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: Pharmacology
Multiple drug resistance is transferred through - 
Select and explain. 
A. Transduction, B. Transformation, C. Conjugation, D. Mutation
C: Conjugation
Answer: C: Conjugation 
Explanation: Ans. is 'c' i.e., Conjugation Resistance to multiple drugs is transmitted by R factor (plasmid) o R factor is transferred from one bacterium to other by conjugation. o Transduction and mutation usually cause resistance to one drug. o Transformation is not involved significantly in drug resistance.