This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 English Chapter 10 Fire Friend And Foe – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 English Chapter 10 Fire Friend And Foe Quiz 4 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What helps in the rise of bread or dosa dough? A) Heat. B) Grinding. C) Growth of yeast cells. D) Low pressure. Show Answer Correct Answer: C) Growth of yeast cells. 2. Which of the following diseases is caused by a bacteria? A) Chicken pox. B) Tuberculosis. C) Dengue. D) Polio. Show Answer Correct Answer: B) Tuberculosis. 3. Bacteria present in the root nodules of pea. A) Rhizobium. B) Streptococcin. C) Salmonella. D) Staphylococcus. Show Answer Correct Answer: A) Rhizobium. 4. Assertion:Adding salt preserves the meat and fish for ages.Reason:Salt draws water out of food and dehydrates the food. 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: A) Both A and R are true and R is the correct explanation of A. 5. Which of the following is not the use of fire? A) Cooking food. B) Providing warmth to the body. C) Excessive burning of fire. D) None of the above. Show Answer Correct Answer: C) Excessive burning of fire. 6. Asthma Is A Chronic Inflammatory Disease In Lungs. Name The Fungus, Who Is Responsible For This? A) Pasteurla Pestis. B) Aspergillus fumigatus. C) Salmonella Typhi. D) Clostridium tetani. Show Answer Correct Answer: B) Aspergillus fumigatus. 7. Where is the nucleus located in a cell? A) Underneath the cell wall. It allows water and nutrients to pass into the cell and waste to pass out of the cell. B) Surrounding the cell. It helps protect the cell. C) In the center of the cell. It controls the cells growth. D) All throughout the cell. It is a jelly-like substance that holds all of the organelles in their place. Show Answer Correct Answer: C) In the center of the cell. It controls the cells growth. 8. TRUE OR FALSE:Jellies, jams and squashes are preserved by adding vinegar to them. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 9. Who discovered cell A) Alexander Fleming. B) Edward Jenner. C) Robert hooke. D) None of the above. Show Answer Correct Answer: C) Robert hooke. 10. Check A) Cope. B) Puzzeled. C) Prevent. D) Loose. Show Answer Correct Answer: C) Prevent. 11. Vaccines are made up of: A) Chemicals. B) Weak microorganisms. C) Viruses. D) Drugs. Show Answer Correct Answer: B) Weak microorganisms. 12. When the energy is released in the form of heat and light, it is: A) Fire. B) A chemical reaction. C) Light energy. D) Both (a) and (b). Show Answer Correct Answer: D) Both (a) and (b). 13. Which organisms are microscopic and dependent on host organisms for reproduction? A) Algae. B) Protozoa. C) Viruses. D) Bacteria. Show Answer Correct Answer: C) Viruses. 14. Which of the following is NOT a use of microbes A) Increase soil fertility. B) Curd formation. C) Destroy food. D) None of the above. Show Answer Correct Answer: C) Destroy food. 15. A tiny, nonliving particle that invades and then reproduces inside a living cell. A) Bacteria. B) Virus. C) Protist. D) Fungi. Show Answer Correct Answer: B) Virus. 16. What is nitrogen cycle? A) The process by nitrogen is turned into usable form. B) The process by which nitrogen is cycling. C) The nitrogen cycle is a process by which nitrogen is converted into many forms, from atmosphere to the soil to organism and back into the atmosphere. D) None of the above. Show Answer Correct Answer: C) The nitrogen cycle is a process by which nitrogen is converted into many forms, from atmosphere to the soil to organism and back into the atmosphere. 17. Which of the following statements about freezing as a method of food preservation is INCORRECT? A) It helps to slow down the growth of food spoiling bacteria. B) It kills the bacteria present in the food. C) It helps to slow down the enzyme activity of food spoiling bacteria. D) The water inside the food freezes into ice crystals. Show Answer Correct Answer: B) It kills the bacteria present in the food. 18. Fungi are ..... organisms. A) Multicellular. B) Unicellular. C) Bicellular. D) Tricellular. Show Answer Correct Answer: A) Multicellular. 19. Cold, flu and most cough are caused by ..... A) Bacteria. B) Viruses. C) Fungi. D) None of these. Show Answer Correct Answer: B) Viruses. 20. Which of the following characteristics places algae in the group of autotroph? 1) Carrying out anaerobic respiration 2) Manufacturing their own food 3) Feeding on dead organisms 4) Feeding on other living organisms A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 21. Yeast is used for making bread. Yeast is a A) Plant. B) Spice. C) Fungi. D) Bacteria. Show Answer Correct Answer: C) Fungi. 22. Question 7:Which of the following statements are True/False? (A) Boiling kills many organisms. (B) Low temperature inhibits the growth of microbes. A) Only A. B) Only B. C) Both A and B. D) None of these. Show Answer Correct Answer: C) Both A and B. 23. Food preservation can not be done by A) Adding salt. B) Adding sugar. C) Drying under the sun. D) Adding kerosene. Show Answer Correct Answer: D) Adding kerosene. 24. Which of the following is not a fungi 1) Paramecium 2) Bread mould 3) Penicillium 4) Aspergillus A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 25. Who discovered Micro-Organisms? A) Antonie van Leeuwenhoek. B) Robert Hooke. C) Charles Darwin. D) Louis Pasteur. Show Answer Correct Answer: A) Antonie van Leeuwenhoek. ← 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 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 10Class 7 English Chapter 10 Fire Friend And Foe Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books