acharam (opposite being charam)
-
mobile
-
immobile
-
bile
-
pancreas
B
Correct answer
Explanation
Acharam means 'immobile' in Sanskrit. It's the opposite of 'charam' (mobile/moving), formed with the negating prefix 'a-'. Option B is correct. Options C (bile) and D (pancreas) are biological terms unrelated to this meaning.