write 10 lines on the usefulness of microorganism in our life
Answers
Answer:
Micro-organisms are too small to be seen through naked eyes. However, they are vital to plants and the environment.
i. Lactobacillus is used to form curd from milk.
ii. Rhizobiums present in the roots of pulse plants fix nitrogen from air and supply nitrogen compounds to the pulse plants.
iii. Micro-organisms are also used in winemaking, baking, pickling, and other food making processes.
iv. Alcoholic fermentation by yeast is widely used in the preparation of wine and bread.
v. 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 can be absorbed by plants.
vi. Microbes also play an important role in the preparation of medicines. Antibiotics are chemicals produced by micro-organisms to kill bacteria. Penicillin is an antibiotic made from Penicillium.
vii. Bacteria present in our intestine helps in proper digestion and release Vitamin B which is absorbed by intestine.
viii. Many vaccines are prepared from micro-organisms. These vaccines are given to children to protect them from disease.
ix. Certain microbes are also used in the biological treatment of sewage and industrial effluents.
x. Yeast is used in making idli, bhaturas, bread, pastries and cakes.
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Uses of microorganisms:
(i) Microorganisms help in the preparation of curd, bread, cake etc.
(ii) They are used to produce alcohol at large scale.
(iii) Yeast is used to prepare vinegar.
(iv) Microorganisms are used to make wines.
(v) They act as cleaning agent and decompose the waste products into manure.
(vi) They destroy the plant and animal dead bodies by decomposing them.
(vii) They increase soil fertility by fixing nitrogen of atmosphere.
(viii) They are used in making medicines like antibiotics and vaccines.
(ix) They are used as preservatives for food items.
(x) They help in various metabolic activities in our body.
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