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
Anti-tubercular drug susceptibility can be done by all of the following methods, except - 
Select and explain. 
A. Resistance ratio method, B. Disc diffusion method, C. Molecular method, D. Radiometric broth method
B: Disc diffusion method
Answer: B: Disc diffusion method 
Explanation: None