This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 English Chapter 10 Fire Friend And Foe – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 English Chapter 10 Fire Friend And Foe Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Is it possible for Bacteria to grown immune to Antibiotics? A) Yes. B) No. C) Maybe. D) None of the above. Show Answer Correct Answer: A) Yes. 2. Scientist who discovered fermentation is A) Alexander Fleming. B) Louis Pasteur. C) John Mendel. D) Edward Jenner. Show Answer Correct Answer: B) Louis Pasteur. 3. The process of conversion of sugar into alcohol is called A) Pasteurization. B) Vaccination. C) Fermentation. D) Germination. Show Answer Correct Answer: C) Fermentation. 4. Amoebas have no definite shape A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 5. Scientist who discovered the fermentation- A) Alexander fleming. B) Louis Pasteur. C) John Mendal. D) Charles Darwin. Show Answer Correct Answer: B) Louis Pasteur. 6. The disease caused by a protozoan and spread by an insect is A) Dengue. B) Malaria. C) Polio. D) Measles. Show Answer Correct Answer: B) Malaria. 7. The temperature at which every fuel bums is called: A) The flash point. B) The flush point. C) The fire point. D) All the above. Show Answer Correct Answer: A) The flash point. 8. Microbe involved in curd formation: A) Amoeba. B) Lactobacillus. C) Rhizobium. D) Spirogyra. Show Answer Correct Answer: B) Lactobacillus. 9. Equipment A) Things need. B) Produce. C) Establish. D) None of the above. Show Answer Correct Answer: A) Things need. 10. Microorganisms can be found only in air and water. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 11. TRUE OR FALSE:Bacteria have an organised nucleus. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 12. The fungus that is commonly used in bakery and beverage industries is A) Penicillium. B) Yeast. C) Agaricus. D) Rhizopus. Show Answer Correct Answer: B) Yeast. 13. Which of the following reproduces only inside the host? 1) Bacteria 2) Virus 3) Fungi 4) Protozoa A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 14. ..... are the agents that act as carriers of a pathogen and spread diseases. A) Vectors. B) Microbes. C) Parasites. D) DNA. Show Answer Correct Answer: A) Vectors. 15. The oldest type of microorganism is known as ..... A) Bacteria. B) Virus. C) Fungi. D) Flagella. Show Answer Correct Answer: A) Bacteria. 16. The gas released during the preparation of bread is A) Oxygen. B) Carbon dioxide. C) Nitrogen. D) Sulphur dioxide. Show Answer Correct Answer: B) Carbon dioxide. 17. The word 'bat' simply means A) Stick or club. B) Wire. C) All the above. D) None of the above. Show Answer Correct Answer: A) Stick or club. 18. Which of the following are used as preservatives: A) Water. B) Sodium bicarbonate. C) Sodium benzoate. D) Rhizobium. Show Answer Correct Answer: C) Sodium benzoate. 19. Which of the following is not a fungi? A) Bread mould. B) Penicillium. C) Aspergillus. D) Spirogyra. Show Answer Correct Answer: D) Spirogyra. 20. Question 4:Which of the following statements are True/False? (a) Citrus canker is a plant disease which is caused by micro-organisms. (b) Rust of wheat is caused by fungi. A) Only A. B) Only B. C) Both A and B. D) None of these. Show Answer Correct Answer: C) Both A and B. 21. Which of the following can help in spread of microbes? A) Air. B) Water. C) Food. D) All the above. Show Answer Correct Answer: D) All the above. 22. What is true about bacteria? A) Bacteria use photosynthesis to make their own food. B) Bacteria can only be found in dirt. C) Bacteria is always beneficial. D) Bacteria can be used to make certain foods. Show Answer Correct Answer: D) Bacteria can be used to make certain foods. 23. Can food poisoning cause death? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 24. The following is an antibiotics 1) Alcohol 2) Yeast 3) Sodium bicarbonate 4) Streptomycin A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 25. What is the meaning of smouldering? A) Cool. B) Burning slowly without flame. C) Heating. D) None of the above. Show Answer Correct Answer: B) Burning slowly without flame. 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