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Learn about microorganisms, their types, uses and diseases. Find out how microorganisms are involved in food production, environmental cleaning, medicine and agriculture.
- Classification of Microorganism
- Useful Microorganisms
- Harmful Microorganisms
- Some Interesting Facts About Microbes
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Microbes are categorized into four major groups: 1. Bacteria 2. Fungi 3. Algae 4. Protozoa Viruses, on the other hand, are microscopic but differ from microbes. Differ in their reproduction aspects, as they reproduce only in the cells of their hosts. These host organisms can be of animals, bacteria or even plants for that matter. A virusis typicall...
Following are a few examples of useful microorganisms: 1. Extensively used in the baking industry to make cakes, bread, pastry etc. 2. Used in the production of milk products. Example: Lactobacillus bacteria is used in the formation of curd from milk 3. Since ages, microbes are being used in the production of alcohol 4. It is also used to make orga...
The microorganisms that cause diseases in living beings are known as pathogens.The pathogens can enter our bodies through air, water and food.Some pathogens are transmitted directly from an infected person.The diseases which are transmitted by an infected person directly or indirectly are known as communicable diseases. For eg., common cold, tuberculosis, etc.Microbes can be fatal.Microbes in our gut cause change of mood.Dry hands have fewer bacteria than damp hands.The smallest known bacteria is the Mycoplasma.Learn about the classification, uses and diseases caused by microorganisms such as bacteria, fungi, algae and viruses. Find out some interesting facts and examples of microbes in our environment and body.
Jan 24, 2024 · CBSE Class 8 Science Notes Chapter 2 Microorganisms: Friend and Foe Pdf free download is part of Class 8 Science Notes for Quick Revision. Here we have given NCERT Class 8 Science Notes Chapter 2 Microorganisms: Friend and Foe.
Learn about microorganisms, their types, uses, diseases and preservation in this chapter of CBSE Class 8 Science Notes. Find out how microbes are friend and foe for humans and plants with examples and videos.
- The different types of microorganisms are bacteria, archaea, fungi (yeasts and molds), algae, protozoa and viruses.
- Inactivated forms of viruses/dead viruses are usually used in vaccines.
- The main uses of microorganisms are Baking, Organic acids, Fermentation, Enzyme and steroid production, Insecticide and pesticide production.
Oct 4, 2019 · Learn CBSE provides NCERT solutions for class 8 science chapter 2, which covers the topics of microorganisms, their uses, harms, food preservation, nitrogen fixation and cycle. The web page also has NCERT textbook questions, intext activities and answers.
Learn about microorganisms, their types, uses, and harmful effects with NCERT solutions for Class 8 Science Chapter 2. Download PDF of exercise questions, chapter notes, and important questions for exam preparation.
Learn about the different types of microorganisms that live on and in our bodies, and how some are beneficial while others are harmful. Explore the characteristics, shapes and examples of bacteria, viruses and parasites, and how they affect our health.
