- 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) Agricultural runoff
B) Industrial runoff
C) Plastic waste
D) Oil spills
- 2. Which of the following is NOT a greenhouse gas contributing to climate change?
A) Methane
B) Oxygen
C) Nitrous oxide
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) Desalinization
C) Eutrophication
D) Hydrolysis
- 4. What is the term for the swirling mass of debris in the North Pacific Ocean?
A) Oceanic Vortex
B) Pacific Trash Vortex
C) Marine Gyre
D) Great Pacific Garbage Patch
- 5. What is the primary habitat for almost 25% of all marine species?
A) Coral reefs
B) Open ocean
C) Mangrove forests
D) Deep sea vents
- 6. Which of the following marine animals is a keystone species in its ecosystem?
A) Jellyfish
B) Hammerhead shark
C) Sea otter
D) Blue whale
- 7. What is the primary cause of sea level rise?
A) Increased rainfall
B) Melting ice caps and glaciers
C) Wave erosion
D) Underwater volcanoes
- 8. What is the zone where sunlight penetrates and photosynthesis occurs in the ocean called?
A) Epipelagic zone
B) Photic zone
C) Hadopelagic zone
D) Abyssal zone
- 9. What is the process of organisms like corals expelling algae due to stress called?
A) Decomposition
B) Photosynthesis
C) Bleaching
D) Fertilization
- 10. Which ocean is the largest and deepest in the world?
A) Pacific Ocean
B) Indian Ocean
C) Atlantic Ocean
D) Arctic Ocean
- 11. Which agreement aims to reduce greenhouse gas emissions and limit global temperature rise?
A) Copenhagen Accord
B) Paris Agreement
C) Kyoto Protocol
D) Montreal Protocol
- 12. What is the law that governs pollution in the U.S. waters?
A) Clean Water Act
B) Ocean Dumping Act
C) Marine Mammal Protection Act
D) Endangered Species Act
- 13. What is the process of removing salt from seawater to make it suitable for drinking called?
A) Salinization
B) Thermohaline circulation
C) Eutrophication
D) Desalination
- 14. Which human activity contributes to ocean acidification?
A) Recycling plastic
B) Conserving water
C) Planting trees
D) Burning fossil fuels
- 15. What is the term for the gradual increase in the temperature of the Earth's atmosphere?
A) Ice age
B) Heat wave
C) Global warming
D) Cold front
- 16. What is the term for the plastics that break down into small particles in the ocean?
A) Macroplastics
B) Rubber
C) Biodegradables
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) Regulate temperature
B) Prevent storms
C) Cool the environment
D) Trap heat in the Earth's atmosphere
- 19. What is the purpose of the Marine Debris Program?
A) Promote plastic waste disposal
B) Encourage littering
C) Increase pollution levels
D) Reduce the impacts of marine debris on the environment
- 20. What is the term for the scientific study of the oceans and marine life?
A) Oceanography
B) Geology
C) Botany
D) Meteorology
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