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प्रश्न
Write short notes on:
Economic importance of yeast
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उत्तर
Economic importance of yeast -
(i) Brewery - The brewing industry depends on the fermentation activity of yeasts. Yeast fermentation produces different types of beverages like wine, beer, alcohol, toddy, etc.
(ii) Baking - In bakeries during bread-making, when yeast is added to the flour its fermentation results in the production of carbon dioxide which produces soft bread.
(iii) Vitamins - Yeast is an important source of vitamin B-complex.
(iv) Food - Yeast is also used in the preparation of idli and dosa from a mixture of powdered rice and dal.
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संबंधित प्रश्न
If you leave a piece of moist bread covered under a small bell jar at a warm place, mould grows on it in a few days. Answer the following with reference to this observation:
How did the mould get inside the bell-jar?
If you leave a piece of moist bread covered under a small bell jar at a warm place, mould grows on it in a few days. Answer the following with reference to this observation:
What would happen if the bread was not covered by the bell-jar?
If you leave a piece of moist bread covered under a small bell jar at a warm place, mould grows on it in a few days. Answer the following with reference to this observation:
What would happen if moist bread was placed in a refrigerator?
Comment on the following:
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Statement I: Nostoc is a chemosynthetic autotroph.
Statement II: Nostoc can fix atmospheric nitrogen in heterocysts.
