- 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) Plastic waste
B) Agricultural runoff
C) Oil spills
D) Industrial runoff
- 2. Which of the following is NOT a greenhouse gas contributing to climate change?
A) Methane
B) Nitrous oxide
C) Carbon dioxide
D) Oxygen
- 3. What is the process by which nutrients build up in a body of water, leading to excessive plant growth and oxygen depletion?
A) Desalinization
B) Hydrolysis
C) Eutrophication
D) Desalination
- 4. What is the term for the swirling mass of debris in the North Pacific Ocean?
A) Pacific Trash Vortex
B) Oceanic Vortex
C) Great Pacific Garbage Patch
D) Marine Gyre
- 5. What is the primary habitat for almost 25% of all marine species?
A) Deep sea vents
B) Mangrove forests
C) Open ocean
D) Coral reefs
- 6. Which of the following marine animals is a keystone species in its ecosystem?
A) Blue whale
B) Hammerhead shark
C) Sea otter
D) Jellyfish
- 7. What is the primary cause of sea level rise?
A) Increased rainfall
B) Underwater volcanoes
C) Wave erosion
D) Melting ice caps and glaciers
- 8. What is the zone where sunlight penetrates and photosynthesis occurs in the ocean called?
A) Photic zone
B) Abyssal zone
C) Epipelagic zone
D) Hadopelagic zone
- 9. What is the process of organisms like corals expelling algae due to stress called?
A) Bleaching
B) Fertilization
C) Photosynthesis
D) Decomposition
- 10. Which ocean is the largest and deepest in the world?
A) Pacific Ocean
B) Arctic Ocean
C) Atlantic Ocean
D) Indian 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) Marine Mammal Protection Act
B) Endangered Species Act
C) Clean Water Act
D) Ocean Dumping Act
- 13. What is the process of removing salt from seawater to make it suitable for drinking called?
A) Thermohaline circulation
B) Desalination
C) Eutrophication
D) Salinization
- 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) Ice age
B) Heat wave
C) Cold front
D) Global warming
- 16. What is the term for the plastics that break down into small particles in the ocean?
A) Biodegradables
B) Macroplastics
C) Rubber
D) Microplastics
- 17. What ecosystem service do mangroves provide?
A) Oil drilling
B) Coastal protection
C) Mining
D) Nutrient pollution
- 18. How do greenhouse gases contribute to global warming?
A) Cool the environment
B) Regulate temperature
C) Trap heat in the Earth's atmosphere
D) Prevent storms
- 19. What is the purpose of the Marine Debris Program?
A) Increase pollution levels
B) Promote plastic waste disposal
C) Reduce the impacts of marine debris on the environment
D) Encourage littering
- 20. What is the term for the scientific study of the oceans and marine life?
A) Geology
B) Meteorology
C) Oceanography
D) Botany
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