This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Carbohydrates, Subject name: Biochemistry
[{'content': "Seliwanoff's test is positive in: \nSelect and explain. \nA. Glucose, B. Fructose, C. Galactose, D. Mannose", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. B. FructoseSeliwanoff's test is a specific test for ketohexoses. It consists of resorcinol with HCL. It reacts with ketoses forming furfurals and then condenses to form a cherry colored complex. Given by fructose, sucrose.", 'role': 'assistant'}]