Ncert Exercises & Solutions

Q. 42 How was penicillin discovered?

Periciin was tho first antibiotic to be discovered and it was a chance discovery. Sit

Alexander Fleming observed natn unwashed culture plates of Staphylococous, a mould

Penicilium was growing,

This mould inhibited the growth of Stanhylococcus. Later the antibiotic was isolated from

this fungus an narned peniclin after ho mould Penis rotat.