Home Science Class 8- Chapter 2- Microorganisms: Friend and Foe – Quiz 7 Science Class 8- Chapter 2- Microorganisms: Friend and Foe – Quiz 7 10 Questions, each question is of 1 mark. No negative marking. Full Marks=10. 1. Priya wants to know the method for preventing the occurrence or spread of communicable diseases We should also keep a safe distance from a person having common cold and coughing. We should keep our food covered. All of these We should protect ourselves from mosquito bites. 2. Antibiotics are effective against bacteria all of these algae viruses 3. Which disease caused by a Protozoan and spread by an insect is Dengue Polio Measles Malaria 4. Penicillin was discovered by Robert Koch Alexander Fleming Edward Jenner Louis Pasteur 5. Which among the following statements is not associated with food preservation? Air-tight sealing Prevention of decay or spoilage Decreased shelf life Storage for future use 6. Which of the following diseases is caused by a fungus? Ringworm Common cold Cholera Dengue 7. A plant disease called citrus canker is caused by a ____________ . Virus Bacteria Fungi Protozoa 8. Which among the following pathogens causes cholera? Protozoan Fungus Bacteria Virus 9. Which one of the following is not produced by the process of fermentation? Cheese Wine Yoghurt Milk 10. Robert Koch discovered the Bacillus Anthracis in 1876 which cause Anthrax (a dangerous human and cattle) disease is caused by Virus Fungi Protozoa Bacteria Download WordPress Themes FreeDownload Nulled WordPress ThemesDownload Premium WordPress Themes FreeDownload WordPress Themesonline free course download micromax firmwareFree Download WordPress Themesfree download udemy paid course
