Class 8 Exam > Class 8 Videos > Science Class 8 > Quick Revision: Microorganisms : Friend or Foe
Quick Revision: Microorganisms : Friend or Foe Video Lecture | Science Class 8
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FAQs on Quick Revision: Microorganisms : Friend or Foe Video Lecture - Science Class 8
| 1. How do microorganisms benefit humans? |  |
Ans. Microorganisms benefit humans in various ways such as aiding in digestion, producing antibiotics, decomposing waste, and helping in the production of food and beverages.
| 2. Can all microorganisms harm humans? | |
Ans. Not all microorganisms harm humans. Some microorganisms are actually beneficial and essential for various processes such as nutrient cycling and maintaining a balanced ecosystem.
| 3. How can we prevent the harmful effects of pathogenic microorganisms? | |
Ans. The harmful effects of pathogenic microorganisms can be prevented by practicing good hygiene, proper sanitation, vaccination, and use of antibiotics as prescribed by healthcare professionals.
| 4. What are some common examples of beneficial microorganisms? | |
Ans. Some common examples of beneficial microorganisms include probiotics, yeast used in baking and brewing, bacteria used in sewage treatment plants, and nitrogen-fixing bacteria in the soil.
| 5. How do microorganisms play a role in environmental sustainability? | |
Ans. Microorganisms play a crucial role in environmental sustainability by decomposing organic matter, cycling nutrients, and maintaining the balance of ecosystems. They are essential for the health of the planet and its inhabitants.
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Nov 21, 2024 Last updated |
Video Description: Quick Revision: Microorganisms : Friend or Foe for Class 8 2024 is part of Science Class 8 preparation.
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