Phage typing is widely used for the intraspecies classification of one of the following bacteria:: (A) Staphylococci, (B) E. coli, (C) Kleb. Pneumoniae, (D) Pseudomonas aeruginosa
Answer is A. Ans. is 'a' i.e., StaphylococciStaphylococcus strains are further differentiated into subspecies level on the basis of their bacteriophage susceptibility.