Certified Divers
Dive Koh Tao's best sites in small groups only - click here

Here's a free online quiz to test your diving knowledge (and remind you of some important diving principles).

See if you can get all 16 questions correct in 1 go (without cheating!!).

(Click on the answer that you think is correct)

Question 1

1) The main reason for wear a diving mask is?

a) so that you can attach a snorkel to it

b) it creates an air space so that your eyes can focus

c) it assist you in equalizing your ears

d) It help you to breath through your nose