This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'Branch of Pharmacology that deals with medicinal drugs obtained from plants and other natural sources is known as \nSelect and explain. \nA. Pharmacognosy, B. Pharmacogenomics, C. Pharmacopoeia, D. Chronopharmacology', 'role': 'user'}, {'content': 'Answer: A \nExplanation: .', 'role': 'assistant'}]