CBSE Class 8 Science Chapter 2 – Microorganisms: Friends and Foe Notes
The second chapter called Microorganisms: Friend and Foe throw light on the long-standing debate of whether microorganisms are good or bad. Thus, this chapter will help, to an extent, in clearing this matter. You can easily learn about various forms of microorganisms and their shapes and sizes. Other than that, you will learn about where they live as well. Furthermore, it discusses the various uses of microorganisms in commercial and medicinal sectors.
After that, it also covers the subject of harmful microorganisms and tells about them in detail. Â You will also learn about the various techniques of food preservation and the role of microorganisms in it. In addition, the student will be made familiar with Nitrogen fixation and the Nitrogen cycle in a brief manner. Thus, it assists the students in getting a fair idea about the pros and cons of microorganisms.
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Sub-topics covered under Microorganisms: Friend and Foe
- Disease-causing microorganisms
- Food Preservation
- Microorganisms and its uses
- Nitrogen Cycle
- Heterotrophs
- Inoculation
You can download Microorganisms: Friend and Foe Class 8 Notes by clicking on the download button below
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