Question

what is antibiotics? name the scientist who discovered first antibiotics. also give the name this antibiotic.

Answer 1

antibiotics are a branch of medicines prepared from certain microorganisms, which inhibit the growth of, or kill the other harmful microorganisms.
Alexander Fleming discovered the first antibiotic penicillin, made from the microorganism, penicillium notatum.

Answer 2

Antibiotics (from ancient Greek αντιβιοτικά, antibiotiká), also called antibacterials, are a type of antimicrobial drug used in the treatment and prevention of bacterial infections. They may either kill or inhibit the growth of bacteria. A limited number of antibiotics also possess antiprotozoalactivity.Antibiotics are not effective against viruses such as the common cold or influenza; drugs which inhibit viruses are termed antiviral drugs or antivirals rather than antibiotics.Alexander Fleming first accidentally discovered antibiotics.Penicillin