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Class 8
Chapter 2 Class 8 - Microorganisms : Friend and Foe

Chemical breakdown of substance by a microorganism is called Fermentation

EXAMPLE

Yeast helps in converting sugar into alcohol (by process of fermentation)

Yeast is grown on natural sugars grown in wheat,barley etc

Yeast converts sugar into alcohol by process called fermentation

 

Questions

NCERT Question 2 (f) - The process of conversion of sugar into alcohol is called

(i) nitrogen fixation (ii) moulding (iii) fermentation (iv) infection

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