Diving MCQs with Answer

Welcome to the Diving MCQs with Answers. In this post, we have shared a Test Preparation for Diving Online Test for different competitive exams in Sports Category. Find practice questions with answers of the Diving test online multiple choice questions with answers here. Each question offers a chance to enhance your knowledge regarding Diving.

What is the maximum depth recommended for recreational diving?
a) 30 meters
b) 40 meters
c) 50 meters
d) 60 meters

Which gas do most recreational divers breathe underwater?
a) Oxygen
b) Nitrogen
c) Helium
d) Carbon dioxide

What does the term “SCUBA” stand for?
a) Submarine Compressed Underwater
Breathing Apparatus
b) Self-Contained Underwater Breathing
Apparatus
c) Submerged Controlled Underwater
Breathing Apparatus
d) Subaquatic Contained Underwater
Breathing Apparatus

Breathing Apparatus
Which of the following is a common symptom of nitrogen narcosis?
a) Increased awareness
b) Reduced coordination
c) Enhanced decision-making
d) Heightened energy levels

What is the purpose of a dive computer?
a) To measure water temperature
b) To track dive time and depth
c) To communicate with other divers
d) To provide underwater lighting

What should you do if you experience a
“squeeze” during descent?
a) Ascend to the surface immediately
b) Descend further to equalize pressure
c) Ignore it and continue descending
d) Hold your breath until the discomfort passes

What does the acronym “OWD” stand for
in diving?
a) Open Water Diver
b) Oceanic Water Depth
c) Oxygen Water Diving
d) Overhead Water Depth

What is the purpose of a buoyancy compensator (B
c)?
a) To provide warmth underwater
b) To measure water pressure
c) To control buoyancy
d) To assist with underwater propulsion

What should you do if you encounter a strong underwater current during a dive?
a) Swim against the current to conserve air
b) Relax and let the current carry you until it weakens
c) Inflate your BC and ascend to the surface
d) Swim diagonally against the current to reach your destination

What is the purpose of a safety stop during ascent?
a) To conserve air
b) To prevent nitrogen narcosis
c) To off-gas excess nitrogen
d) To admire the underwater scenery

What is the recommended surface interval between repetitive dives?
a) 30 minutes
b) 1 hour
c) 2 hours
d) 24 hours

Which type of dive involves exploring underwater caves and caverns?
a) Wreck diving
b) Ice diving
c) Cave diving
d) Deep diving

What is the primary purpose of a dive flag?
a) To mark the location of underwater treasures
b) To indicate the presence of divers below
c) To attract marine life for observation
d) To signal for emergency assistance

Which diving skill is used to clear water from the mask?
a) Purging
b) Defogging
c) Mask clearing
d) Equalizing

What is the term for the maximum depth a diver can safely ascend to without required decompression stops?
a) Safe ascent depth
b) No-decompression limit
c) Maximum dive depth
d) Decompression ceiling

What should a diver do if experiencing a
“free flow” from their regulator?
a) Ascend rapidly to the surface
b) Continue breathing normally
c) Close the tank valve immediately
d) Share air with a buddy

Which marine animal is often mistaken for a dangerous predator but is harmless to humans?
a) Moray eel
b) Lionfish
c) Nurse shark
d) Barracuda

What should you do if you become separated from your dive buddy underwater?
a) Panic and swim to the surface
b) Continue the dive alone
c) Look for your buddy and reunite as soon as possible
d) Descend deeper to search for your buddy

Which type of dive typically involves a descent through a hole or opening in the ice?
a) Ice diving
b) Cave diving
c) Wreck diving
d) Night diving

What is the primary purpose of a weight belt in diving?
a) To increase buoyancy
b) To decrease buoyancy
c) To measure depth
d) To signal distress

Which piece of equipment measures the amount of air remaining in a scuba tank?
a) Submersible pressure gauge (SPG)
b) Dive computer
c) Octopus regulator
d) Weight belt

What is the recommended ascent rate for divers?
a) 5 meters per minute
b) 10 meters per minute
c) 15 meters per minute
d) 20 meters per minute

Which type of diving often involves the use of specialized tools and techniques to explore underwater shipwrecks?
a) Cave diving
b) Ice diving
c) Wreck diving
d) Night diving

What does the term “nitrogen narcosis”
refer to in diving?
a) Allergic reaction to nitrogen
b) Oxygen toxicity underwater
c) A state of euphoria caused by nitrogen buildup
d) Impaired judgment and coordination due to nitrogen at depth

What is the primary function of a dive light?
a) To signal for help
b) To illuminate underwater surroundings
c) To scare away marine predators
d) To communicate with other divers

Which gas is the primary component of air used for scuba diving?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Helium

What is the purpose of the “buddy check”
before a dive?
a) To assess each other’s diving skills
b) To determine the dive site’s safety
c) To ensure each other’s equipment is
functioning properly
d) To decide on the dive plan

Which type of dive often involves observing marine life that is more active at night?
a) Night diving
b) Cave diving
c) Ice diving
d) Deep diving

What should a diver do if they experience symptoms of decompression sickness?
a) Continue diving to finish the planned dive
b) Ascend to the surface as quickly as possible
c) Make a controlled ascent and seek medical attention
d) Descend deeper to relieve pressure

What is the primary danger associated with hyperventilation before a dive?
a) Increased risk of nitrogen narcosis
b) Decreased risk of oxygen toxicity
c) Reduced buoyancy control
d) Increased risk of shallow water blackout

What does the term “neutral buoyancy”
mean in diving?
a) Being positively buoyant
b) Being negatively buoyant
c) Remaining at the same depth underwater
d) Achieving a balance between weight and buoyancy

Which diving certification agency is one of the most widely recognized globally?
a) NAUI (National Association of
Underwater Instructors)
b) PADI (Professional Association of
Diving Instructors)
c) SSI (Scuba Schools International)
d) BSAC (British Sub-Aqua Club)

What should you do if you encounter a potentially dangerous marine animal while diving?
a) Try to touch or interact with the animal
b) Remain calm and maintain a safe distance
c) Swim away from the animal as quickly as possible
d) Attempt to feed the animal to distract it

Which gas is used in enriched air nitrox diving to replace some of the nitrogen in the breathing mixture?
a) Oxygen
b) Helium
c) Argon
d) Carbon dioxide

What is the recommended depth for a safety stop?
a) 3 meters
b) 5 meters
c) 10 meters
d) 15 meters

Which condition can occur if a diver ascends too quickly, causing bubbles to form in the bloodstream?
a) Hypothermia
b) Oxygen toxicity
c) Decompression sickness
d) Nitrogen narcosis

What does the term “dive profile” refer to in diving?
a) The physical shape of a dive site
b) The planned sequence of dive activities
c) The graphical representation of a
dive’s depth and duration
d) The equipment configuration used for a specific dive

What should you do if you experience a leg cramp during a dive?
a) Panic and signal for help
b) Continue diving and ignore the discomfort
c) Stop, signal your buddy, and stretch the affected muscle
d) Remove your fins and swim without them

Which diving skill involves breathing from an alternative air source in an emergency?
a) Mask clearing
b) Buddy breathing
c) Controlled buoyant lift
d) Equipment retrieval

What should you do if you notice a leaking O-ring on your scuba tank valve before a dive?
a) Ignore it and proceed with the dive
b) Attempt to tighten the O-ring with your fingers
c) Notify the dive shop staff for assistance
Diving MCQs with Answers 7
d) Apply grease to the O-ring to stop the leak

Which type of dive is conducted at night and requires specialized equipment such as underwater lights?
a) Deep diving
b) Ice diving
c) Wreck diving
d) Night diving

What should you do if you experience difficulty equalizing your ears during descent?
a) Continue descending and hope the problem resolves itself
b) Ascend slightly until the discomfort eases
c) Descend rapidly to equalize the pressure
d) Ignore the discomfort and continue descending

Which gas is commonly used in technical diving to reduce the risk of nitrogen narcosis and decompression sickness?
a) Helium
b) Oxygen
c) Nitrogen
d) Argon

What should you do if you encounter a strong current while diving and cannot swim against it?
a) Ascend to the surface immediately
b) Stay at your current depth and conserve energy
c) Use the current to your advantage and drift with it until it weakens
d) Signal for help and wait for assistance

Which diving certification level allows divers to explore deeper depths and more challenging dive sites?
a) Open Water Diver
b) Advanced Open Water Diver
c) Rescue Diver
d) Divemaster

What is the primary purpose of a dive knife?
a) To defend against marine predators
b) To pry open underwater objects
c) To cut entangling lines or nets
d) To mark underwater navigation points

What should you do if you experience a loss of visibility during a dive?
a) Panic and signal for help
b) Surface immediately
c) Continue the dive cautiously
d) Inflate your BC and ascend slowly

What is the purpose of a safety sausage or surface marker buoy (SMb)?
a) To attract marine life
b) To mark underwater hazards
c) To indicate the diver’s position on the
surface

Which type of dive often involves swimming with marine mammals like dolphins or whales?
a) Reef diving
b) Drift diving
c) Marine park diving
d) Wildlife diving

What is the purpose of a dive watch?
a) To measure water temperature
b) To track elapsed dive time
c) To communicate with other divers
d) To provide illumination underwater

If you are interested to enhance your knowledge regarding Physics, Chemistry, Computer, and Biology please click on the link of each category, you will be redirected to dedicated website for each category.