What percentage of the world’s oxygen is produced by oceans?
- a) 25%
- b) 40%
- c) More than 50%
- d) 75%
Answer: c) More than 50%
What major natural disaster originating in the ocean is caused by earthquakes or volcanic eruptions?
- a) Hurricane
- b) Typhoon
- c) Tsunami
- d) Cyclone
Answer: c) Tsunami
What is a major source of pollution in oceans ?
- a) Oil spills
- b) Plastic waste
- c) Chemical runoff
- d) Noise pollution
Answer: b) Plastic waste
In which year did India establish its first scientific base station in Antarctica?
- a) 1981
- b) 1983
- c) 1985
- d) 1990
Answer: b) 1983
What is the main reason oceans are called “the planet’s lungs”?
- a) They absorb carbon dioxide
- b) They produce a large amount of oxygen
- c) They regulate temperature
- d) They support diverse marine life
Answer: b) They produce a large amount of oxygen
Which hemisphere has more land?
- a) Northern Hemisphere
- b) Southern Hemisphere
- c) Eastern Hemisphere
- d) Western Hemisphere
Answer: a) Northern Hemisphere
What is the term for excessive fishing that threatens marine life?
- a) Overfishing
- b) Superfishing
- c) Maxifishing
- d) Hyperfishing
Answer: a) Overfishing
What type of natural disaster originating in oceans can cause widespread damage to coastal regions?
- a) Earthquakes
- b) Volcanoes
- c) Cyclones
- d) Landslides
Answer: c) Cyclones
Which sea is located to the west of India?
- a) Bay of Bengal
- b) Arabian Sea
- c) South China Sea
- d) Red Sea
Answer: b) Arabian Sea
What is the main focus of Indian scientists’ research in Antarctica?
- a) Marine biology
- b) Geology
- c) Climate and environmental evolution
- d) Astronomy
Answer: c) Climate and environmental evolution
How many teams of Indian scientists have conducted research in Antarctica ?
- a) About 20
- b) About 30
- c) About 40
- d) About 50
Answer: c) About 40
What event in 2004 severely affected India’s coastal regions and islands?
- a) Cyclone
- b) Tsunami
- c) Earthquake
- d) Volcanic eruption
Answer: b) Tsunami
What is the name of the warning system India contributes to for detecting tsunamis?
- a) Global Tsunami Alert System
- b) Indian Ocean Tsunami Warning System
- c) Asian Seismic Monitoring Network
- d) Coastal Hazard Early Warning System
Answer: b) Indian Ocean Tsunami Warning System
What does the emblem of the Indian Navy contain?
- a) A ship
- b) An anchor
- c) A motto invoking Varuna
- d) A trident
Answer: c) A motto invoking Varuna
Which government body in India deals with disasters like tsunamis?
- a) Indian Meteorological Department
- b) National Disaster Management Authority
- c) Coastal Guard of India
- d) Ministry of Earth Sciences
Answer: b) National Disaster Management Authority
