Commercial Use
Commercial Use
Useful Microorganisms: Microorganisms benefit us in a number of ways. Their uses can be divided into four categories: commercial, medicinal, agricultural, and environmental.
Commercial Uses: Some of the commercial uses of microorganisms are given below.
The production of cheese and paneer (cottage cheese) also involves the use of bacteria like Lactobacillus and Streptococcus.
Curd and cheese manufacturers also add a substance called rennet (usually obtained from stomach linings of young cattle) to milk to make the process faster. Addition of rennet results in the formation of lactic acid, which makes the milk more acidic.
Making alcoholic beverages: Production of alcoholic beverages like beer and wine involves fermentation of sugar present in barley and grapes etc. by a microscopic fungus called yeast. Fermentation by yeast produces alcohol and carbon dioxide.
Making toothpaste: Shells of diatoms (a type of algae) are used in toothpaste to give it a gritty texture that helps in cleaning teeth. Xanthum gum, obtained from the bacteria Xanthomonas campestris, is also used in making toothpaste.
Barely is grounded to powder. The powder is mixed with water and some yeast. The mixture is kept in a closed and moist container. Which of the following will be produced ? | |||
| Right Option : D | |||
| View Explanation | |||
Yeast is used in the production of : | |||
| Right Option : B | |||
| View Explanation |
Which microorganisms have silica in their cell well? | |||
| Right Option : D | |||
| View Explanation | |||
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