Scuba Diving Quizzes & Trivia

We’re going deep underwater with these quizzes. It’s all about exploring the unknown and swimming with the fish. Ready to discover unbelievable reefs and incredible species? Then this trivia is right for you. Scuba diving starts right now with a few sample questions to accommodate you with the depth and darkness.

When did Sir Robert Davis, head of Siebe Gorman, perfect the oxygen rebreather? What was the name of the first successful scuba sets? What does the acronym SCUBA stand for? What are the main types of diving activity? What’s the deepest point a diver has reached, propelling him to Guinness Book of World Records? What’s the name of the largest reef, found off the coast of Australia? Catch your breath and get ready. You’re going in for more rounds!

Did you ever asked the question “What is SCUBA diving” How much do you know about scuba diving? Are you an expert, beginner or just needing to brush up on knowledge, whatever your reasons have fun with this ScubaQuiz....

Questions: 11  |  Attempts: 4214   |  Last updated: Feb 8, 2019
  • Sample Question
    The air in a scuba tank is comprised of _____ oxygen and _____ nitrogen.

Scuba diving is one of the extreme sports in most people's wish list. This quiz is for all the scuba divers out there and those interested in it. Take it up and not only test but also advance your knowledge.

Questions: 7  |  Attempts: 237   |  Last updated: Feb 7, 2018
  • Sample Question
    How many ATAs is at 33ft in salt water?

Welcome to the Underwater world quiz. You will be tested on all aspects of SCUBA diving both Civilan and Military. Good Luck.Divers do it with Style!! Mike Sheedy WdS

Questions: 5  |  Attempts: 17   |  Last updated: Jan 8, 2013
  • Sample Question
    What does the abbreviation ADS stand for in relation to military diving?


Questions: 3  |  Attempts: 10   |  Last updated: Feb 2, 2018
  • Sample Question
    The most important piece on your weight belt is the quick release?

This practice quiz will help you prepare for the final exam in the NAUI Basic Diver course. Feel free to take it as many times as you like!

Questions: 130  |  Attempts: 8   |  Last updated: Apr 25, 2016
  • Sample Question
    The top five gasses found in normal (atmospheric) air by volume are:

Scuba Diving Questions & Answers


What does the primary benefit of using nitrox gas, also called Enriched Air Nitrox (EANx) include while diving?
The answer to this is letter A. Nitrox. This is a type of gas that is known to be a mixture of Nitrogen and Oxygen. The oxygen concentration of this is said to be higher as compared to the amount of oxygen that we can normally find in the atmosphere.
What should a diver do when cleaning water from inside a mask fitted with a purge valve?
Look up, hold the top of the mask to the forehead, and exhale through the nose until the water is cleared gravity will force the water out the bottome of the mask. never look down
What is their adjusted maximum dive time for the third dive? A buddy team in a NAUI Master Scuba Diver Course makes an ocean dive to 95 feet for 20 minutes. After a surface interval of 2 hours and...
The answer to this question is B. It should be remembered that diving is going to be fun for a lot of people especially for new divers but it is dangerous for people to do repetitive dives. People are always recommended to rest first before diving ag
What is the best place to carry an alternative air source?
Correct answer is option D The best alternative place to carry air source in scuba diving is to attach to the triangle area between your chin and your chest. Placing the alternative air source between the chin and the chest ensures that an out or air
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