Imp Questions For All Chapters – Geography Class 6
Short Questions
1. What is the hydrosphere?
Answer : The hydrosphere includes all the water bodies on Earth, like oceans, seas, rivers, and lakes.
2. Which is the largest ocean on Earth?
Answer : The Pacific Ocean is the largest and deepest ocean.
3. Why is ocean water salty?
Answer : Ocean water is salty because of minerals and salts from rivers, volcanoes, and dead organisms.
4. Which sea has the highest salinity?
Answer : The Dead Sea has the highest salinity of 332 parts per thousand.
5. How do oceans help in climate control?
Answer : Oceans absorb heat and release moisture, affecting weather and monsoons.
6. What is an ocean current?
Answer : An ocean current is the continuous movement of seawater in a specific direction.
7. What are the two types of ocean currents?
Answer : Warm currents make areas hotter, and cold currents make areas cooler.
8. What are mangrove forests?
Answer : Mangrove forests grow in coastal areas and protect land from storms and erosion.
9. Why is water transport cheaper than air transport?
Answer : Water transport uses less fuel, carries heavy goods, and is cheaper over long distances.
10. What are some resources obtained from oceans?
Answer : Oceans provide fish, salt, oil, natural gas, minerals, and pearls.
11. How do oceans help in the water cycle?
Answer : Oceans provide water for rain through evaporation.
12. Which ocean is most important for trade?
Answer : The Atlantic Ocean is most used for trade and transport.
13. How does ocean pollution happen?
Answer : Pollution occurs due to oil spills, plastic waste, and industrial chemicals.
14. What is the effect of ocean pollution?
Answer : It harms marine life, causes climate changes, and affects human health.
15. How can we protect oceans from pollution?
Answer : By reducing plastic waste, protecting marine life, and preventing oil spills.
Long Questions
1. Why is the Pacific Ocean important?
Answer : The Pacific Ocean is the largest and deepest ocean, rich in marine life, resources, and trade routes.
2. How do warm and cold ocean currents affect climate?
Answer : Warm currents make coastal areas warmer, while cold currents lower the temperature of nearby lands.
3. What is the role of oceans in the water cycle?
Answer : Oceans provide moisture for rain through evaporation, completing the water cycle.
4. Why is Mumbai’s climate moderate while Nagpur’s is extreme?
Answer : Mumbai is near the sea, so its temperature is stable, while Nagpur is inland, so it has hot summers and cold winters.
5. How do oceans help in transportation?
Answer : Oceans allow ships to carry goods cheaply, making international trade easier and more efficient.
6. What are the effects of ocean pollution?
Answer : Ocean pollution kills marine life, causes climate changes, and damages fisheries and human health.
7. Why are mangrove forests important?
Answer : Mangrove forests protect coasts from storms, prevent soil erosion, and support marine biodiversity.
8. What are some ways to reduce ocean pollution?
Answer : We can reduce ocean pollution by stopping plastic waste, controlling oil spills, and using eco-friendly fishing methods.
Leave a Reply