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प्रश्न
Explain the uses of micro-organisms.
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उत्तर
Microorganisms have found widescale application in various industries. Some of their applications are:
- Use of Microorganisms in Food Industry:
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Lactobacillus bacterium promotes the conversion of milk into curd.
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Yeast is used in the preparation of breads, pastries, and cakes.
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- Use of Microorganisms in Vaccine Production:
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Protection of the body from the attack of various disease-causing microorganisms through vaccines is known as vaccination.
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A vaccine includes dead or weakened microbes that trigger the production of antibodies in the body.
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- Use of Microorganisms in Increasing Soil Fertility:
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Blue-green algae and Rhizobium are called biological nitrogen fixers.
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They fix atmospheric-free nitrogen to enhance soil fertility.
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These are just a few examples that highlight the commercial importance of these microorganisms.
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संबंधित प्रश्न
The process of conversion of sugar into alcohol is called ___________.
Find an odd one out.
Vinegar is used to bring sweetness in food products.
Which microbes convert uranium to its insoluble salts?
Give scientific reason.
Microbial enzymes are eco-friendly.
How is soil pollution controlled by microbes?
Complete the paragraph by selecting the appropriate option in parentheses.
(energy, microbial, erosion-proof, reused, purification, environmentally friendly)
Nowadays, instead of chemical catalysts, _______ enzymes are used in the chemical industry. These enzymes are active at low temperature, pH and pressure; due to which _______ is saved and _______ instruments are also not necessary. Enzymes carry out specific processes; hence unnecessary by-products are not formed due to which expenses on _______ are minimised. In case of microbial enzymatic reactions elimination and decomposition of waste material is avoided and enzymes can be _______ Hence, such enzymes are _______.
Agaricus is a biocontrol agent.
Complete the chart on production of beverages.
| S. No. | Fruit | Microbe used | Role of microbe used | Name of beverage |
| (a) | Caffea arabica | ______ | Separating seeds from fruit | Coffee |
| (b) | Theobroma cacao | Candida, Hansenula, Pichia, Saccharomyces | ______ | Cocoa |
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 ______.
