Ocean acidification

Ocean acidification - Exam

1. What is the primary cause of ocean acidification?

A) Industrial pollution
B) Overfishing
C) Alien invasion
D) Increased carbon dioxide levels in the atmosphere

2. What happens to the pH level of the ocean as it becomes more acidic?

A) pH level decreases
B) pH level fluctuates
C) pH level increases
D) pH level remains the same

3. What does ocean acidification lead to regarding marine biodiversity?

A) No change in marine biodiversity
B) Increase in marine biodiversity
C) Reduction in marine biodiversity
D) Enhancement of marine biodiversity

4. What role do plankton play in ocean ecosystems, and how are they affected by ocean acidification?

A) Plankton are crucial in the marine food chain and can be negatively impacted by ocean acidification
B) Plankton are not affected by ocean acidification
C) Plankton have no role in marine ecosystems
D) Plankton negatively impact marine ecosystems

5. How do coral reefs protect coastlines?

A) Have no impact on coastlines
B) Act as natural barriers against erosion and storms
C) Attract more storms
D) Increase coastal erosion

6. How can ocean acidification affect marine food resources?

A) No impact on food availability
B) Increase availability of marine food
C) Enhance fish populations
D) Decrease availability of certain shellfish and fish species

7. How does ocean acidification affect marine fisheries?

A) Improves fish populations but doesn't affect commercial fishing
B) Has no impact on fish populations or fishing industry
C) Increases fish populations and boosts commercial fishing
D) May lead to decreased fish populations and affect commercial fishing

8. In addition to reducing carbon emissions, what else can help mitigate ocean acidification?

A) Dumping more waste into the oceans
B) Polluting the oceans further
C) Deep sea mining
D) Protecting and restoring coastal habitats

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