%20scale(3)'%3E%3Cpath%20id='s'%20d='M0,-30%2017.63355,24.27051%20-28.53171,-9.27051H28.53171L-17.63355,24.27051z'%20fill='%23FF0'/%3E%3C/g%3E%3Cuse%20xlink:href='%23s'%20transform='translate(300,60)%20rotate(23.036243)'/%3E%3Cuse%20xlink:href='%23s'%20transform='translate(360,120)%20rotate(45.869898)'/%3E%3Cuse%20xlink:href='%23s'%20transform='translate(360,210)%20rotate(69.945396)'/%3E%3Cuse%20xlink:href='%23s'%20transform='translate(300,270)%20rotate(20.659808)'/%3E%3C/svg%3E){kind=small}
Search for current vacancies:
Show filters
Search in the database of seafarers' resumes:
Home Online tests CBT Test for seafarers about Marine Ecology, Environmental Awareness (CBT)
Online testing: Test for seafarers about Marine Ecology, Environmental Awareness (CBT)
Select the test mode:
Education
Online test
Description
Reviews
The test consists of 80 random questions.
Total questions on this topic: 84
Total questions on this topic: 84
Question 1 from 80
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
- 62
- 63
- 64
- 65
- 66
- 67
- 68
- 69
- 70
- 71
- 72
- 73
- 74
- 75
- 76
- 77
- 78
- 79
- 80
Which ONE group of chemicals are most likely to affect organisms living in water?
Dissolvers.
Evaporators.
Sinkers.
Floaters.
What is the ONE most relevant difference between the open seas and coastal seas with respect to sewage regulations?
Open oceans are nutrient-poor while coastal seas contain many nutrients.
Open oceans are deeper than coastal seas.
More whales live in the open oceans.
The coastal seas are more turbulent than open oceans.
Select the ONE option that most accurately describes the process of acidification/acid rain:
Certain compounds in engine air emissions form acids and increase the acidity of the environment.
Cargo residues containing acids are released into the marine environment.
Factories discharge waste water with acids into rivers and lakes.
Cleaning fluids containing acids have an impact on the environment.
The abbreviation HNS stands for:
Hazardous and Noxious Substances.
Hydrocarbons and Noxious Substances.
Huge Numbers of Ships.
Health, NOx and SOx.
Which ONE invasive species is best described by the following statement: This species has nearly wiped out the anchovy population in the Black Sea and Caspian Sea, causing losses of around 500 million euro’s per year and causing fishermen to stop fishing.
The comb jelly.
The blue mussel.
Green sea fingers.
Golden mussel.
Which THREE statements about tributyltin, TBT, are true?
Answer
In 2004, global economic losses caused by harmful invasive species were estimated to be:
7 billion euro’s per year.
500 million euro’s per year.
1 billion euro’s per year.
3 billion euro’s per year.
Marine invasive species may cause ecological damage in many ways. Which THREE of the following statements are true?
Answer
Which TWO statements apply to the inventory of hazardous materials (IHM) on ships?
Answer
Select THREE effects of ingestion of plastics:
Answer
The mission of the IMO includes promoting environmentally sound and sustainable shipping. Which ONE of the following conventions has had the largest contribution to a significant decrease in pollution from international shipping?
MARPOL.
STCW Code.
COLREG.
SOLAS.
Select the ONE option that most accurately completes the following statement. The theory of Ballast Water Exchange in mid-ocean is based on:
The difference in living circumstances between open ocean and coastal seas.
The amount of clean water available in the open ocean.
The difference is turbulence between open oceans and coastal seas.
The difference in depth between open ocean and coastal seas.
Which THREE processes determine the ecological effects of chemicals for the marine environment?
Answer
Select the ONE option that describes what special areas with stricter regulations under MARPOL Annex VI are called:
Emission Control Areas.
Particularly Sensitive Sea Areas.
Emission Restriction Areas.
Marine Protected Areas.
Which THREE of the following statements are true?
Answer
The ONE goal of the Ship Energy Efficiency Management Plan (SEEMP) is:
To reduce fuel consumption and decrease CO2 emissions.
To label the energy performance of the ship.
To manage the sulphur emissions of the vessel.
To check the attitude of the ship’s crew.
Which of the following THREE regarding the beaching of ships are correct?
Answer
Which THREE of the following statements is true?
Answer
What percentage of the world’s trade is carried out over sea?
90 %.
70 %.
50 %.
30 %.
According to the BWM Convention, Ballast Water Exchange will be phased out and replaced by Ballast Water Treatment; TWO reasons for this include:
Answer
Which ONE of the following is NOT a potential consequence of climate change?
Depletion of the ozone layer.
Sea level rise.
Extreme weather conditions.
Global temperature rises.
