2026

Environment

Advanced Challenge: Ocean Contaminants Exposed

Uncover the severe impacts of pollutants ravaging seas, from persistent chemicals to massive debris accumulations.

#eutrophication#heavy metals#marine debris#ocean pollution#acidification#oil spills#fishing gear#plastic gyres#chemical contaminants#microplastics

Quiz Intelligence

Total Questions

10

Difficulty Level

hard

Progress

0/0

0%

Quiz Questions

Answer all questions below and test your knowledge.

1
What fraction of global marine debris originates from abandoned, lost, or discarded fishing gear?
Question 1
2
Which microplastic type dominates surface waters in ocean gyres like the Great Pacific Garbage Patch?
Question 2
3
What is the primary land-based source of nitrogen fueling coastal eutrophication and dead zones?
Question 3
4
In ocean sediments, which persistent organic pollutant has the longest half-life?
Question 4
5
Which ocean region hosts the highest recorded microplastic concentrations in deep-sea trenches?
Question 5
6
What percentage of ocean plastic pollution is estimated to originate from rivers annually?
Question 6
7
Ghost fishing primarily results from which type of marine pollution?
Question 7
8
Which heavy metal bioaccumulates most rapidly in top marine predators like sharks?
Question 8
9
Offshore oil rigs contribute what proportion of total ocean oil pollution?
Question 9
10
Ocean acidification primarily stems from increased absorption of which gas?
Question 10

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Advanced Challenge: Ocean Contaminants Exposed

Quiz Intelligence

Quiz Questions

What fraction of global marine debris originates from abandoned, lost, or discarded fishing gear?

Which microplastic type dominates surface waters in ocean gyres like the Great Pacific Garbage Patch?

What is the primary land-based source of nitrogen fueling coastal eutrophication and dead zones?

In ocean sediments, which persistent organic pollutant has the longest half-life?

Which ocean region hosts the highest recorded microplastic concentrations in deep-sea trenches?

What percentage of ocean plastic pollution is estimated to originate from rivers annually?

Ghost fishing primarily results from which type of marine pollution?

Which heavy metal bioaccumulates most rapidly in top marine predators like sharks?

Offshore oil rigs contribute what proportion of total ocean oil pollution?

Ocean acidification primarily stems from increased absorption of which gas?