Scuba Diving Marine Life and Environment

Question 1

What is the correct response if a diver encounters a moray eel in the open?

Accepted Answer

Observe calmly from a distance without reaching into crevices

Answer

Moray eels are not aggressive unless provoked; divers should observe from a safe distance and never reach into holes or crevices where eels may be resting.

Question 2

What does 'buoyancy control' have to do with reef conservation?

Accepted Answer

Poor buoyancy leads to accidental contact with and damage to coral

Answer

Divers who cannot control their buoyancy accidentally fin, kneel on, or crash into fragile coral structures, causing lasting damage to slow-growing reef ecosystems.

Question 3

What is the main reason divers are advised not to touch marine life?

Accepted Answer

It can harm the animal and disturb its protective coating or behavior

Answer

Many marine animals have protective mucus coatings that human hands damage, and handling causes stress responses that can injure or kill the animal.

Question 4

Which of the following best describes responsible behavior near a sea turtle?

Accepted Answer

Remain still or move slowly, allow the turtle to approach, never chase or block its path

Answer

Sea turtles are protected species; divers must not chase, touch, or obstruct them and should let the animal dictate any interaction distance.

Question 5

What is coral bleaching caused by?

Accepted Answer

Elevated water temperatures causing coral to expel symbiotic algae

Answer

Coral bleaching occurs when thermal stress causes corals to expel the symbiotic zooxanthellae algae that give them color and nutrients, leaving the white calcium skeleton visible.

Scuba Diving Practice Test

Scuba Diving Practice Test

Scuba Diving Marine Life and Environment