Select ONE option that best identifies human health effects caused by harmful invasive species:
Shellfish poisoning and cholera.
Flu and cholera.
Cholera and asthma.
Shellfish poisoning and flu.
Which THREE of the following conventions are designed to protect the marine environment?
Answer
Which ONE of these describes topics that are not part of MARPOL, but are captured in separate conventions?
Anti-fouling, alien species and ship recycling.
Air emissions, alien species and ship recycling.
Anti-fouling, alien species and garbage.
Anti-fouling, alien species and sewage.
Of the four chemical categories X, Y, Z, and OS in MARPOL Annex II which ONE category is the most dangerous?
X.
Y.
Z.
OS.
Which ONE option describes the areas affected by harmful invasive species?
Fisheries, water supply systems and harbours.
Fisheries.
Water supply systems.
Harbours.
Which ONE statement about the breaking down of plastics is true?
Plastics break down into ever smaller pieces.
Plastics dissolve in the water column when they break down.
Plastics are made of oil and some bacteria eat plastics.
Plastics are broken down by fish.
Select ONE option that most accurately completes the following statement: Sulphur oxides are formed:
When sulphur from the fuel reacts with oxygen in the air, in the engine.
When tank washings from oil tankers are discharged to the sea and evaporate.
When sulphur from the air reacts with oxygen from the air, in the engine.
When sulphur from the air reacts with hydrocarbons in the fuel, in the engine.
Select the ONE option why shipping is often referred to as one of the least environmentally damaging forms of transport (in comparison to road and air)?
Because it is by far the most energy efficient.
Because a large part of shipping takes place in remote ocean areas.
Because road and air transport modes use fuel with much more sulphur.
Because ships have the most modern engines.
Which ONE oil weathering process is best described by the following statement. “The oil slick on the water surface takes up sea water”.
Emulsification.
Spreading.
Dissolution.
Dispersion.
Select THREE long term effects of the Exxon Valdez spill:
Answer
Which ONE statement about tributyltin, TBT, is FALSE?
TBT caused animals to lose their reproductive organs.
TBT was a very effective anti-fouling method.
TBT is considered one of the most toxic substances ever deliberately released into the sea.
TBT bioaccumulates and is highly toxic.
Which ONE of the following statements regarding the Anti-Fouling Convention is true?
The Convention prohibits the use of harmful organic compounds containing tin in anti-fouling paints.
The Convention prohibits the use of all toxic substances in anti-fouling paint.
The Convention prohibits the use of heavy metals in anti-fouling paints.
Which ONE key element of the Ship Recycling Convention will have consequences for all ship’s crews?
Every ship must have an Inventory of Hazardous Materials.
Ship recycling yards must operate on the basis of a ship recycling plan.
Ship’s crew must remove all hazardous materials before a ship is accepted by a ship recycling yard.
Ships are inspected before they are scrapped.
Which group of chemicals causes most concern for vessel crew health?
Evaporators.
Sinkers.
Floaters.
Dissolvers.
Select TWO air emission problems that are caused by both sulphur oxides and nitrogen oxides:
Answer
Select the TWO options that complete the following statement. Crude oil is a complicated mixture containing:
Answer
Which ONE of the following methods contributes to the transport of large marine species to other sea areas by ships?
In ballast tanks – marine organisms are transported during their planktonic phase.
In ballast tanks – often filters don’t work.
In ballast tanks – they hide in the sediments.
By seafarers that keep aquaria on board.
Select THREE statements that apply to acute toxic effects:
Answer
Which of the following TWO statements are true?
Answer
Which ONE of the following statements is NOT true?
Ship sounds cause brain damage in whales and dolphins.
Ships noise causes problems for marine life when the background noise under water becomes too loud.
Ship noise causes problems when sounds have the same frequency as the sounds made by marine mammals.
Noise levels under water have doubled every ten years since the 1950s.
Which TWO of the following options apply to the MARPOL Convention?
Answer
Which TWO of the following statements are true?
Answer
Select TWO options that complete the following statement. Chronic effects of HNS are often unknown:
Answer
Select THREE of the following statements which are true:
Answer
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?
Answer
Which of the TWO answers below describe ecological impacts of chemicals for marine life?
Answer
Which ONE of the following statements best describes why the term “ship recycling” is accurate?
Up to 97 % of a ship can be reused.
The ships are dismantled and all materials used on new ships.
Most material from ships has to be thrown away.
10 % of a ship can be reused.
Which THREE of the following statements apply to problems caused by microplastics?
Answer
Which ONE of the following statements is NOT true?
Small particles (PM) are mainly a problem for humans because of their bad smell.
Air pollution can be a threat to human health.
Air pollution types that have most impact on human health are smog and particulate matter (PM).
Ozone is one of the main components of smog.
