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Ocean acidification - Exam
Contributed by: Singh
  • 1. What is the primary cause of ocean acidification?
A) Overfishing
B) Increased carbon dioxide levels in the atmosphere
C) Industrial pollution
D) Alien invasion
  • 2. What happens to the pH level of the ocean as it becomes more acidic?
A) pH level decreases
B) pH level remains the same
C) pH level fluctuates
D) pH level increases
  • 3. What does ocean acidification lead to regarding marine biodiversity?
A) Increase in marine biodiversity
B) Enhancement of marine biodiversity
C) No change in marine biodiversity
D) Reduction in marine biodiversity
  • 4. What role do plankton play in ocean ecosystems, and how are they affected by ocean acidification?
A) Plankton are not affected by ocean acidification
B) Plankton are crucial in the marine food chain and can be negatively impacted by ocean acidification
C) Plankton negatively impact marine ecosystems
D) Plankton have no role in marine ecosystems
  • 5. How do coral reefs protect coastlines?
A) Act as natural barriers against erosion and storms
B) Increase coastal erosion
C) Have no impact on coastlines
D) Attract more storms
  • 6. How can ocean acidification affect marine food resources?
A) Enhance fish populations
B) Decrease availability of certain shellfish and fish species
C) Increase availability of marine food
D) No impact on food availability
  • 7. How does ocean acidification affect marine fisheries?
A) Has no impact on fish populations or fishing industry
B) May lead to decreased fish populations and affect commercial fishing
C) Improves fish populations but doesn't affect commercial fishing
D) Increases fish populations and boosts commercial fishing
  • 8. In addition to reducing carbon emissions, what else can help mitigate ocean acidification?
A) Polluting the oceans further
B) Protecting and restoring coastal habitats
C) Deep sea mining
D) Dumping more waste into the oceans
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