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Amount of questions: 17.
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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.
10 000 kg.
A food chain has three levels and 1 000 000 kg of phytoplankton. Thefood chain consists of phytoplankton-large zooplankton- predator fish. How much of the top predator will be produced according to the 10 % rule?
100 000 kg.
1 000 kg.
10 000 kg.
Select from the given options the statement which is most correct in relation to the marine environment.
Food chains are connected in more complex food webs.
Each marine species belongs to only one food chain throughout its life.
Energy in marine food chains increases at each higher trophic level.
Select the options that most accurately completes the following statement. Bacteria are an important element in the marine environment primarily because...
They consume all phytoplankton to regulate the marine ecosystem.
They break down the waste produced in the food chain.
They produce oxygen by feeding on large fish.
Select the options that most accurately completes the following statement. In coastal seas a typical food chain normally has...
4 levels.
2 levels.
6 levels.
Select the options that most accurately completes the following statement. “In open oceans a typical food chain normally has....”
3 levels.
6 levels.
4 levels.
Select the options that most accurately completes the following statement.‟Oceans are important for humans because...”
..They provide fish and regulate our climate.
They are the primary source of all freshwater on Earth.
They prevent all natural disasters from occurring along coastlines.
Select the options that most accurately completes the following statement.‟The People (P) in sustainable development relates to....”
Increasing company profits through higher production efficiency.
Reducing fuel consumption by introducing new engine technologies.
Acceptable working conditions for employees and societal acceptance.
Select the options that most accurately completes the following statement.‟Plankton in the open ocean are usually small because....”
...open oceans are nutrient- poor.
Open oceans have too many predators that only eat large plankton.
Small plankton are unable to survive in coastal waters.
Select the options that most accurately completes the following statement.‟ Sustainable development has three aspects, often represented by the three P‟s, which are....”
People, Production and Pollution.
People, Planet and Profit.
Planet, Power and Progress.
Select the options that most accurately completes the following statement.‟ The planet (P) in sustainable development relates to...”
Increasing economic growth and financial performance.
Improving employee benefits and workplace satisfaction.
Care for the natural world.
Select the options that most accurately completes the following statement.‟ The Profit (P) in sustainable development relates to....”
..Marking a business profit while recognizing sustainable demands.
Eliminating all environmental impacts caused by business activities.
Providing equal working conditions and social benefits for all employees.
Which IMO convention contains the main environmental regulations for shipping?
SOLAS.
STCW.
MARPOL.
Which one of the given options best describes the process of photosynthesis?
Plants use oxygen to produce carbon dioxide and release energy from sunlight.
Plants use sunlight to produce sugars and oxygen.
Plants absorb sugars from the soil and convert them into oxygen using water.
Which one of the statements given in the options is FALSE?
Open oceans have a richer sea life than coastal seas.
Coastal seas generally contain more nutrients than open oceans.
Coastal seas support a high diversity of marine organisms.
Which one of the statements given in the options is FALSE?
Seafarers should communicate and participate in improving onboard procedures.
Seafarers contribute to safe and efficient operations onboard through their actions.
Seafarers have no influence on how things work onboard; they should just follow orders.
A food chain has five levels and 1 000 000 kg of phytoplankton. The food chain consists of phytoplankton- samll 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.
Welcome to the website where you can pass online the Computer Based Test (CBT) also known as Crew Evaluation System (CES) on the subject «Marine environmental awareness». Practice like this will help you as a marine specialist improve your knowledge with the help of online studying and appraisal practice. CES/CBT based on practical information and marine specialists experience.
