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