/ Quizzes / Phobia Quiz Phobia Quiz Don't be afraid to take the Phobia Quiz... by David JohnsonMore phobias and phobia quizzes. Question 1 (out of 11): If you were afraid of the number 13 (as in Friday the 13th), you'd suffer from: thalassophobia triskaidekaphobia ailurophobia More Quizzes from Factmonster: Try another Science Quiz ! Quiz Archive