Explain on the usefulness and harmful effecys of microorganisms

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.

Uses of microorganisms are:

  • Used in bakeries to bake food
  • Used in the production of organic substances
  • Some microbes present in our body help in building our immune system
  • These are also used in the process of digestion in our body
  • These are used in the production of relevant vitamins and minerals in our body
  • Blue-green algae and Rhizobium bacteria ( nitrogen-fixing bacteria) are present in their root nodules that can fix atmospheric nitrogen
  • Microorganisms play a vital role in maintaining ecological balance
  • Lactobacillus bacteria are responsible for the curd formation
  • Microorganisms help in carrying out the oxygen and nitrogen cycle in the atmosphere

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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