Big holes in Swiss cheese are made by a

Options

A. a machine
B. a bacterium that produces methane gas
C. a bacterium producing a large amount of carbon dioxide
D. a fungus that releases a lot of gases during its metabolic activities

Answer

C

Explanation

Ripened cheese is prepared from unripened cheese by first dipping in brine, wiping and then maturation with different strain of bacteria and fungi. It takes 1-16 months for ripening. Large holed Swiss cheese is ripened with the help of `CO_(2)` producin (causing holes) bacterium called Propionibacterium sharmanii.