This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 9 Motion And Time – Quiz 30 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 9 Motion And Time Quiz 30 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If an object moving along a straight line and keeps changing its speed then A) The motion is said to be uniform motion. B) The motion is said to be non uniform motion. C) The motion is said to bw Stationary. D) The motion is said to be fast motion. Show Answer Correct Answer: B) The motion is said to be non uniform motion. 2. To and fro motion of a body from its mean position A) Oscillatory motion. B) Periodic motion. C) Both. D) None of the above. Show Answer Correct Answer: C) Both. 3. What are the key differences between uniform and non-uniform motion? A) Uniform motion involves acceleration, while non-uniform motion does not. B) Non-uniform motion is always faster than uniform motion. C) Uniform motion can change direction while maintaining speed. D) Uniform motion has constant speed and direction, while non-uniform motion has varying speed or direction. Show Answer Correct Answer: D) Uniform motion has constant speed and direction, while non-uniform motion has varying speed or direction. 4. Example of derived physical quantity is? A) Length. B) Current. C) Mass. D) Area. Show Answer Correct Answer: D) Area. 5. Motion of your hands while running is A) Oscillatory motion. B) Circular motion. C) Curvilinear Motion. D) Rectilinear Motion. Show Answer Correct Answer: A) Oscillatory motion. 6. Why does a rolling ball stop? A) Gravity. B) Friction. C) Waterfalls. D) Sand. Show Answer Correct Answer: B) Friction. 7. Bill runs 400 meters to Andy's house, turns around, and runs 400 meters back home. What is Bill's displacement? A) 0 meters. B) 400 meters. C) 800 meters. D) 1600 meters. Show Answer Correct Answer: A) 0 meters. 8. What is the unit for speed? A) Ac. B) Ds/fr. C) K/y/s. D) Km/h. Show Answer Correct Answer: D) Km/h. 9. If speed of a car is 20 km/h and it travels 500 km without taking abreak then time required is A) 25. B) 165. C) 45. D) 12. Show Answer Correct Answer: A) 25. 10. How do you identify uniform motion on a distance-time graph? A) A horizontal line on the graph indicates uniform motion. B) A straight line on the graph indicates uniform motion. C) A dotted line on the graph indicates uniform motion. D) A curved line on the graph indicates uniform motion. Show Answer Correct Answer: B) A straight line on the graph indicates uniform motion. 11. Can be measured in seconds (s), minutes (min), hours (h), etc ..... A) Distance. B) Speed. C) Time. D) Acceleration. Show Answer Correct Answer: C) Time. 12. What is the formula for calculating speed? A) Speed = Distance-Time. B) Speed = Distance + Time. C) Speed = Time / Distance. D) Speed = Distance / Time. Show Answer Correct Answer: D) Speed = Distance / Time. 13. The standard unit of length is A) Meter. B) Kilometer. C) M/s. D) Km/h. Show Answer Correct Answer: A) Meter. 14. What type of scale you used to measure your chest A) Ruler. B) Thread. C) Measuring tape. D) None of these. Show Answer Correct Answer: C) Measuring tape. 15. Which of the following is the SI unit of time? A) Second. B) Kilometre. C) Metre. D) Gram. Show Answer Correct Answer: A) Second. 16. Give the basic unit of speed. A) Meter/second. B) Mile/minute. C) Millimeter/hour. D) All of these. Show Answer Correct Answer: A) Meter/second. 17. A scooterist covers a distance of 3 km in 5 min. His average speed is A) 100 m/s. B) 3 m/s. C) 3/5 km /s. D) 36 km/h. Show Answer Correct Answer: D) 36 km/h. 18. A mean solar day contains ..... A) 24 days. B) Year. C) 24 minutes. D) 24 hours. Show Answer Correct Answer: D) 24 hours. 19. Who experemented thependulam of clock? A) Galla street. B) Gorinancedwricane and theugal. C) Gallileeolie galliiei. D) Answer inadiquete. Show Answer Correct Answer: B) Gorinancedwricane and theugal. 20. Shona cycles at an average speed of 8km/h. How far has she travelled if she cycles for 4 hours? A) 55km. B) Harassed. C) 43WAKM. D) 32miles. Show Answer Correct Answer: B) Harassed. 21. Some of the ancient clocks A) Sand clock. B) Wrist watch. C) Wall clock. D) Pendulum clock. Show Answer Correct Answer: A) Sand clock. 22. The Science that includes the study and measurement of time is called ..... A) Horology. B) Biology. C) Geology. D) None of the above. Show Answer Correct Answer: A) Horology. 23. What is the difference between uniform and non-uniform motion? A) Uniform motion involves acceleration; non-uniform motion does not. B) Non-uniform motion is always in a straight line. C) Uniform motion is faster than non-uniform motion. D) Uniform motion has constant speed; non-uniform motion has varying speed. Show Answer Correct Answer: D) Uniform motion has constant speed; non-uniform motion has varying speed. 24. Speed can also be expressed in terms of ..... (or) ..... A) M/m. B) M/m, km/hr. C) What. D) All. Show Answer Correct Answer: B) M/m, km/hr. 25. The speed of a motorcar is 10 m/s. Its speed in km/h is A) 2.5 m/s. B) 18 km/h. C) 36 km/h. D) 54 km/h. Show Answer Correct Answer: C) 36 km/h. ← 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