List of top Microbiology Questions on Antibiotics

Match the antibiotics in Group I with the microorganisms that produce them in Group II. 
 

Match the antibiotics in Group I with the microorganisms that produce them in Group II.
Group 1Group 2
(P) Streptomycin(i) Streptomyces griseus
(Q) Bacitracin (ii) Bacillus licheniformis 
(R) Amphotericin B (iii)Streptomyces venezuelae 
(S) Chloramphenicol(iv) Streptomyces nodosus