakes to which ocean?
A) Pacific Ocean
B) Atlantic Ocean
C) Gulf of Mexico
D) Arctic Ocean
Answer: B) Atlantic Ocean
20. What is the primary river that flows through the city of Denver?
A) Arkansas River
B) Colorado River
C) Platte River
D) Rio Grande
Answer: C) Platte River
21. Which river forms part of the border between the states of Iowa and Nebraska?
A) Missouri River
B) Mississippi River
C) Ohio River
D) Illinois River
Answer: A) Missouri River
22. The James River flows through which U.S. state?
A) Virginia
B) North Carolina
C) Maryland
D) Georgia
Answer: A) Virginia
23. Which river is known for its dramatic canyons and is a major water source in the southwestern United States?
A) Colorado River
B) Columbia River
C) Snake River
D) Rio Grande
Answer: A) Colorado River
24. What river is the primary water source for the city of Nashville?
A) Cumberland River
B) Tennessee River
C) Mississippi River
D) Ohio River
Answer: A) Cumberland River
25. The Illinois River is a major tributary of which river?
A) Mississippi River
B) Ohio River
C) Missouri River
D) Arkansas River
Answer: A) Mississippi River
26. The Arkansas River is a tributary of which larger river?
A) Missouri River
B) Mississippi River
C) Colorado River
D) Ohio River
Answer: B) Mississippi River
27. What is the name of the river that forms the border between the states of Georgia and Alabama?
A) Chattahoochee River
B) Savannah River
C) Tennessee River
D) Altamaha River
Answer: A) Chattahoochee River
28. The Missouri River flows into which major river?
A) Ohio River
B) Mississippi River
C) Arkansas River
D) Illinois River
Answer: B) Mississippi River
29. The Columbia River forms part of the border between which two U.S. states?
A) Oregon and Washington
B) California and Nevada
C) Idaho and Montana
D) Utah and Colorado
Answer: A) Oregon and Washington
30. What river flows through the city of Portland, Oregon?
A) Columbia River
B) Willamette River
C) Snake River
D) Colorado River
Answer: B) Willamette River
31. What river is known for its role in the American Civil War, particularly the Siege of Vicksburg?
A) Mississippi River
B) Tennessee River
C) Ohio River
D) Missouri River
Answer: A) Mississippi River
32. The Sacramento River flows into which bay?
A) San Francisco Bay
B) Monterey Bay
C) Puget Sound
D) San Diego Bay
Answer: A) San Francisco Bay
33. Which river is known for its extensive system of dams and reservoirs in the western United States?
A) Colorado River
B) Columbia River
C) Missouri River
D) Snake River
Answer: A) Colorado River
34. The Guadalupe River is a major river in which U.S. state?
A) Texas
B) Florida
C) Louisiana
D) California
Answer: A) Texas
35. The Potomac River flows through which U.S. capital city?
A) Richmond
B) Washington, D.C.
C) Baltimore
D) Philadelphia
Answer: B) Washington, D.C.
36. What is the name of the river that forms the boundary between North Dakota and Minnesota?
A) Red River
B) Missouri River
C) Mississippi River
D) Souris River
Answer: A) Red River
37. The Ohio River is a major tributary of which river?
A) Missouri River
B) Mississippi River
C) Tennessee River
D) Illinois River
Answer: B) Mississippi River
38. The Tennessee River is a major tributary of which river?
A) Ohio River
B) Mississippi River
C) Missouri River
D) Arkansas River
Answer: B) Mississippi River
39. What river is known for the scenic beauty of the Shenandoah Valley?
A) Shenandoah River
B) James River
C) Potomac River
D) Susquehanna River
Answer: A) Shenandoah River
40. What river flows through the city of San Antonio, Texas?
A) San Antonio River
B) Rio Grande
C) Colorado River
D) Guadalupe River
Answer: A) San Antonio River
41. The Mississippi River is the primary river flowing through which major U.S. city known for its blues music?
A) Chicago
B) St. Louis
C) Memphis
D) New Orleans
Answer: D) New Orleans
42. The Missouri River is a major tributary of which river?
A) Mississippi River
B) Ohio River
C) Columbia River
D) Snake River
Answer: A) Mississippi River
43. The Colorado River is famous for creating which landmark?
A) Yellowstone National Park
B) The Grand Canyon
C) Yosemite National Park
D) Mount Rushmore
Answer: B) The Grand Canyon
44. The Susquehanna River flows into which bay?
A) Chesapeake Bay
B) Delaware Bay
C) San Francisco Bay
D) Puget Sound
Answer: A) Chesapeake Bay
45. Which river is known for its white-water rapids and is a popular destination for rafting?
A) Colorado River
B) Snake River
C) Missouri River
D) Mississippi River
Answer: A) Colorado River
46. What river is the longest river in North America?
A) Mississippi River
B) Missouri River
C) Rio Grande
D) Ohio River
Answer: B) Missouri River
47. The Amazon River is the longest river in the world. Which river is often compared to it in terms of length?
A) Nile River
B) Yangtze River
C) Mississippi River
D) Congo River
Answer: A) Nile River
48. Which river is the primary water source for Las Vegas, Nevada?
A) Colorado River
B) Rio Grande
C) Snake River
D) California Aqueduct
Answer: A) Colorado River
49. The Hudson River is famous for its picturesque views and flows through which U.S. state?
A) New Jersey
B) New York
C) Pennsylvania
D) Massachusetts
Answer: B) New York
50. What is the name of the river that flows through the city of Miami?
A) Miami River
B) St. Johns River
C) Okeechobee River
D) Apalachicola River
Answer: A) Miami River