Multiple choice general knowledge science & technology Trichology Study of hair and its disorders Study of Friction and Wear between surfaces Study of places and their natural features Collection of bond and Share certificates Reveal answer Fill a bubble to check yourself A Correct answer Explanation Trichology is the branch of dermatology that deals with the scientific study of hair health and scalp diseases. Option A correctly identifies this. Option B describes tribology, C describes toponymy, and D is unrelated to science.