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Microbes in Human Welfare

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12

Ethanol is commercially produced through a particular species of 

  • Clostridium

  • Trichoderma

  • Aspergillus

  • Saccharomyces



Yeast (saccharomyces cerevisiae) is used for commerical proudction of ethanol.

Yeast (saccharomyces cerevisiae) is used for commerical proudction of ethanol.

What is the difference between rum and whisky ?

Rum is obtained by the fermention of  sugarcane juice or molasses. It is fermented for a shorter period of time
whisky is obtained by fermentation of grains like wheat, corn,barley and rye. The fementation is done for a longer period of time.

Give the source of invertase enzyme (sucrase).

Saccharomyces cerevisiae 

What is brewing ?

Brewing is a complex fermentation process, which involves the production of malt beverages such as beer, ale and stout. Saccharomyces cerevisiae is used for the process of fermentation.

Name one micro-organism which is used in bakery.

Yeast .

Which bacterium is responsible for the formation of curd from milk?

Lactobacillus  (Lactic acid bacteria).