This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
Bacteriophages are mostly needed for - 
Select and explain. 
A. Bacterial identification, B. Epidermiologically, C. As antibacterial agent, D. Conversion propey in bacteria
A: Bacterial identification
Answer: A: Bacterial identification 
Explanation: Bacteriophages are needed for bacterial identification REF:<\p> MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE.457