This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Anatomy
True colour of cholesterol stone is 
Select and explain. 
A. Black, B. Brown, C. Dark yellow, D. Pale yellow
D: Pale yellow
Answer: D: Pale yellow 
Explanation: Cholesterol stones Cholesterol stone contains almost entirely cholesterol It is often solitary, pale and yellow in colour Ref: Sabiston 20th edition Pgno :1492