Microbes In Human Welfare

Answer (a) Increased soil fertility

Answer (a) Azolla

Ethyl alcohol is commercially manufactured from sugarcane. Molasses is the byproduct of sugar industry. Ethanol is produced by the fermentation of molasses (contains glucose and fructose) by using yeast, Saccharomyces cerevisiae.

Bajra and maize are not used for manufacturing alcohol. Grapes are also used for formation of alcohol but not used commercially.