- 1. Ocean health refers to the overall condition and well-being of marine ecosystems and the organisms that inhabit them. It encompasses various factors such as water quality, biodiversity, habitat integrity, and the overall resilience of ocean ecosystems to environmental stressors. Monitoring and maintaining ocean health is essential for the sustainability of marine life, coastal communities, and the overall health of the planet. Human activities such as pollution, overfishing, habitat destruction, and climate change can have detrimental effects on ocean health, highlighting the need for conservation efforts and sustainable management practices to protect and restore marine ecosystems for future generations.
What is the leading cause of ocean pollution?
A) Industrial runoff
B) Agricultural runoff
C) Oil spills
D) Plastic waste
- 2. Which of the following is NOT a greenhouse gas contributing to climate change?
A) Nitrous oxide
B) Methane
C) Oxygen
D) Carbon dioxide
- 3. What is the process by which nutrients build up in a body of water, leading to excessive plant growth and oxygen depletion?
A) Desalination
B) Hydrolysis
C) Desalinization
D) Eutrophication
- 4. What is the term for the swirling mass of debris in the North Pacific Ocean?
A) Oceanic Vortex
B) Great Pacific Garbage Patch
C) Pacific Trash Vortex
D) Marine Gyre
- 5. What is the primary habitat for almost 25% of all marine species?
A) Coral reefs
B) Deep sea vents
C) Open ocean
D) Mangrove forests
- 6. Which of the following marine animals is a keystone species in its ecosystem?
A) Sea otter
B) Blue whale
C) Jellyfish
D) Hammerhead shark
- 7. What is the primary cause of sea level rise?
A) Increased rainfall
B) Melting ice caps and glaciers
C) Underwater volcanoes
D) Wave erosion
- 8. What is the zone where sunlight penetrates and photosynthesis occurs in the ocean called?
A) Hadopelagic zone
B) Abyssal zone
C) Epipelagic zone
D) Photic zone
- 9. What is the process of organisms like corals expelling algae due to stress called?
A) Photosynthesis
B) Bleaching
C) Decomposition
D) Fertilization
- 10. Which ocean is the largest and deepest in the world?
A) Pacific Ocean
B) Indian Ocean
C) Arctic Ocean
D) Atlantic Ocean
- 11. Which agreement aims to reduce greenhouse gas emissions and limit global temperature rise?
A) Paris Agreement
B) Copenhagen Accord
C) Montreal Protocol
D) Kyoto Protocol
- 12. What is the law that governs pollution in the U.S. waters?
A) Clean Water Act
B) Endangered Species Act
C) Ocean Dumping Act
D) Marine Mammal Protection Act
- 13. What is the process of removing salt from seawater to make it suitable for drinking called?
A) Salinization
B) Eutrophication
C) Desalination
D) Thermohaline circulation
- 14. Which human activity contributes to ocean acidification?
A) Conserving water
B) Burning fossil fuels
C) Planting trees
D) Recycling plastic
- 15. What is the term for the gradual increase in the temperature of the Earth's atmosphere?
A) Global warming
B) Ice age
C) Heat wave
D) Cold front
- 16. What is the term for the plastics that break down into small particles in the ocean?
A) Biodegradables
B) Microplastics
C) Macroplastics
D) Rubber
- 17. What ecosystem service do mangroves provide?
A) Coastal protection
B) Nutrient pollution
C) Mining
D) Oil drilling
- 18. How do greenhouse gases contribute to global warming?
A) Cool the environment
B) Regulate temperature
C) Prevent storms
D) Trap heat in the Earth's atmosphere
- 19. What is the purpose of the Marine Debris Program?
A) Encourage littering
B) Reduce the impacts of marine debris on the environment
C) Promote plastic waste disposal
D) Increase pollution levels
- 20. What is the term for the scientific study of the oceans and marine life?
A) Geology
B) Botany
C) Oceanography
D) Meteorology
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