Microorganisms Friend and Foe Class 8 fill-in-the-blank questions and answers 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 fills-in-the-blanks type of question and solution helps you gain extra knowledge on various aspects of motion and time class 8 extra questions with answers. 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 Fill in the blanks of Microorganisms Friend and Foe. The new sets of fill-in-the-blanks appear in each new test selected by students. If you have any doubts, please visit Discussion Forum to ask your doubts.
Microorganisms friend and foe class 8 questions answers
Class 8 Science fill-in-the-blanks 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 and time. These fill-in-the-blank 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.
- Medicine: Some microorganisms produce antibiotics and vaccines that help in treating and preventing diseases.
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Harmful Microorganisms: Certain microorganisms can cause diseases in humans, animals, and plants. For example:
Microorganisms friend and foe class 8 solutions
- 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 Diseases: Fungal and bacterial infections can damage crops and plants, leading to reduced yield.
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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.
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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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Sterilization and Pasteurization: Sterilization is the process of killing all microorganisms, while pasteurization is the process of heating food or liquids to kill harmful microorganisms without affecting taste or nutritional value.
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Below we have embedded class 8 fill-in-the-blanks 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. fill in the blanks with suitable words
4. Each match carries one mark.
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