Purified antibiotic penicillin of Penicillium notatum was obtained by

The antibiotic extracted from Penicillium notatum is -

Penicillium notatum is a _______

The antibiotic penicillin affects bacterium to stop:-

Assertion (A): Penicillin is an antibiotic extracted from Penicillium notatum. Reason (R): It can kill (or) inhibits the growth of the other micro organism.

Antibiotic Penicillin is more effective on