Select the ONE option that most accurately completes the following statement: Climate change can cause coral bleaching. This means that:
Corals release the algae that live within the coral tissues.
White corals grow better in higher temperature water.
Acidification caused by climate change turns the corals white.
Corals need to be painted white to protect them from higher temperatures.
Select ONE option that best describes an immediate or short term ecological effect of oil spills:
Oil coated wildlife, death of seabirds.
Cancers in fish, oil coated wildlife.
Cancers in fish, smothered coastlines.
Breeding problems for marine mammals, death of seabirds.
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.
The ONE option that describes the toxicological principles of the categories in MARPOL Annex II are:
Bioaccumulation, biodegradation and toxicity.
Toxicity, molecule size and density.
Density, bioaccumulation and toxicity.
Bioaccumulation, biodegradation and density.
Which TWO of the following environmental problems are an outcome of emissions from a ship sailing in the middle of the open ocean?
Answer
By 2020 the Global Sulphur Cap will be tightened to:
0,5 %.
2,0 %.
1,0 %.
0,1 %.
Which of the following TWO statements are true?
Answer
ONE of the processes that remove chemicals permanently from the environment is called:
Biodegradation.
Evaporation.
Dissolution.
Bioaccumulation.
Which of the TWO options correctly describes what happens when zooplankton is exposed to dissolved oil compounds in the laboratory?
Answer
Which TWO of the following statements are true?
Answer
Which THREE of the following statements are true?
Answer
Which ONE of the following statements best describes why plastic is found worldwide, even in remote areas?
Floating, persistent items can travel with sea currents.
Humans live everywhere.
Birds transport the plastic to remote places.
In the past, humans use remote areas as garbage dumps.
Which ONE statement applies to the pools of garbage?
Ocean currents drive plastic wastes together and the pools of garbage are like a plastic soup.
The pools of garbage are like solid islands one could walk on.
The pools of garbage are located in busy shipping lanes.
Most waste in the pools of garbage floats on top of the water surface.
According to this module, which THREE negative effects for humans were caused by mercury poisoning in the Minamata Bay case study:
Answer
Which ONE of the following statements best describes why animals eat plastics?
Because the plastic looks like food they normally eat.
Because they are stupid.
Because plastic tastes good to them.
Because they do not have anything else to eat.
Which THREE of the following statements are true?
Answer
List TWO pollutants from a ship that are NOT formed in the engine:
Answer
Which ONE process is best described by the following statement. “Chemicals are passed on in the food chain from prey to predator, and concentrations are highest in the top predator”.
Bioaccumulation.
Biodegradation.
Acute toxicity.
Chronic toxicity.
Which TWO of the following statements are true?
Answer
Which oil weathering process is best described by the following statement. “Part of the oil slick will break up into fragments and droplets of varying sizes”.
Dispersion.
Spreading.
Dissolution.
Emulsification.
Select ONE correct option that describes a problem caused by Particulate Matter (PM) in air emissions:
Health problems.
Ozone depletion.
Acidification.
Oil pollution.
Which THREE of the following statements are true?
Answer
Select the ONE option that best describes the main ways in which shipping contributes to the introduction of marine invasive species:
Ballast water and biofouling.
Ballast water and food waste.
Biofouling and solid waste.
Food waste and solid waste.
Select ONE correct option that correctly describes problems caused by carbon dioxide emissions:
Climate change.
Ozone depletion.
Acidification of freshwater lakes.
Health problems – smog.
When oil enters the sea, there are four main weathering processes that occur first, within a couple of days. These are best describes by which ONE option?
Spreading, evaporation, dispersion and emulsification.
Spreading, evaporation, sedimentation and emulsification.
Spreading, sedimentation, dissolution and emulsification.
Spreading, oxidation, dispersion and dissolution.
Select the ONE option that most accurately completes the following statement: Discharging sludge and waste oil is prohibited in all circumstances, but discharge of engine room bilge water:
Is allowed when the oil content is no higher than 15 ppm and the ship is proceeding en route.
Is allowed everywhere in the marine environment.
Is allowed when a ship is proceeding on route further than 200 nm from the shore.
Is never allowed.
Which ONE part of the oil is most toxic to plankton?
Aromatic hydrocarbons.
Heavy hydrocarbons.
Atoms containing sulphur.
Cyclic alkanes.
Select THREE of the following statements that apply to bioaccumulation:
Answer
Which ONE option is treated as an exception to the discharge of marine litter in the marine environment since 2013?
Ground food waste.
Very fine plastics.
Metals.
Paper.
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.
Тест охватывает вопросы осведомлённости о морской экологии, правилах защиты окружающей среды и международных стандартах по предотвращению загрязнения.
Only seamen can leave reviews. To leave a review, log in to the site with a seaman's account.
Be the first to review this online test!