This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > English > Fire Friend And Foe > 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 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What do harmful microorganisms do? A) Spoil food, leather, clothing. B) Cancel schools. C) Increases soil fertility. D) Make antibiotics. Show Answer Correct Answer: A) Spoil food, leather, clothing. 2. Assertion:Copper used widely to conduct electricity.Reason:Silver has the highest electrical conductivity of all metals. 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: B) Both A and R are true but R is not the correct explanation of A. 3. What was the world's first cricket club, in which year? A) Cricket Club in Marlebone, 1. B) National criket club, 1855. C) England Cricket Club, 120. D) Tiger Cricket Club, 1. Show Answer Correct Answer: A) Cricket Club in Marlebone, 1. 4. Choose the correct option.What is Fire? A) Friend. B) Foe. C) Result of a Chemical Reaction. D) Master. Show Answer Correct Answer: C) Result of a Chemical Reaction. 5. Medicine that kills or stops the growth of harmful disease-causing microbes is known as A) Antibiotic. B) Antigen. C) Vaccine. D) Antibody. Show Answer Correct Answer: A) Antibiotic. 6. Burning slowely without flame A) Smouldering. B) Equipment. C) Brigade. D) Extinguish. Show Answer Correct Answer: A) Smouldering. 7. Mushroom belongs to A) Algae. B) Virus. C) Fungi. D) None of the above. Show Answer Correct Answer: C) Fungi. 8. All bacteria are A) Unicellular. B) Multicellular. C) Eukaryotic. D) None of the above. Show Answer Correct Answer: A) Unicellular. 9. This microorganism has whip-like flagella, that help them move. A) Algae. B) Fungi. C) Virus. D) Bacteria. Show Answer Correct Answer: D) Bacteria. 10. Tiny organisms which cannot be seen with the naked eyes are called A) Microorganisms/ Microbes. B) Bacteria. C) Animals. D) Fungi. Show Answer Correct Answer: A) Microorganisms/ Microbes. 11. How can microbes be seen A) With naked eye. B) With microscope. C) With Magnifying glass. D) None of the above. Show Answer Correct Answer: B) With microscope. 12. Question 11:Dysentery is a ..... disease. A) Bacterial. B) Fungal. C) Protozoan. D) Viral. Show Answer Correct Answer: C) Protozoan. 13. Choose the Correct Option.What are the three ways in which we can stop fire? A) Take away the fuel, Put a Damp Blanket on the fire, Reduce the temperature using water. B) Add Petroleum Oil to it. C) Add Wood to it. D) None of The Way. Show Answer Correct Answer: A) Take away the fuel, Put a Damp Blanket on the fire, Reduce the temperature using water. 14. Select the things required to make fire. A) Fuel. B) Oxygen. C) Heat. D) All of these. Show Answer Correct Answer: D) All of these. 15. How was the shape of bat in mid of eighteenth century? A) Badminton. B) Raquet. C) Hockey stick. D) None of the above. Show Answer Correct Answer: C) Hockey stick. 16. Probiotics are an example of ..... A) A microorganisms that can make people sic. B) A microorganism that lives in the ocean. C) An example of bacteria and all bacteria is harmful. D) An example of live bacteria and yeast that is helpful to humans by aiding in the digestion of food. Show Answer Correct Answer: D) An example of live bacteria and yeast that is helpful to humans by aiding in the digestion of food. 17. . Bands of firefighting workers with special equipment, known as fire brigades, are there make fires. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 18. What is the name of the special equipment that firefighters carry with them?? A) FireBrigade. B) Helicopter. C) Firefighter. D) Ambulance. Show Answer Correct Answer: A) FireBrigade. 19. What are pathogens? A) Microbial diseases. B) Type of chocolate. C) Disease-causing microorganisms. D) Dead plants. Show Answer Correct Answer: C) Disease-causing microorganisms. 