This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 English Chapter 10 Fire Friend And Foe – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 English Chapter 10 Fire Friend And Foe Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following reproduse only inside a host cell? A) Bacteria. B) Virus. C) Amoeba. D) Fungus. Show Answer Correct Answer: B) Virus. 2. While baking cakes, yeast reproduces rapidly and produces ..... gas. A) Hydrogen. B) Oxygen. C) Carbon dioxide. D) Nitrogen. Show Answer Correct Answer: C) Carbon dioxide. 3. TRUE OR FALSE:Oxygen alone constitutes 78% of air. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 4. Which one of the following is not a method of food preservation? A) Salting. B) Drying. C) Boiling. D) Pickling. Show Answer Correct Answer: C) Boiling. 5. Which microorganism helps in making vinegar A) Yeast. B) Bread mould. C) Acetobacter. D) Lactobacillus. Show Answer Correct Answer: C) Acetobacter. 6. Question 8:Conversion of nitrogen to ammonia is A) Nitrification. B) Phosphorylation. C) Denitrification. D) Nitrogen fixation. Show Answer Correct Answer: D) Nitrogen fixation. 7. Assertion:Pasteurisation is the method to preserve milk.Reason:In pasteurisation, the milk is heated to high temperature and cool down slowly. A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is not the correct explanation of A. C) A is true but R is false. A is false but R is true. D) Both A and R are false. Show Answer Correct Answer: C) A is true but R is false. A is false but R is true. 8. Amoeba belongs to A) Algae. B) Fungi. C) Protozoa. D) Virus. Show Answer Correct Answer: C) Protozoa. 9. Fungi reproduces by 1) Fission 2) Fusion 3) Seed formation 4) Spore formation A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 10. Female Aedes mosquito is the carrier of A) Corona virus. B) Dengue virus. C) Common cold virus. D) Measles virus. Show Answer Correct Answer: B) Dengue virus. 11. The above concept was not clear to A) The students. B) The early man. C) The modern man. D) The science. Show Answer Correct Answer: B) The early man. 12. Some microorganisms contain chlorophyll A) True. B) False. C) Not sure. D) None of the above. Show Answer Correct Answer: A) True. 13. The particular temperature at which an object begins to burn is called A) Ignition level. B) Inflammation. C) Burn out range. D) Flash point. Show Answer Correct Answer: D) Flash point. 14. The vaccine for smallpox was discovered by: A) Alexander Fleming. B) Edward Jenner. C) Louis Pasteur. D) Robert Koch. Show Answer Correct Answer: B) Edward Jenner. 15. The three sides to the fire triangle are; A) Petrol, Spark, Oxygen. B) Heat, Fuel, Oxygen. C) Heat, Paper, Air. D) Match, Paper, Air. Show Answer Correct Answer: B) Heat, Fuel, Oxygen. 16. Which of these is NOT a FOOD PRESERVATION method? A) DEEP FREEZING. B) SALTING. C) CURDLING. D) SUN DRYING. Show Answer Correct Answer: C) CURDLING. 17. Rhizobium bacteria- A) Help in digestion. B) Help in nitrogen fixation. C) Cause various diseases. D) All of above. Show Answer Correct Answer: B) Help in nitrogen fixation. 18. Electric fires are put out using A) Water. B) Carbon dioxideextinguisher. C) The steam form. D) Oil. Show Answer Correct Answer: B) Carbon dioxideextinguisher. 19. Disease caused by fungi is A) Polio. B) Chicken pox. C) Ringworm. D) Measles. Show Answer Correct Answer: C) Ringworm. 20. Something of explosively violent potential A) Valley. B) Valcano. C) Suffocated. D) None of the above. Show Answer Correct Answer: B) Valcano. 21. Bands A) Cope. B) Generate. C) Groups. D) Stop. Show Answer Correct Answer: C) Groups. 22. Diseases such as dysentery and malaria are caused by? A) Protozoa. B) Bacteria. C) Fungi. D) Virus. Show Answer Correct Answer: A) Protozoa. 23. The smallest microorganism on earth is known as ..... A) A virus. B) Bacteria. C) Algae. D) Fungi. Show Answer Correct Answer: A) A virus. 24. The process of conversion of sugar into alcohol in the absence of oxygen is called A) Pasteurization. B) Vaccination. C) Fermentation. D) Decomposition. Show Answer Correct Answer: C) Fermentation. 25. Microbes are effective due to their A) Various shapes. B) Ability to reproduce. C) Tolerance. D) Both b and c. Show Answer Correct Answer: D) Both b and c. ← 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 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 10Class 7 English Chapter 10 Fire Friend And Foe Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books