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8.3.1.4.1. Sources & causes of marine pollution
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11 questions on this section. Wrong answers show you what to read again.
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Revision test
Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
4 cards from this lesson. Good the night before a test.
Try these first
- 1.
What are two major sources of marine pollution?
Hint
Think about toxins entering the ocean.
- 2.
Define bioaccumulation.
Hint
It's about how toxins increase in an organism.
- 3.
What does bioaccumulation refer to?
- A decrease in toxins
- The buildup of toxins in organisms
- The dispersion of pollutants
Hint
Think about how substances increase in living tissues.
- 4.
True or False: PAHs are hydrocarbon compounds that can be harmful to marine life.
- True
- False
Hint
Consider their origins and effects.
- 5.
Evaluate the potential consequences of not controlling marine pollution on global food webs.
Hint
Consider the interconnected relationships between marine life.
- 6.
Design a campaign to reduce plastic pollution in oceans, outlining key strategies.
Hint
Think about community involvement and awareness.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
1 more question available
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting