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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
Complete the following conceptual picture.
Give scientific reasons.
Enzymes obtained by microbial process are mixed with detergents.
__________ is a powerful antibiotic against treatment of tuberculosis.
Match the following.
| Column A | Column B |
| 1) Aspartame | a) Anaerobic respiration |
| 2) Fermentation | b) Microbial restrictor |
| 3) Niacin | c) Vanillin |
| 4) Essence | d) Sweetener |
Match the following.
| Column A | Column B |
| 1) Baker’s yeast | a) Probiotics |
| 2) Sauerkraut | b) Bread |
| 3) Ligases | c) Antibiotics |
| 4) Penicillin | d) Microbial enzyme |
Write a short note.
Microbial inoculants
Complete the concept map.
Briefly explain the environmental role of microorganisms in pollution control?
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 |
Complete the following chart:
