This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 9 Motion And Time – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 9 Motion And Time Quiz 25 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The speed of a train is 20 m/s. What is the speed in km/h? A) 60 km/h. B) 40 km/h. C) 72 km/h. D) 20 km/h. Show Answer Correct Answer: C) 72 km/h. 2. (v) Motion of the hammer of an electric bell. A) Circular. B) Straight line. C) Oscillatory. D) None of the above. Show Answer Correct Answer: C) Oscillatory. 3. Which of these directions can be considered as oscillatory motion? A) To and fro along a mean value. B) Non repetitive up and down. C) Vertically down. D) Straight horizontal. Show Answer Correct Answer: A) To and fro along a mean value. 4. The distance time graph of a car is plotted with time along axis and the distance on y axis. The graph is a straight line parallel to the x axis. Which of the following is true about the car? A) It is not moving at all. B) It is in uniform motion. C) It is in non uniform motion. D) It has periodic motion. Show Answer Correct Answer: A) It is not moving at all. 5. Leaves in aquatic plants are reduced in size to minimize their evaporating surface. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 6. What does a parallel line to the time axis in a distance-time graph indicate? A) Constant speed. B) Decreasing speed. C) Object at rest. D) Increasing speed. Show Answer Correct Answer: C) Object at rest. 7. How fast is a train moving if it travels 32km in 4 hours A) 8km/h. B) 8m/s. C) 128m/s. D) 128km/h. Show Answer Correct Answer: A) 8km/h. 8. One of the following is not a terrestrial habitat? A) Soil. B) Tree. C) Ocean. D) Desert. Show Answer Correct Answer: C) Ocean. 9. The time taken by the moon to complete one revolution around the earth is called A) A day. B) A year. C) A lunar month. D) A century. Show Answer Correct Answer: C) A lunar month. 10. How fast does an average person run A) 12km/h. B) 100km/h. C) 1km / h. D) 1.2km/h. Show Answer Correct Answer: A) 12km/h. 11. How many fundamental physical quantity are there? A) 7. B) 6. C) 2. D) 8. Show Answer Correct Answer: A) 7. 12. A body whose position with respect to surrounding does not change is said to be in a state of A) Rest. B) Motion. C) Vibrational. D) Curvilinear. Show Answer Correct Answer: A) Rest. 13. What is the equation to calculate distance? A) Distance = speed/time. B) Distance = time/speed. C) Distance = speed/distance. D) Distance = speed x time. Show Answer Correct Answer: D) Distance = speed x time. 14. The metallic ball hanging from the pendulum is called as A) Bob. B) Metal. C) Base pendulum. D) None of the above. Show Answer Correct Answer: A) Bob. 15. The more massive an object is ..... A) The harder it will be to get moving. B) The harder it will be to stop. C) The harder it will be to speed up. D) All of the above. Show Answer Correct Answer: D) All of the above. 16. Microorganisms are part of abiotic components. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 17. Time taken to complete an oscillation is called ..... of the pendulum A) Motion. B) Time. C) Time period. D) None of the above. Show Answer Correct Answer: C) Time period. 18. The unit of temperature is? A) Meter. B) Kilogram. C) Candella. D) Kelvin. Show Answer Correct Answer: D) Kelvin. 19. If the speed of a moving body changes the the body is in A) Non uniform motion. B) Uniform motion. C) Both. D) None of these. Show Answer Correct Answer: A) Non uniform motion. 20. A substance whose crystals can vibrate fast is known as? A) Pendulum clock. B) Sand clock. C) Quartz. D) Atomic clock. Show Answer Correct Answer: C) Quartz. 21. 1 millennium = what? A) 10 years. B) 1000 years. C) 10 decades. D) 100 decades. Show Answer Correct Answer: B) 1000 years. 22. Basic unit of Speed is?? A) S/m. B) M/h. C) M/s. D) M/m. Show Answer Correct Answer: C) M/s. 23. The symbols of all units are written in singular. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 24. The time taken by the pendulum to complete one oscillation is its A) Frequency. B) Time period. C) Speed. D) None of the above. Show Answer Correct Answer: B) Time period. 25. Which of the following describes the motion of a ball thrown straight up and then falling back down? A) Linear Motion. B) Non-uniform Motion. C) Uniform Motion. D) Circular Motion. Show Answer Correct Answer: B) Non-uniform Motion. ← PreviousNext →Related QuizzesClass 7 Science Chapter 9 Motion And Time Quiz 1Class 7 Science Chapter 9 Motion And Time Quiz 2Class 7 Science Chapter 9 Motion And Time Quiz 3Class 7 Science Chapter 9 Motion And Time Quiz 4Class 7 Science Chapter 9 Motion And Time Quiz 5Class 7 Science Chapter 9 Motion And Time Quiz 6Class 7 Science Chapter 9 Motion And Time Quiz 7Class 7 Science Chapter 9 Motion And Time Quiz 8Class 7 Science Chapter 9 Motion And Time Quiz 9Class 7 Science Chapter 9 Motion And Time Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books