Bioactive molecules like statins are produced by :

Monascus purpureus

The correct answer is Option (2) -Monascus purpureus

Statins produced by the yeast Monascus purpureus: Statins are a group of drugs that are used to lower cholesterol levels in the body.

Trichoderma polysporum produces an immunosuppressive agent cyclosporin A: Cyclosporin A is an immunosuppressive drug used to prevent rejection in organ transplantation.

Acetobacter aceti produces acetic acid: Acetic acid is the main component of vinegar, and it is produced by the bacterium Acetobacter aceti through the fermentation of ethanol.

Streptococcus produces the clot buster enzyme streptokinase: Streptokinase is an enzyme produced by some strains of Streptococcus bacteria. It is used to break down blood clots in medical treatments.

These microorganisms play essential roles in the production of various bioactive molecules and have significant applications in medicine and industry.