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Marine Environmental Awareness, Environmental Challenges

CBT 84 questions

First 5 of 84 questions — with answers

The correct answer is marked. Unlock the rest to study the whole test, online or offline.

  1. Question 1

    According to the BWM Convention, Ballast Water Exchange will be phased out and replaced by Ballast Water Treatment; TWO reasons for this include:
    • Treatment is more effective.
    • Exchange can be dangerous for the ship's crew.
    • Treatment is less work for the ship's crew.
    • Treatment is cheaper.

  2. Question 2

    Which statement about the effects of sewage is true?
    • Discharge of sewage in coastal areas may cause oxygen deficiency.
    • Sewage may bioaccumulate.
    • Sewage does not break down in the marine environment.
    • Sewage causes over fertilization in open ocean areas.

  3. Question 3

    According to the International Labour Organisation (ILO), working at a ship recycling facility where "beaching" takes place is one of the most dangerous jobs in the world. Which THREE statements below best explain why?
    • Because protective clothing is seldom provided.
    • Because workers lack proper training.
    • Because heavy machinery is often available.
    • Because at the same time ships are grounded, people are walking around on the beach.

  4. Question 4

    According to this module, which THREE negative effects for humans were caused by mercury poisoning in the Minamata Bay case study:
    • Dementia.
    • Brain damage.
    • Mentally disabled babies.
    • Blindness.

  5. Question 5

    Approximately how long does it take for a plastic bottle to break down in the marine environment?
    • 450 years.
    • 50 years.
    • 150 years.
    • 900 years.

Preview — 5 of 84 questions

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About this CBT test

Marine Environmental Awareness, Environmental Challenges is a CBT test with 84 questions and verified answers. Common topics include: invasive species, marine environment, ballast water, marpol annex, climate change, oil, effects, chemicals.

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