This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 9 Motion And Time – Quiz 32 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 9 Motion And Time Quiz 32 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following cannot be separated by sublimation? A) Iodine and NaCl. B) Iodine and Ammonium chloride. C) Camphor and Sodium chloride. D) Naphthalene and Sand. Show Answer Correct Answer: B) Iodine and Ammonium chloride. 2. What does a steep slope in a distance-time graph represent? A) Object at rest. B) High speed. C) Constant speed. D) Low speed. Show Answer Correct Answer: B) High speed. 3. Did you liked our prestentation-atifah the gr8 and Nivirity A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 4. To Calculate speed we need A) Distance and Time. B) Time and Frequency. C) Velocity and Distance. D) Direction and Time. Show Answer Correct Answer: A) Distance and Time. 5. The quantity which are dependent on other physical quantity are called? A) Physical quantity. B) Derived physical quantity. C) Fundamental physical quantity. D) Supplementary physical quantity. Show Answer Correct Answer: B) Derived physical quantity. 6. Mrs. Avery speed walked 2 miles in 10 minutes, what is her speed? A) 0.2 miles/min. B) 2 miles/min. C) 20 miles/min. D) 40 miles/min. Show Answer Correct Answer: A) 0.2 miles/min. 7. In addition to the rock particles, the soil contains: A) Air and water. B) Water and plants. C) Minerals, organic matter, air and water. D) Water, air and plants. Show Answer Correct Answer: C) Minerals, organic matter, air and water. 8. Time period of a pendulum depends on its ..... A) Length. B) Height. C) Distance. D) Displacement. Show Answer Correct Answer: A) Length. 9. 10 centuries= ..... millennium A) 10 millennium. B) 100 millennium. C) 1 millennium. D) 1000 millennium. Show Answer Correct Answer: C) 1 millennium. 10. When the amplitude of vibrations of a simple pendulum is increased, then it's time-period? A) Decreases. B) Increases. C) Remains the same. D) First increases and then decreases. Show Answer Correct Answer: B) Increases. 11. Determine the number of seconds there in a day.(Hint:1 day = 24 hrs, 1 hour = 3600 sec) A) 50000 SEC. B) 86400 SEC. C) 72000 SEC. D) 90000 SEC. Show Answer Correct Answer: B) 86400 SEC. 12. What is oscillatory motion? A) To and fro motion along the same pathway. B) Motion in a straight line. C) Circular motion. D) Motion that is constant. Show Answer Correct Answer: A) To and fro motion along the same pathway. 13. Clocks that measure time accurately could be made only after the discovery of the simple pendulum by the? A) Italian scientist. B) Italian scientist Galileo Galilei. C) Indian scientist Galilei Galileo. D) None of the above. Show Answer Correct Answer: B) Italian scientist Galileo Galilei. 14. A body is said to be in motion if its position changes with respect to time (or passage of time) as observed by someone. A) False. B) True. C) T. D) None of the above. Show Answer Correct Answer: B) True. 15. Which of the following is an example of non-uniform motion? A) A ball rolling down a hill. B) A train moving on a straight track. C) A bicycle slowing down. D) A car moving at a constant speed. Show Answer Correct Answer: C) A bicycle slowing down. 16. If a pendulum completes 20 oscillations in 40 seconds, what is its time period? A) 2 seconds. B) 1 second. C) 0.5 seconds. D) 4 seconds. Show Answer Correct Answer: B) 1 second. 17. ..... is an instrument for measuring the distance covered by a vehicle. A) A car dashboard. B) Speedometer. C) Odometer. D) None of the above. Show Answer Correct Answer: C) Odometer. 18. How was it known about how long was a day in the olden days A) By sun. B) By Moon. C) By earths rotation. D) By dinner. Show Answer Correct Answer: A) By sun. 19. What is the significance of a flat line on a distance-time graph? A) The object is moving at a constant speed. B) The object is changing direction. C) The object is stationary. D) The object is accelerating. Show Answer Correct Answer: C) The object is stationary. 20. How can you determine speed from a distance-time graph? A) Speed is determined by the area under the graph. B) Speed is calculated by the time taken for the journey. C) Speed can be found by averaging the distances. D) Speed is determined by the slope of the distance-time graph. Show Answer Correct Answer: D) Speed is determined by the slope of the distance-time graph. 21. Which of the following measures the most accurate time? A) Sand clock. B) Water clock. C) Quartz clock. D) Sundial. Show Answer Correct Answer: C) Quartz clock. 22. The length of a year is equivalent to the time it takes for the A) Earth to orbit the moon. B) Earth to rotate, once. C) Earth to orbit the sun. D) The moon to orbit the Earth. Show Answer Correct Answer: C) Earth to orbit the sun. 23. What is the formula for speed?s = speedd = distance travelledt = time taken A) $s=\frac{t}{d}$. B) $s=\frac{d}{t}$. C) $t=\frac{s}{d}$. D) $t=\frac{d}{s}$. E) $d=\frac{t}{s}$. Show Answer Correct Answer: B) $s=\frac{d}{t}$. 24. The time taken by a pendulum of a given length to complete one oscillation is ..... A) Different at different times. B) Decreases at different times. C) Same at all times. D) Increases at different times. Show Answer Correct Answer: C) Same at all times. 25. Which of the following is not the unit of time? A) Hour. B) Year. C) Kelvin. D) Second. Show Answer Correct Answer: C) Kelvin. ← 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