Class 8 2. Microorganisms : Friend And Foe Chapter Review: NCERT Book Solutions
Class 8 chapter 2. Microorganisms : Friend And Foe Important key points for quick revision for board exams, ssc and upsc exams preparaion.
NCERT Solutions
All chapters of ncert books Science 2. Microorganisms : Friend And Foe Chapter Review is solved by exercise and chapterwise for class 8 with questions answers also with chapter review sections which helps the students who preparing for UPSC and other competitive exams and entrance exams.
Class 8 chapter 2. Microorganisms : Friend And Foe Important key points for quick revision for board exams, ssc and upsc exams preparaion. - 2. Microorganisms : Friend And Foe - Chapter Review: NCERT Book Solutions for class 8th. All solutions and extra or additional solved questions for 2. Microorganisms : Friend And Foe : Chapter Review Science class 8th:English Medium NCERT Book Solutions. Class 8 chapter 2. Microorganisms : Friend And Foe Important key points for quick revision for board exams, ssc and upsc exams preparaion.
2. Microorganisms : Friend And Foe : Chapter Review Science class 8th:English Medium NCERT Book Solutions
Class 8 chapter 2. Microorganisms : Friend And Foe Important key points for quick revision for board exams, ssc and upsc exams preparaion. - 2. Microorganisms : Friend And Foe - Chapter Review: NCERT Book Solutions for class 8th. All solutions and extra or additional solved questions for 2. Microorganisms : Friend And Foe : Chapter Review Science class 8th:English Medium NCERT Book Solutions.
Class 8 2. Microorganisms : Friend And Foe Chapter Review: NCERT Book Solutions
NCERT Books Subjects for class 8th Hindi Medium
2. Microorganisms : Friend And Foe
Class 8 chapter 2. Microorganisms : Friend And Foe Important key points for quick revision for board exams, ssc and upsc exams preparaion.
Chapter Review
Chapter Review:
- There are other living organisms around us which we cannot see with eyes alone. These are called microorganisms or microbes.
- Microorganisms are classified into four major groups. These groups are bacteria, fungi, protozoa and some algae.
- Viruses are quite different from other microorganisms. They reproduce only inside the host organism; bacterium, plant or animal cell.
- Microorganisms are found in air, water and in the bodies of plants and animals.
- They can live in all kinds of environment, ranging from ice cold climate to hot springs and deserts to marshy lands.
- Some microorganisms are useful for commercial production of medicines and alcohol.
- Some microorganisms decompose the organic waste and dead plants and animals into simple substances and clean up the environment.
- There are some insects and animals which act as carriers of disease causing microbes. Like housefly.
- Disease causing agents are called pathogens.
- When a disease-carrying microbe enters our body, the body produces antibodies to fight the invader.
- Several diseases, including cholera, tuberculosis, smallpox and hepatitis can be prevented by vaccination.
- Process of conversion of sugar into alcohol is known as fermentation.
- Medicines which kill or stop the growth of the disease-causing microorganisms. Such medicines are called antibiotics.
- Microorganisms like amoeba can live alone, while fungi and bacteria may live in colonies.
- Microorganisms are used to increase soil fertility by fixing nitrogen.
- Lactobacillus bacteria are found in curd, which promotes the formation of curd.
- Sugar is converted into alcohol by yeast.
Class 8 chapter 2. Microorganisms : Friend And Foe Important key points for quick revision for board exams, ssc and upsc exams preparaion.
See other sub-topics of this chapter:
4. Additional Questions With Solutions
5. Additional Questions With Solutions
Class 8 chapter 2. Microorganisms : Friend And Foe Important key points for quick revision for board exams, ssc and upsc exams preparaion. - 2. Microorganisms : Friend And Foe - Chapter Review: NCERT Book Solutions for class 8th. All solutions and extra or additional solved questions for 2. Microorganisms : Friend And Foe : Chapter Review Science class 8th:English Medium NCERT Book Solutions. Class 8 chapter 2. Microorganisms : Friend And Foe Important key points for quick revision for board exams, ssc and upsc exams preparaion.
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NCERT Solutions
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Notes And NCERT Solutions
Our NCERT Solution and CBSE Notes are prepared for Term 1 and Terms 2 exams also Board exam Preparation.
Science Chapter List
1. Crop Production And Management
2. Microorganisms : Friend And Foe
3. Synthetic Fibres And Plastics
4. Materials : Metals And Non-Metals
5. Coal And Petroleum
6. Combustion And Flame
7. Conservation of Plants And Animals
8. Cell - Structure and functions
9. Reproduction in animals
10. Reaching the age of adolescence
11. Force And Pressure
12. Friction
13. Sound
14. Chemical Effects of Electric Current
15. Some Natural Phenomena
16. Light
17. Stars And The Solar System
18. Pollution of Air and Water
