Useful and Harmful Microbes Class 9 Science Notes Maharashtra Board
Useful and Harmful Microbes Class 9 Science Notes Maharashtra State Board Useful Micro-Organisms Lactobacilli Smear a drop of fresh buttermilk on a glass slide. Stain it with methylene blue and put a coverslip over it. Observe the smear under the 10X objective of a compound microscope and then with the more powerful 60X objective. Did … Read more