Skip to content
MaritimeTest
Log in

Marine Environmental Awareness

CBT 95 questions

First 5 of 95 questions — with answers

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

  1. Question 1

    A food chain has five levels and 1 000 000 kg of phytoplankton. The food chain consists of phytoplankton - small zooplankton - large zooplankton - small fish - predator fish. How much of the top predator will be produced according to the 10 % rule?
    • 100 kg.
    • 1 000 kg.
    • 10 kg.
    • 1 kg.

  2. Question 2

    Food chain has three levels and 1 000 000 kg of phytoplankton. The food chain consists of phytoplankton - large zooplankton - predator fish. How much of the top predator will be produced according to the 10 % rule?
    • 10 000 kg.
    • 1 000 kg.
    • 100 kg.
    • 10 kg.

  3. Question 3

    A food chain has four levels and 1 000 000 kg of phytoplankton. The food chain consists of phytoplankton - large zooplankton - small fish - predator fish. How much of the top predator will be produced according to the 10 % rule?
    • 100 kg.
    • 1 000 kg.
    • 10 kg.
    • 1 kg.

  4. Question 4

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

  5. Question 5

    Approximately how many marine viruses can be found in 1 ml of sea water?
    • 10 000.
    • 100 000.
    • 1 million.
    • 15 millions.

Preview — 5 of 95 questions

You are seeing the first 5 questions with answers. Unlock the remaining 90 to study the whole test — online or offline.

About this CBT test

Marine Environmental Awareness is a CBT test with 95 questions and verified answers. Common topics include: food chain, marine environment, sustainable development, levels phytoplankton, large zooplankton, predator fish, pools garbage, solid waste.

You can practise the free questions online — one at a time, with the correct answer — or unlock the whole test and download it to study offline, without internet.

Related CBT tests