Question

Write 10 lines on the usefulness of microorganisms in our lives

Answer 1

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● There are several microbes i. our surroundings , some of which are really helpful to us.
● LACTOBACILLUS is a helpful microorganism that us used to prepare curd.
● YEAST is a helpful microbe that is used in the process of fermentation.
● Various microbe such as Penicillium is used to make antibiotics such as Penicillin.
● ANABENA is a Algae that is used in biological nitrogen fixation.
● PARAMECIUM a protozoan is used to kill some harmful microbes. Virus such as polio and chicken pox virus us also used to make vaccines
● IDEONELLA SAKAIENSIS is used in PET plastic degradation.
● E - coli is used in insulin production and vitamins.
●SPIRULINA us used as food and protien supplement.
●SACCHAROMYCES CEREVISIAE is commonly used in wine production.

Answer 2

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A . Microorganisms are useful in our lives in the following ways :-

(i) Bacteria cause the decay of dead plants and animals.

(ii) Nitrogen fixing bacteria convert the atmospheric nitrogen into nitrates.

(iii) Bacteria are used in the production of vinegar, curd, cheese, etc.

(iv) Bacteria are used in sewage disposal plants.

(v) Scientists have discovered ways to change bacteria so that they produce valuable medical,