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2. Micro-Organisms: Friends and Foe
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Q72 of 104 Page 41

Yeast is used in the production of:

Yeast is used for commercial production of alcohol and wine.

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70

Draw a neat, labelled diagram of nitrogen cycle in nature. Which natural phenomenon occurring in the sky is responsible for nitrogen fixation?

71

The bread dough rises because of:

73

The process of conversion of sugar into alcohol is called:

74

Which of the following is an antibiotic?

Questions · 104
2. Micro-Organisms: Friends and Foe
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