1. What is the primary driving force behind ocean currents?
Answer: B. Winds
2. Which of the following is a warm ocean current?
Answer: C. Gulf Stream
3. Which factor is NOT responsible for the movement of ocean water?
Answer: A. Earthquake
4. Horizontal movement of ocean water is known as:
Answer: B. Currents
5. Which ocean current is responsible for moderating the climate of Western Europe?
Answer: B. Gulf Stream
6. Tides are caused due to the gravitational pull of:
Answer: C. Moon and Sun
7. The rise and fall of ocean water due to gravitational forces is called:
Answer: B. Tides
8. Which tide occurs when the Sun, Moon, and Earth are in a straight line?
Answer: B. Spring Tide
9. The periodic rise and fall of ocean water is mainly influenced by:
Answer: D. Gravitational pull of the Moon
10. Which of the following is a cold ocean current?
Answer: D. Peru Current
11. What is the duration between two successive high tides?
Answer: C. 12 hours 25 minutes
12. Which of the following is NOT a type of tide based on frequency?
Answer: D. Seasonal
13. Which ocean current flows along the western coast of South America?
Answer: B. Peru Current
14. What causes spring tides?
Answer: A. Alignment of Earth, Moon, and Sun
15. Which current helps in the formation of fogs around Newfoundland?
Answer: A. Labrador and Gulf Stream
16. Ocean currents affect the climate of coastal areas by:
Answer: C. Moderating temperature
17. Neap tides occur when the Sun and Moon are at:
Answer: C. Right angles to each other
18. The vertical movement of ocean water is known as:
Answer: D. Upwelling
19. The Kuroshio current is found in which ocean?
Answer: D. Pacific Ocean
20. The mixing of warm and cold currents leads to:
Answer: C. Fog formation
