Solution:Concept- Bacteria are used in the production of antibiotics. With the help of killed or weakened bacteria, antibiotics are produced. Some common genus from which antibiotics are produced are streptomyces and penicillin.
Streptomyces orientalis, Streptomyces griseus and Streptomyces rimosus all bacteria used in the production of antibiotics.
Hence, option 4 is the correct answer.