write an article in about 300 words on friendly micro organism
Answers
Answer:Most microorganisms are beneficial, for example, there are microorganisms in our large intestine that synthesise vitamins and allow them to be absorbed into the bloodstream. Microorganisms are used for various purposes, such as preparation of curd, bread, cake; production of alcohol; cleaning up of the environment; preparation of medicines; etc.
In agriculture, microorganisms are used to increase soil fertility by nitrogen fixation.
The bacterium lactobacillus helps in the formation of curd.
The microorganisms, yeast is used for the commercial production of alcohol and wine.
For the large scale use of yeast, it is grown on natural sugars present in grains like wheat, barley, rice, crushed fruit juices, etc.
The process of conversion of sugar into alcohol (by yeast) is known as fermentation.
Streptomycin, tetracycline, and erythromycin are some of the commonly used antibiotics; these are made from fungi and bacteria.
These days, antibiotics are mixed with the feed of livestock and poultry that check microbial infection in the animals.
Several diseases, such as cholera, tuberculosis, smallpox and hepatitis can be prevented by vaccination.
In 1798, Edward Jenner discovered the vaccine for smallpox.