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. Which among the following statements is not associated with food preservation? Decreased shelf life Air-tight sealing Storage for future use Prevention of decay or spoilage 2. Antibiotics are effective against algae bacteria all of these viruses 3. Which disease caused by a Protozoan and spread by an insect is Malaria Polio Dengue Measles 4. Penicillin was discovered by Louis Pasteur Robert Koch Alexander Fleming Edward Jenner 5. Which of the following diseases is caused by a fungus? Dengue Cholera Common cold Ringworm 6. Robert Koch discovered the Bacillus Anthracis in 1876 which cause Anthrax (a dangerous human and cattle) disease is caused by Protozoa Fungi Virus Bacteria 7. Which among the following pathogens causes cholera? Virus Bacteria Protozoan Fungus 8. Which one of the following is not produced by the process of fermentation? Yoghurt Cheese Wine Milk 9. Priya wants to know the method for preventing the occurrence or spread of communicable diseases We should keep our food covered. We should protect ourselves from mosquito bites. We should also keep a safe distance from a person having common cold and coughing. All of these 10. A plant disease called citrus canker is caused by a ____________ . Bacteria Protozoa Fungi Virus Premium WordPress Themes DownloadFree Download WordPress ThemesPremium WordPress Themes DownloadDownload Best WordPress Themes Free Downloadfree download udemy paid coursedownload xiomi firmwareDownload WordPress Themesudemy paid course free download
