This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': 'Which one of the following statement about culture is TRUE? \nSelect and explain. \nA. Agar has nutrient propeies, B. Chocolate medium is selective medium, C. Addition of selective substances in a solid medium is called enrichment media, D. Nutrient broth is a basal medium', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Nutrient broth is a type of simple (basal) medium. It consists of peptone, meat extract, sodium chloride and water. Chocolate medium is a type of enriched medium. Addition of selective substance to a liquid medium is called enrichment medium. Ref: Greenwood 14 th Edition, Page 39; Textbook of Microbiology, Ananthanarayan and Paniker, 7th Edition, Chapter 4, Page 37.', 'role': 'assistant'}]