Which bioactive molecule is produced by $Trichoderma$ $polysporum$?

. . . . . . are produced by yeast and act by competitively inhibiting the enzyme responsible for the synthesis of cholesterol.

Which scientists established the full potential of penicillin as an effective antibiotic by improving its production?

Assertion: Vitamin $B_2$ is found in cereals,green vegetables,brewer's yeast,egg white,milk,and liver.
Reason: It can be commercially produced by some yeasts.

Which microorganism is used to produce lactic acid?

Which one of the following is a wrong matching of a microbe and its industrial product, while the remaining three are correct?