Question

what are microorganisms?

Answer 1

it is a very small minute and it is microscopic which has its own significant role in all aspects
it may be beneficial or may even be harmful too

Answer 2

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$\large \sf(i) \: \underline{ \blue{ Microrganisms : - }}$

Organisms which are not visible thorough our naked eye and can be seen with the help of microscope are called microorganisms

$\large \sf(ii) \: \underline{ \orange{Groups \: of \: Microorganisms : - }}$

◉ BACTERIA

EXAMPLES :- cocci bacteria , Bacillus bacteria , Rhizobium

◉ FUNGI

EXAMPLES :- Pencillium , Rhizopus , Aspergillus

◉ VIRUSES

EXAMPLES:- Corona virus , Tobacco mosaic

◉ ALGAE

EXAMPLES :- Diatom , chlamydomonas , spirogyra

◉ PROTOZOA

EXAMPLES :- vorticella , Amoeba , Paramoecium

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• Yeast helps in the conversion of sugars into alcohol and also yeast is grown in natural sugars in grains like barley , wheat and etc

• Lactobaccilus bacterium helps in the conversion of milk to curd

• These are helpful In the production of antibiotics. Examples of antibiotics are pencillin , erythromycin , tetracycline and strptomycine and many more

• Microorganisms like Rhizobium , nostoc , azotobacter help in increasing soil fertility , in nitrogen fixation and in decomposition