This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 9 Motion And Time – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 9 Motion And Time Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In modern wrist watch, time is measured by the vibrations of a ..... crystals A) Quartz. B) Diamond. C) GOLD. D) None of the above. Show Answer Correct Answer: A) Quartz. 2. What are the three main types of motion? A) Cyclic motion, linear acceleration, angular momentum. B) Translational motion, vibrational motion, periodic motion. C) Static motion, dynamic motion, gravitational motion. D) Linear motion, rotational motion, oscillatory motion. Show Answer Correct Answer: D) Linear motion, rotational motion, oscillatory motion. 3. Classify the following as motion along a straight line, circular or oscillatory motion:a) Motion of a horse pulling a cart on a straight road. b) Motion of a kid in a merry-go-round A) Straight, periodic. B) Oscillatory, straight. C) Periodic, circular. D) Straight, circular. Show Answer Correct Answer: D) Straight, circular. 4. The SI unit of speed A) M/s. B) Km/s. C) Km/hr. D) M/hr. Show Answer Correct Answer: A) M/s. 5. Different ..... of time are used depending on the need. A) Units. B) Intervals. C) Gaps. D) Changes. Show Answer Correct Answer: A) Units. 6. What is the standard unit for measuring current? A) Ohm. B) Voltage. C) None of these. D) Newton. Show Answer Correct Answer: C) None of these. 7. A car travels a distance of 240 km in 4 hours. What is its average speed? A) 60 km/h. B) 80 km/h. C) 100 km/h. D) 120 km/h. Show Answer Correct Answer: B) 80 km/h. 8. A cheetah's running Average speed is A) 32. B) 31. C) 40. D) 41. Show Answer Correct Answer: B) 31. 9. Meter present on the dashboard of a car A) Speedometer. B) Micrometer. C) Petrol tank meter. D) None of them. Show Answer Correct Answer: A) Speedometer. 10. The S.I unit of speed is A) Meter per second. B) Kilometer per second. C) Both. D) None of the above. Show Answer Correct Answer: A) Meter per second. 11. The speed of a motorcar is 27 km/h. Its speed in m/s is A) 2.5 m/s. B) 7.5 m/s. C) 17.5 m/s. D) 10 m/s. Show Answer Correct Answer: B) 7.5 m/s. 12. What is the basic unit of speed? A) M/s. B) M/my. C) Km/m. D) Km/h. Show Answer Correct Answer: A) M/s. 13. How long does it take to travel 60km when going at a speed of 5km/h A) 12s. B) 12h. C) .08h. D) 300km/h. Show Answer Correct Answer: B) 12h. 14. What is the other name for sundial clock? A) Sun clock. B) Water clock. C) Shadow clock. D) Day clock. Show Answer Correct Answer: C) Shadow clock. 15. If the speed of an object along a straight line keeps changing, its motion is said to be A) (a) uniform motion. B) (b) non-uniform motion. C) (c) linear motion. D) None of the above. Show Answer Correct Answer: B) (b) non-uniform motion. 16. What is the difference between frequency and time period? A) Frequency and time period are inversely related; frequency measures cycles per second, while time period measures the duration of one cycle. B) Frequency is measured in minutes instead of seconds. C) Time period measures the speed of a cycle. D) Frequency is the same as time period. Show Answer Correct Answer: A) Frequency and time period are inversely related; frequency measures cycles per second, while time period measures the duration of one cycle. 17. The SI unit of distance / length is ..... A) Metre. B) Centimetre. C) Millimetre. D) None of the above. Show Answer Correct Answer: A) Metre. 18. The length of cloth is 27.15m. Convert into cm A) 2.715. B) 0. 2715. C) 2715. D) 271.5. Show Answer Correct Answer: C) 2715. 19. How is time measured in physics? A) Time is measured in hours based on the Earth's rotation. B) Time is measured in minutes using a pendulum. C) Time is measured in days according to lunar cycles. D) Time is measured in seconds, defined by atomic vibrations. Show Answer Correct Answer: D) Time is measured in seconds, defined by atomic vibrations. 20. SI unit for speed A) Mph. B) M/s or km/h. C) Newtons. D) Pounds. Show Answer Correct Answer: B) M/s or km/h. 21. What is the S.I. unit of speed? A) Km/s. B) Km/m. C) M/s. D) M/h. Show Answer Correct Answer: C) M/s. 22. On which axis is dependent variable represented?(a) x-axis(b) y-axis(c) On any axis(d) Depends on the data A) . B) . C) . D) Q. Show Answer Correct Answer: A) . 23. Which one of these is not a type graph? A) Pie chart. B) Bar graph. C) None of these. D) Line graph. Show Answer Correct Answer: C) None of these. 24. Which of the following could not be a unit of speed A) Km/h. B) S/m. C) M/s. D) Mm/s. Show Answer Correct Answer: B) S/m. 25. The speed of a car is 54 km/h. Its speed in m/s is A) 25 m/s. B) 20 m/s. C) 15 m/s. D) 10 m/s. Show Answer Correct Answer: C) 15 m/s. ← 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 8Class 7 Science Chapter 9 Motion And Time Quiz 9Class 7 Science Chapter 9 Motion And Time Quiz 10Class 7 Science Chapter 9 Motion And Time Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books