This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 English Chapter 10 Fire Friend And Foe – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 English Chapter 10 Fire Friend And Foe Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which organisms are microscopic and reproduce on host cell? A) Algae. B) Protozoa. C) Viruses. D) Bacteria. Show Answer Correct Answer: C) Viruses. 2. Which of the following is/are produced by using bacteria? 1) Antibiotics 2) Cheese 3) Yoghurt 4) All of these A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 3. Question 9:The microorganisms that cause diseases in human beings, plants and animals are called ..... A) Carriers. B) Spirogyra. C) Pathogens. D) Antibodies. Show Answer Correct Answer: C) Pathogens. 4. Bacilli are the bacteria that are A) Rod shaped. B) Comma shaped. C) Curved shaped. D) Spiral. Show Answer Correct Answer: A) Rod shaped. 5. The device that is used to observe microorganisms is called: A) Microscope. B) Telescope. C) Stethoscope. D) None. Show Answer Correct Answer: A) Microscope. 6. Fungi consist of two main groups of organisms ..... and moulds. A) Yeast. B) Algae. C) Bread. D) None of these options. Show Answer Correct Answer: A) Yeast. 7. Diseases anthrax caused by A) Virus. B) Bacteria. C) Fungi. D) None of these. Show Answer Correct Answer: B) Bacteria. 8. Name the bacteria which promotes the formation of curd A) Rhizobium. B) Cyanobacteria. C) Lactobacillus. D) Clostridium. Show Answer Correct Answer: C) Lactobacillus. 9. Question 2:Cold, influenza and most cough are caused by ..... ? A) Bacteria. B) Viruses. C) Fungi. D) None of these. Show Answer Correct Answer: B) Viruses. 10. ..... are parasites, which means they can only survive inside the cells of other living things. A) Fungi. B) Protozoa. C) Viruses. D) Algae. Show Answer Correct Answer: C) Viruses. 11. ..... fix nitrogen directly from air and enhance fertility of soil. A) Rhizobium. B) Chlorophyll. C) Blue green algae. D) I don't know. Show Answer Correct Answer: C) Blue green algae. 12. Common cold is caused by which type of microbe? A) Bacteria. B) Virus. C) Algae. D) Fungi. Show Answer Correct Answer: B) Virus. 13. Why do you need to take care when using a CO$_{2}$ extinguisher? A) The bottle and nozzle can freeze when operating. B) Using in a confined space can cause unconciousness. C) Flammable liquids can re-ignite. D) All of these. Show Answer Correct Answer: D) All of these. 14. What do bacteria and viruses have in common? A) They both only live for twenty-four hours. B) They both are the same size. C) They both can cause serious infectious diseases. D) They both are good and help our immune system. Show Answer Correct Answer: C) They both can cause serious infectious diseases. 15. The temperature at which every fuel burns is ..... A) The flush point. B) The flash point. C) The fire point. D) All of the above. Show Answer Correct Answer: B) The flash point. 16. Which microorganism is used in yeilding alcohol A) Yeast. B) Penicillin. C) Ameoba. D) None of the above. Show Answer Correct Answer: A) Yeast. 17. What do you think microbe means? A) A microorganism, or microbe, is a microscopic organism, which may exist in its single-celled form or in a colony of cells. B) It is a thing that enters the human body or an animal. C) It is an insect. D) It is something that we found it in the ocean. Show Answer Correct Answer: A) A microorganism, or microbe, is a microscopic organism, which may exist in its single-celled form or in a colony of cells. 18. WHY DID MAYA AND NISHAD GOT AN HOLIDAY A) DROUT. B) FLOODS. C) TSUNAMI. D) CYCLONE. Show Answer Correct Answer: B) FLOODS. 19. Which gas is produced by yeast in the dough which makes bakery items fluffy? A) Carbon monoxide. B) Nitrogen. C) Oxygen. D) Carbon dioxide. Show Answer Correct Answer: D) Carbon dioxide. 20. What is an antibiotic? A) A rapid spread of a disease around the world. B) A type of bacteria living in human cells. C) A medicine that attacks harmful microbes. D) A disease for which there is no known cure. Show Answer Correct Answer: C) A medicine that attacks harmful microbes. 21. Antibiotics are effective against A) Bacteria. B) Algae. C) Viruses. D) All of the above. Show Answer Correct Answer: A) Bacteria. 22. ..... is released in the form of heat and light. A) Carbon. B) Hydrogen. C) Light. D) Energy. Show Answer Correct Answer: D) Energy. 23. Examples of fuel are A) Wood. B) Coal. C) Cooking Gas. D) All these. Show Answer Correct Answer: D) All these. 24. The process of conversion of sugar into alcohol is known as ..... A) Fermentation. B) Pasteurization. C) Nitrification. D) Nitrogen Fixation. Show Answer Correct Answer: A) Fermentation. 25. Which of the following reproduces only inside a host cell? A) Fungus. B) Amoeba. C) Bacteria. D) Virus. Show Answer Correct Answer: D) Virus. ← PreviousNext →Related QuizzesClass 7 English Chapter 10 Fire Friend And Foe Quiz 1Class 7 English Chapter 10 Fire Friend And Foe Quiz 2Class 7 English Chapter 10 Fire Friend And Foe Quiz 3Class 7 English Chapter 10 Fire Friend And Foe Quiz 4Class 7 English Chapter 10 Fire Friend And Foe Quiz 5Class 7 English Chapter 10 Fire Friend And Foe Quiz 6Class 7 English Chapter 10 Fire Friend And Foe Quiz 7Class 7 English Chapter 10 Fire Friend And Foe Quiz 8Class 7 English Chapter 10 Fire Friend And Foe Quiz 9Class 7 English Chapter 10 Fire Friend And Foe Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books