Which of the following microbe is used for making bread?

Saccharomyces cerevisiae

The correct answer is Option (2)-Saccharomyces cerevisiae

Baker's yeast, Saccharomyces cerevisiae, is used to ferment the dough used for making bread. This yeast helps in the process of leavening by converting the sugars in the dough into carbon dioxide, which causes the dough to rise.

Cyclosporin A is a bioactive molecule that is widely used as an immunosuppressive agent in organ transplant patients.This important medication is derived from the fungus Trichoderma polysporum.

Microbes are also used for commercial and industrial production of certain chemicals like organic acids, alcohols and enzymes. Examples of acid producers are Aspergillus niger (a fungus) of citric acid.

Propionibacterium sharmanii is used to make swiss cheese .The large holes in ‘Swiss cheese’ are due to production of a large amount of CO₂ by a bacterium named Propionibacterium sharmanii.