Home Science Class 8- Chapter 2- Microorganisms: Friend and Foe – Quiz 9 Science Class 8- Chapter 2- Microorganisms: Friend and Foe – Quiz 9 10 Questions, each question is of 1 mark. No negative marking. Full Marks=10. 1. The gas released during the preparation of bread is ___________ oxygen Carbon dioxide hydrogen nitrogen 2. The microorganisms smaller than bacteria are protozoan viruses algae fungi 3. _________ are considered different from other microorganisms because they can multiply only by entering, the host organisms. algae fungi viruses protozoan 4. __________ are the threads of the multicellular fungi. bacteria Hyphae algae hydra 5. Asthma Is A Chronic Inflammatory Disease In Lungs. Name The Fungus, Who Is Responsible For This? Clostridium tetani Pasteurella pestis Salmonella typhi Aspergillus fumigatus. 6. A Disease “Tetanus” Is Caused By Which Bacteria - Salmonella typhi Clostridium tetani Mycobacterium tuberculosis Vibrio cholerae 7. Which of the following statements is/are incorrect? Yeast is capable of converting sugar into alcohol. A dilute solution of Acetic acid is called vinegar. Acetobacter bacteria convert alcohol into acetic acid. None of these 8. Who discovered the vaccine for smallpox? Alexander Fleming Edward Jenner Louis Pasteur Joseph Lister 9. The presence of _________ and the warmth stimulate rapid growth of the yeast cells. water minerals salt sugar 10. The algae commonly used as a fertiliser are staphylococcus blue-green algae none of these diatoms Download WordPress ThemesDownload Best WordPress Themes Free DownloadFree Download WordPress ThemesFree Download WordPress ThemesZG93bmxvYWQgbHluZGEgY291cnNlIGZyZWU= download huawei firmwareDownload Best WordPress Themes Free Downloadonline free course
