OBS Online Boating Environmental Responsibility & Conservation 4

Question 1

What is 'gray water' as it relates to marine sanitation?

Accepted Answer

Wastewater from sinks, showers, and the galley aboard a vessel

Answer

Untreated sewage from the toilet holding tank

Answer

Bilge water mixed with engine oil and fuel

Answer

Rainwater collected on deck that may contain bird droppings

Question 2

A boater observes an injured sea turtle floating near the vessel. The correct action is to:

Accepted Answer

Contact the Coast Guard or a wildlife rescue organization and do not handle the animal

Answer

Attempt to tow the turtle to open ocean where it belongs

Answer

Pull it aboard and transport it to the nearest veterinarian

Answer

Photograph it and continue boating since turtles often rest at the surface

Question 3

Which international agreement governs the prevention of pollution from ships, including recreational vessels?

Accepted Answer

MARPOL (International Convention for the Prevention of Pollution from Ships)

Answer

COLREGS (International Regulations for Preventing Collisions at Sea)

Answer

SOLAS (Safety of Life at Sea)

Answer

UNCLOS (UN Convention on the Law of the Sea)

Question 4

What is the environmental benefit of using pump-out stations at marinas?

Accepted Answer

They remove sewage from holding tanks so it can be treated onshore rather than discharged into the water

Answer

They filter salt from bilge water before it enters freshwater systems

Answer

They recycle used engine oil into biodiesel for marina machinery

Answer

They collect used fishing line for recycling into new tackle

Question 5

What does a blue flag or diamond regulatory marker on the water typically indicate to boaters?

Accepted Answer

A controlled area with specific operating rules such as a manatee protection zone

Answer

A swimming area where motorized boats are prohibited

Answer

A rock or hazard below the surface that boaters must avoid

Answer

A designated anchorage area reserved for large vessels

Question 6

Antifouling bottom paint containing tributyltin (TBT) has been banned because it:

Accepted Answer

Is highly toxic to marine life including oysters, snails, and fish even at extremely low concentrations

Answer

Dissolves too quickly, requiring frequent reapplication

Answer

Reacts with saltwater to produce explosive gases

Answer

Leaves visible stains on docks and marina structures

Question 7

Why should boaters never release live bait fish into a water body different from where it was purchased?

Accepted Answer

Bait fish can introduce diseases, parasites, or become invasive species in new water bodies

Answer

Unused bait is the property of the bait shop and must be returned

Answer

Released bait fish attract predators that are dangerous to swimmers

Answer

Bait fish are protected under the Endangered Species Act