Bordeaux mixture is named after

The phenomenon of antibiotics was discovered by

The first antibiotic was discovered accidentally by $A$ while working on $B$.

Which of the following microbes is the source of the first antibiotic?

Identify the correct statements with respect to antibiotics:
$(i)$ Fleming,Chain,and Florey were awarded the Nobel Prize in $1945$.
$(ii)$ Antibiotics have greatly improved our capacity to treat deadly diseases.
$(iii)$ Penicillin was used to treat American soldiers wounded in World War $I$.

The drug quinine is obtained from which of the following?