Match column 1 with column 2 and choose the correct option.

A-iii, B-i, C-ii, D-iv

The correct answer is Option (3) – A-iii, B-i, C-ii, D-iv

A. Statins - iii. Monascus purpureus: Statins are a class of drugs used to lower cholesterol levels in the blood. They are produced by the fungus Monascus purpureus.

B. Dung - i. Biogas: Dung (especially from cattle) is used in biogas production. The anaerobic digestion of dung produces biogas, which is a mixture of gases including methane.

C. Ethanol production - ii. Saccharomyces cerevisiae: Ethanol is commonly produced through the fermentation of sugars by the yeast Saccharomyces cerevisiae. This process is widely used in brewing and biofuel production.

D. Penicillin- iv. Penicillium notatum : Penicillin was the first antibiotic to be discovered from mould Penicillium notatum.