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
Principal of using Robeson cooked meat broth: 
Select and explain. 
A. Meat kills other bacteria, B. Meat is utilized by anaerobes, C. Content of meat extract utilize 02, D. All of the above
C: Content of meat extract utilize 02
Answer: C: Content of meat extract utilize 02 
Explanation: Ans. is. 'c' i. e., Content of meat extract utilize 02