Microbes like ............ can be grown easily on material like waste water from potato processing plants (containing starch).

What are the characteristics of microbial colonies?

Where do microbes live?

Which was discovered by Alexander Fleming?

Consider the following statements:
$I.$ Antibiotics are chemical substances produced by some microorganisms which can kill or retard the growth of other disease-causing microorganisms.
$II.$ Penicillin is the first antibiotic discovered by Alexander Fleming $(1928)$,while working on the bacterium $Staphylococcus$ $aureus$.
$III.$ The function of penicillin as an antibiotic was established by Ernst Chain and Howard Florey.
Which of the statements given above are correct?

The term $LABS$ abbreviates as: