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Question

(a) What is meant by fermentation ? Name the scientist who discoverd fermetation.

(b) Which micro-organisms help in cleaning the environment ?


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Solution

a) Fermentation is the process of conversion of sugar into alcohol.
The scientist who discovered fermentation was Louis Pasteur in 1857.
Yeast converts sugar into alcohol during fermentation.
b) Some bacteria and blue and green algae help in clean the environment and decomposing dead organic waste.

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