Write 10 lines on the usefulness of microorganisms in our lives.
Answers
Explanation:
Micro-organisms are too small to be seen through naked eyes. However, they are vital to plants and the environment. Given below are the few uses of microorganisms:
Lactobacillus is used to form curd from milk.
Rhizobium present in pulse plants’ roots fix nitrogen from the air and supply nitrogen compounds to the pulse plants.
Micro-organisms are also used in winemaking, baking, pickling, and other food-making processes.
Alcoholic fermentation by yeast is widely used in the preparation of wine and bread.
Microbes are used to reduce pollution. For example, decomposers such as bacteria and fungi break down dead bodies and excreta to form inorganic compounds, which plants can absorb.
Microbes also play an important role in the preparation of medicines. Antibiotics are chemicals produced by microorganisms to kill bacteria. Penicillin is an antibiotic made from Penicillium.
Bacteria in our intestine helps in proper digestion and release vitamin B, absorbed by the intestine.
Many vaccines are prepared from micro-organisms. These vaccines are given to children to protect them from the disease.
Certain microbes are also used in the biological treatment of sewage and industrial effluents.
Yeast is used in making idli, bhaturas, bread, pastries, and cakes.
Microorganisms are very useful to us. They help us in following ways:
(i) Microorganisms help us in food sector. They are used for curdling of milk, preparation of bread, cake, etc.
(ii) Microorganisms are used to produce alcohol at large scale.
(iii) They are also used to produce wine.
(iv) Yeast is used in bakeries.
(v) They are also used as preservatives for food items.
(vi) They are used to make different medicines, especially the antibiotics.
(vii) Microorganisms are used to prepare vaccines for various diseases.
(viii) They are useful for agriculture sector, as they enhance the fertility of soil by fixing nitrogen.
(ix) They work as natural cleaners, as they decompose the dead bodies of plants and animals.
(x) Microorganisms prepare manures by decomposing dead bodies of plants and animals.