Question

write a paragraph on usefulness and harmful effects of microorganisms...​

Answer 1

Answer:--

Microorganisms are minute organisms that are invisible to the naked eye. Microorganisms are so small that they can only be seen under a microscope. These include a huge range of organisms such as bacteria, viruses, fungi, algae, protozoa, etc. These microbes can be beneficial as well as harmful in many ways.

Harmful effects of microorganisms are:-

Food spoilage.Spreading of diseases.Disinfecting the surfaces where the microbe resides.Harmful diseases like tuberculosis, cholera, Diptheria, etc are spread by microbes

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Answer 2

Microorganisms can prove very harmful to us, as they cause a number of diseases in human, plants and animals. Diseases in humans like common cold, tuberculosis, measles, chicken pox, polio, cholera, typhoid, hepatitis B, malaria, etc. are caused by microorganisms

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