Multiple choice general knowledge science & technology Fear of darkness Scotophobia Lygophobia Achluophobia Nyctophobia Reveal answer Fill a bubble to check yourself A,B,C,D Correct answer Explanation All four options are valid terms for fear of darkness. Scotophobia (from 'scotos' - darkness), Achluophobia, Lygophobia, and Nyctophobia (from 'nyx' - night) all refer to this specific phobia.