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प्रश्न
Give reasons.
Bread 'rises' during baking.
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उत्तर
Bread rises during baking primarily because yeast fermentation produces carbon dioxide gas, which gets trapped within the dough, causing it to expand. This process, along with the development of gluten from flour proteins, gives bread its characteristic texture and structure.
संबंधित प्रश्न
Garbage is converted into ______ by micro-organisms.
Shelf life of yogurt can be increased by pasteurization.
Which fungus is used to make soya sauce by fermentation?
Give scientific reason.
Bread and other products made using commercial yeast are nutritious.
Write a short note.
Bioinsecticides
How are microbes useful in land filling for solid waste management?
Observe the figure and write the answers to the questions asked.
- Write the name of the fungus in the figure above.
- What is the source of these fungi?
- Which organic acid obtained from this organism is used in commercial production?
Nostoc is used for fixing nitrogen.
In the process of making bread the carbohydrates in the flour are fermented by baker's yeast and sugar is transformed into carbon dioxide and ______.
Complete the given paragraph by filling the blank spaces from the options given in the bracket:
[oxygen, pyridines, mechanical, CO2, petroleum, fatal, polyester, norcadia]
Spilling of ______ oil occurs in ocean due to various reasons. This oil may prove ______ and toxic to aquatic organisms. It is not easy to remove the oil layer from surface of water by ______ method. However, bacteria like pseudomonas spp. and Alcanovorax borkumensis have to ability to destroy the ______ and other chemicals. Hence, these bacteria are used to clear the oil spills. These are called as hydrocarbonoclastic bacteria (HCB). HCB decompose the hydrocarbons and bring about the reaction of carbon with ______. ______ and water is formed in this process.
