Microorganisms Friend and foe class 8 matches the following questions and answers to help you comprehend the concepts provided in the Class 8 Science chapter-wise online test. We provide will help you in gaining complete knowledge of the concepts. This Matching the following type of questions and solution helps you gain extra knowledge on various aspects of Microorganisms Friend and Foe of the Class 8 Science textbook. Resource material that is recommended by top teachers and students. We advised you to take advantage of this online free exam for class 8 science. Class 8 Science Chapter 2 match the items of column I and column II of Microorganisms Friend and Foe. The new sets of match the items of column I and column II appear in each new test selected by students. If you have any doubts, please visit Discussion Forum to ask your doubts.
Class 8 science chapter 2 microorganisms friend and Foe
Class 8 Science Matching questions and answers for chapter 2 will help you in getting good marks in the examination and also aid you in laying a strong foundation for your future studies. Studying this NCERT Solutions will help you to understand higher-end topics related to Motion. These Matching tricks for class 8 questions & solutions provided here will present you with information on the major Types.
Class 8 microorganisms friend and foe notes
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Microorganisms: Microorganisms are tiny living organisms that cannot be seen with the naked eye. They include bacteria, viruses, fungi, and protozoa.
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Beneficial Microorganisms: Some microorganisms are beneficial to humans and the environment. For example:
- Decomposers: Microorganisms like bacteria and fungi help in the decomposition of dead plants and animals, recycling nutrients back into the ecosystem.
- Nitrogen Fixation: Certain bacteria convert atmospheric nitrogen into a usable form for plants, enriching the soil.
- Food Production: Microorganisms like yeast are used in the production of bread, curd, and alcoholic beverages.
- Biogas Production: Methanogenic bacteria help in the production of biogas from organic waste.
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Harmful Microorganisms: Certain microorganisms can cause diseases in humans, animals, and plants. For example:
- Pathogens: Pathogenic microorganisms like bacteria and viruses cause diseases such as cholera, tuberculosis, and influenza.
- Food Spoilage: Microorganisms can spoil food by causing rotting, fermentation, and contamination.
- Plant and Animal Diseases: Fungal, bacterial, and viral infections can damage crops, livestock, and pets.
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Prevention and Control: Proper hygiene practices, such as washing hands, maintaining cleanliness, and using disinfectants, can help prevent the spread of harmful microorganisms.
Microorganisms friend and foe class 8 extra questions
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Vaccination: Vaccines are used to stimulate the immune system and provide immunity against specific diseases caused by microorganisms.
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Antibiotics: Antibiotics are medicines that can kill or inhibit the growth of bacteria. However, their misuse can lead to antibiotic resistance, making the drugs less effective.
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Bioremediation: Microorganisms are used in bioremediation to clean up pollutants in the environment. They can break down harmful substances and convert them into less toxic forms.
Below we have embedded class 8 matching type of questions—question papers prepared by the most experienced teachers. If you have any doubts about solving the below questions then visit our Youtube channel Academic Excellence in School and watch the free video tutorials. You can view your marks immediately after taking the test. After submitting the Paper click on the View Score button to get the score. microorganisms friend and foe class 8 worksheet.
Please read the instructions carefully before the test.
1. All the students must take note of the time because the time limit is 45 minutes.
2. Attempt all the Questions.
3. Match the items in Column A with those in Column B:
4. Each match carries one mark.