Home Science Class 8- Chapter 2- Microorganisms: Friend and Foe – Quiz 5 Science Class 8- Chapter 2- Microorganisms: Friend and Foe – Quiz 5 10 Questions, each question is of 1 mark. No negative marking. Full Marks=10. 1. Which organisms are microscopic and dependent on host organisms for reproduction? Protozoa Viruses Algae Bacteria 2. The process in which sugar in the food is transformed into alcohol and carbon dioxide by using microorganisms is known as transformation beverage respiration fermentation 3. Which of the following diseases can be cured using antibiotics? AIDS Malaria Dengue Typhoid 4. The fungus that is commonly used in bakery and beverage industries is Penicillium Yeast Rhizopus Agaricus 5. Which microorganism causes AIDS? A virus A protozoa A bacteria An algae 6. Which of the following is not used as food preservatives? Vinegar Methane Sugar Salt 7. The process by which amount of nitrogen remains the same in the atmosphere is known as nitrogen cycle fermentation photosynthesis carbon cycle 8. Priya wants to write some correct statements. Would you help her? Yeast can do respiration and reproduction Yeast can increase the volume of dough. Can we say yeast is a fungus All of these 9. The precaution is observed in the use of antibiotics. Choose the incorrect sentence Wrong dose of antibiotics makes the antibiotic less effective None of these Antibiotics should be taken only on the advice of perfect doctor Antibiotic may kill the useful bacteria in the body and harm us 10. Giardia is listed under the category of protozoa bacteria fungi algae Free Download WordPress ThemesDownload Best WordPress Themes Free DownloadDownload WordPress Themes FreeDownload Premium WordPress Themes Freeudemy course download free download micromax firmwareDownload WordPress Themes Freefree download udemy course
