Multiple choice Directions: Select that pair which is not related in this way. aeroplane : drone :: birds : chirp paper : crinkle silk : rustle elephant : tusk Reveal answer Fill a bubble to check yourself D Correct answer Explanation The pattern is object:sound (birds-chirp, paper-crinkle, silk-rustle). Aeroplane:drone fits this (aircraft make droning sounds). Elephant:tusk breaks the pattern - tusk is a body part, not a sound.