This quiz works best with JavaScript enabled. Home > Class 5 > Class 5 Evs Chapter 15 Blow Hot, Blow Cold – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 5 Evs Chapter 15 Blow Hot, Blow Cold Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. WHAT PREPARATIONS DID WOODCUTTER DO TO PREPARE FOOD A) HE USED PETROL TO LIT A FIRE. B) MADE CHULHA LIT A FIRE AND PUT HANDI ON IT. C) HE USED LPG GAS. D) None of the above. Show Answer Correct Answer: B) MADE CHULHA LIT A FIRE AND PUT HANDI ON IT. 2. What happens when you blow on your hands in winter? A) Hands get cooler than before. B) Hands fall numb. C) Hands become warm. D) All these. Show Answer Correct Answer: C) Hands become warm. 3. What is the another name of Pitcher plant A) Poppy. B) Rose. C) Nepentheses. D) Vinase fly trap. Show Answer Correct Answer: C) Nepentheses. 4. When we breath in the diaphragm ..... A) Contracts. B) Relaxes. C) All the above. D) None of the above. Show Answer Correct Answer: A) Contracts. 5. What reason did the woodcutter give to Mian Balishtiye for blowing on the potatoes? A) To make the potatoes hot. B) To make the potatoes cool. C) Both a& b. D) None of the above. Show Answer Correct Answer: B) To make the potatoes cool. 6. How do we make our cold hands warm during winter? A) By keeping them in ice. B) By pouring water. C) By keeping our mouth wide and blowing on them. D) None of the above. Show Answer Correct Answer: C) By keeping our mouth wide and blowing on them. 7. The story Blow Hot Blow Cold was written by ..... , the former president of India. A) Dr.Zakir Hussain. B) Dr.Abdul Kalam. C) Mr. Donald Trump. D) Mr. Narendra Modi. Show Answer Correct Answer: A) Dr.Zakir Hussain. 8. Why do we use a fire extinguisher? A) To put off fire. B) To lit the fire. C) To glare the fire. D) None of these. Show Answer Correct Answer: A) To put off fire. 9. The respiratory system is made up of ..... A) The heart, blood, trachea and bronchi. B) The brain, muscles and lungs. C) The nostrils, trachea, bronchi and lungs. D) None of the above. Show Answer Correct Answer: C) The nostrils, trachea, bronchi and lungs. 10. WHICH GAS IS THE 78% IN AIR A) OXYGEN. B) CARBON DIOXIDE. C) NITROGEN. D) None of the above. Show Answer Correct Answer: C) NITROGEN. 11. THE STORY BLOW HOT, BLOW COLD WAS WRITTEN BY A) DR. A P J KALAM. B) KALPANA CHAWLA. C) DR. ZAKIR HUSSAIN. D) S. TENDULKAR. Show Answer Correct Answer: C) DR. ZAKIR HUSSAIN. 12. Why did woodcutter made the chulha? A) To cook tomatoes. B) To boil potatoes. C) To make chapati. D) To boil water. Show Answer Correct Answer: B) To boil potatoes. 13. Name an instrument used to listen to the heart beat. A) Seismograph. B) Stethoscope. C) Barometer. D) Telescope. Show Answer Correct Answer: B) Stethoscope. 14. Why air becomes cool when the hand is away from mouth? A) Because of air pressure. B) Because cool atmosphere air mixes with hot air from our body. C) Because water vapour. D) None of these. Show Answer Correct Answer: B) Because cool atmosphere air mixes with hot air from our body. 15. The gas found in atmosphere about 21% is ..... A) Nitrogen. B) Oxygen. C) Argon. D) Flatulence. Show Answer Correct Answer: B) Oxygen. 16. SUPPOSE YOU ARE GIVEN HOT KHICHDI TO EAT. HOW WILL COOL DOWN WITHOUT BLOWING AIR FROM YOUR MOUTH? A) BY MIXING COLD WATER INTO IT. B) BY SPREADING IT OVER THE PLATE. C) BY PUTTING ICE CUBES INTO IT. D) BY SPREADING IT OVER OUR PALM. Show Answer Correct Answer: B) BY SPREADING IT OVER THE PLATE. 17. We breathe in ..... rich air. A) Oxygen. B) Carbon dioxide. C) Water vapour. D) None of the above. Show Answer Correct Answer: A) Oxygen. 18. ..... air is light and rises up. A) Hot. B) Cool. C) All the above. D) None of the above. Show Answer Correct Answer: A) Hot. 19. The main ORGAN responsible for breathing is: A) The Brain. B) The Lungs. C) The Liver. D) The Kidneys. Show Answer Correct Answer: B) The Lungs. 20. What is the process called when you breath in the air? A) Inhalation. B) Exhalation. C) All the above. D) None of the above. Show Answer Correct Answer: A) Inhalation. 21. Why we breathe in more oxygen when we exercise? A) As we need more oxygen while exercising. B) As we need more energy so we have to take in more oxygen. C) As our body uses it for running. D) None of these. Show Answer Correct Answer: B) As we need more energy so we have to take in more oxygen. 22. The woodcutter blew on the fire to help it burn. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 23. Name the normal body temperature of our body. A) 40 degree Celsius. B) 38 degree Celsius. C) 39 degree Celsius. D) 37 degree Celsius. Show Answer Correct Answer: D) 37 degree Celsius. 24. ..... IS THE PROCESS OF BREATHING IN AIR AND ..... IS THE PROCESS OF BREATHING OUT AIR A) INHALATION AND EXHALATION. B) EXHALATION AND INHALATION. C) OXYGER AND CARBON DIOXIDE. D) ALL OF THESE. Show Answer Correct Answer: A) INHALATION AND EXHALATION. 25. The process of turning from liquid into vapour. A) EVAPORATION. B) CONDENSATION. C) PRESIPITATION. D) ALL OF THEM. Show Answer Correct Answer: A) EVAPORATION. 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