Home Science Class 8- Chapter 2- Microorganisms: Friend and Foe – Quiz 1 Science Class 8- Chapter 2- Microorganisms: Friend and Foe – Quiz 1 10 Questions, each question is of 1 mark. No negative marking. Full Marks=10. 1. Preservatives, Prevent The Spoilage Of Foods Leaves For A Long Time From Microbial Infection. We Used In Kitchen: Vinegar All the these Oil Common salt 2. What helps in the rise of bread or dosa dough? Low pressure Heat Grinding Growth of yeast cells 3. Which of the following is a disease caused by protozoans? Malaria Typhoid Tuberculosis Polio 4. Alcohol is produced with the help of sodium chloride yeast carbon dioxide nitrogen 5. Which of the following drug is an antipyretic? Streptomycin Insulin Alcohol Paracetamol 6. Which of the following diseases is caused by a bacteria? Polio Dengue Tuberculosis Chicken pox 7. Tiny organisms which cannot be seen with the naked eyes are called animals microorganisms bacteria fungi 8. Microorganisms are also known as yeast Amoeba microbes viruses 9. Fungus can be seen with a magnifying glass microscope both none 10. Consider the following sentences and choose the correct statements. All the these Robert Koch discovered the vaccine for smallpox in 1798. Louis Pasteur discovered fermentation in 1857 by demonstrating the microbes cause souring of milk. Edward Jenner is known for his role in identification of the causing agent of Anthrax. Download Premium WordPress Themes FreeDownload WordPress Themes FreeDownload Best WordPress Themes Free DownloadFree Download WordPress Themeslynda course free downloaddownload xiomi firmwareDownload Nulled WordPress Themeslynda course free download