20. Which is not an example of a harmful microorganism? A) Bacteria found in yogurt. B) Mold growing on a kitchen sponge. C) Bacteria that causes turberculosis. D) Salmonella on uncooked chicken. Show Answer Correct Answer: A) Bacteria found in yogurt. 21. Vaccine for small pox was discovered by ..... A) Louise Pasteur. B) Alexander Fleming. C) Edward Jenner. D) John Mendal. Show Answer Correct Answer: C) Edward Jenner. 22. With material is bat made of A) Wool. B) Leather, twine and cork. C) All the above. D) None of the above. Show Answer Correct Answer: B) Leather, twine and cork. 23. The algae commonly used as a fertilizer are A) Staphylococcus. B) Diatoms. C) Blue-green algae. D) None of these. Show Answer Correct Answer: C) Blue-green algae. 24. Question 6:Consumption of food spoiled by some micro-organisms causes ..... A) Food-poisoning. B) Cancer. C) Lungs. D) None of these. Show Answer Correct Answer: A) Food-poisoning. 25. Which of the following microbes help in curd formation A) Rhizobium. B) Lactobacillus. C) Bread mould. D) None of the above. Show Answer Correct Answer: B) Lactobacillus. 26. Microorganisms that causes disease are known as A) Antigen. B) Fungi. C) Pathogens/ Germs. D) Microbes. Show Answer Correct Answer: C) Pathogens/ Germs. 27. The process of conversion of sugar into alcohol A) Evaporation. B) Fermentation. C) Dehydration. D) Sweetening. Show Answer Correct Answer: B) Fermentation. 28. Question 10:Who discovered Fermentation? A) Edward Jenner. B) Alexander Fleming. C) Louis Pasteur. D) Selman Waksman. Show Answer Correct Answer: C) Louis Pasteur. 29. There things required to make fire are A) Fuel. B) Heat. C) Oxygen. D) All of these. Show Answer Correct Answer: D) All of these. 30. Add fuel to the flames means A) :say or do something that makes people react more strongly and fiercely. B) :say or do something that makes people react smoothly. C) All the above. D) None of the above. Show Answer Correct Answer: A) :say or do something that makes people react more strongly and fiercely. 31. ..... convert atmospheric nitrogen into plant usable form A) Protozoa. B) Fungi. C) Bacteria. D) Viruses. Show Answer Correct Answer: C) Bacteria. 32. Which of the following is an example of a harmful microorganism? A) Bacteria found in yogurt. B) Fungi used as antibiotics. C) Microorganisms helping dead matter to decay. D) Ecoli on food that makes people sick. Show Answer Correct Answer: D) Ecoli on food that makes people sick. 33. Penicillin was discovered by A) Edward Jenner. B) Louis Pasteur. C) Robert Brown. D) Alexander Fleming. Show Answer Correct Answer: D) Alexander Fleming. 34. Wood is an example of fuel A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 35. Who is the carrier of plasmodium (malaria)? A) Female anopheles insect. B) Female Aedes insect. C) Female anopheles mosquito. D) Female Aedes mosquito. Show Answer Correct Answer: C) Female anopheles mosquito. 36. What is pasteurisation? A) The process by which cows are fed. B) The food for bacteria. C) Pasteurization is the process by which food products are mildly heated and then chilled to kill off harmful bacteria. D) Pasteurization is the process by which food products are mildly heated to kill off harmful bacteria. Show Answer Correct Answer: C) Pasteurization is the process by which food products are mildly heated and then chilled to kill off harmful bacteria. 37. The four major groups of microorganisms are as follows: A) Bacteria, Fungi, Protozoa and algae. B) Bacteria, Fungi, sea horse and algae. C) Sea cucumber, Fungi, Protozoa and algae. D) All of the above. Show Answer Correct Answer: A) Bacteria, Fungi, Protozoa and algae. 38. Which of the following is a disease caused by protozoans? A) Tuberculosis. B) Typhoid. C) Malaria. D) Polio. Show Answer Correct Answer: C) Malaria. 39. The organism involved in the curdling of milk is1) Aspergillus 2) Penicillium 3) Lactobacillus 4) Streptococcus A) 4. B) 1. C) 2. D) 3. Show Answer Correct Answer: D) 3. 40. A fungus used as a medicine. A) Penicillin. B) Bacteria. C) Algae. D) Ring Worm. Show Answer Correct Answer: A) Penicillin. 41. Pathogenic micro-organisms present in host cells are killed by medicines called A) Antibiotics. B) Pain killer. C) Vaccines. D) Antibodies. Show Answer Correct Answer: A) Antibiotics. 42. Which of the following is an antibiotic? A) Streptomycein. B) Sodium bicarbonate. C) Alcohol. D) Yeast. Show Answer Correct Answer: A) Streptomycein. 43. When carbon and hydrogen are combined with oxygen, they ..... A) Can cause fire. B) Can cease fire. C) Explode. D) None of the above. Show Answer Correct Answer: A) Can cause fire. 44. Viruses have all cell organelles present in them. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 45. Rhizobium bacteria1) Helps in digestion 2) Helps in nitrogen fixation 3) Causes diseases 4) All the above A) 1. B) 3. C) 2. D) 4. Show Answer Correct Answer: C) 2. 46. Which among the following statements is not associated with food preservation? A) Air-tight sealing. B) Prevention of decay or spoilage. C) Storage for future use. D) Decreased shelf life. Show Answer Correct Answer: D) Decreased shelf life. 47. TRUE OR FALSE:Algae tend to develop on wet surfaces. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 48. Fire is a bad master if it is ..... A) Made by coal. B) Made by electricity. C) Uncontrolled. D) None of the above. Show Answer Correct Answer: C) Uncontrolled. 49. Man's first experience of fire could be: A) Lighting. B) Rubbing stones. C) Volcanoes. D) Both (b) and (c). Show Answer Correct Answer: D) Both (b) and (c). 50. MeaningSmouldering A) Produce. B) Burning slowly without flame. C) Generate. D) Reduce. Show Answer Correct Answer: B) Burning slowly without flame. 51. In order to take precautionary steps to control dengue, we must take measures to stop the breeding of: A) Fire ants. B) Fleas. C) Anopheles mosquito. D) Aedes mosquito. Show Answer Correct Answer: D) Aedes mosquito. 52. Who discovered the vaccine for smallpox? A) Louis Pasteur. B) Alexander Fleming. C) Joseph Lister. D) Edward Jenner. Show Answer Correct Answer: D) Edward Jenner. 53. The first antibiotic called penicillin was extracted from: A) A bacterium. B) A protozoan. C) An alga. D) A fungus. Show Answer Correct Answer: D) A fungus. 54. The bacterium present in curd is: A) Lactobacillus. B) Vibrio cholera. C) Salmonella typhi. D) Penicillin. Show Answer Correct Answer: A) Lactobacillus. 55. Fungi is benefical to us because of the following reason: A) They help to clean run off from waste. B) They are a source of antibiotics. C) They are a source of oxygen. D) They can clean up pollution. Show Answer Correct Answer: B) They are a source of antibiotics. 56. Energy is released in the form of ..... and ..... A) Flame. B) Energy. C) Heat and Light. D) Fire. Show Answer Correct Answer: C) Heat and Light. 57. The process in which sugar in the food is transformed into alcohol and carbon dioxide by using microorganisms is known as A) Fermentation. B) Transformation. C) Respiration. D) Beverage. Show Answer Correct Answer: A) Fermentation. 58. Which microorganism helps in making of alcohol A) Algae. B) Lactobacillus. C) Yeast. D) Acetobacter. Show Answer Correct Answer: C) Yeast. 59. Flash point means a particular ..... of a fuel. A) Energy. B) Temperature. C) Oxygen. D) Carbon. Show Answer Correct Answer: B) Temperature. 60. MeaningExtinguish A) Put out. B) Exit. C) Fly. D) Remove. Show Answer Correct Answer: A) Put out. ← PreviousNext →Related QuizzesEnglish QuizzesClass 7 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 5 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books