Statins,used as blood cholesterol-lowering agents,are extracted from:

Streptomycin is produced by which micro-organism?

Choose the correct statement regarding the industrial application of microbes.

Which of the following scientists established penicillin as an effective antibiotic?
$(i)$ Ernst Chain
$(ii)$ Alexander Fleming
$(iii)$ Howard Florey
$(iv)$ Waksman

Beer is obtained by the fermentation of seeds of

The large holes in Swiss cheese are due to the production of a large amount of $A$ by a bacterium $B$. Here $A$ and $B$ refer to: