This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Science > Motion And Time > Class 7 Science Chapter 9 Motion And Time – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 9 Motion And Time Quiz 15 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An instrument that is used to measurespeed is A) Speedometer. B) Odometer. C) Time period. D) Simple Pendulum. Show Answer Correct Answer: A) Speedometer. 2. The displacement between the mean position and the extreme position, is called what? A) Equilibrium position. B) Scalar. C) Amplitude. D) Vector. Show Answer Correct Answer: C) Amplitude. 3. Can be further defined as a representative average of those employees who are fully trained and able satisfactorily to perform any and all phases of the work involved, in accordance with the requirements of the job under consideration. A) Qualified employee. B) Standard pace. C) Effective utilization. D) Fair day's work. Show Answer Correct Answer: A) Qualified employee. 4. All oscillatory motions are A) Circular motions. B) Rotatory motions. C) Periodic motions. D) Rectilinear motions. Show Answer Correct Answer: C) Periodic motions. 5. How many seconds are there in 1 hour? A) 120. B) 60. C) 360. D) 3600. Show Answer Correct Answer: D) 3600. 6. The ages of stars and planets are expressed in ..... of years A) Billions. B) Millions. C) Trillions. D) Zillions. Show Answer Correct Answer: A) Billions. 7. Latent heat of fusion is amount of A) Heat energy required to change 1 g of solid into liquid completely. B) Heat energy required to change 1 kg solid into liquid completely at its melting point. C) Heat energy required to convert 1 kg solid into liquid at room temperature. D) Heat energy required to change 1 kg of solid into liquid at any temperature. Show Answer Correct Answer: B) Heat energy required to change 1 kg solid into liquid completely at its melting point. 8. The motion that repeat itself after regular intervals of time can be ..... A) To and fro motion. B) Circular motion. C) Rectilinear motion. D) Periodic motion. Show Answer Correct Answer: D) Periodic motion. 9. How do you tell if an object is in motion A) Pushing on it. B) Timing it. C) Touching it. D) Reference points. Show Answer Correct Answer: D) Reference points. 10. Motion of a child on a see-saw. A) Linear motion. B) Oscillatory motion. C) Circular motion. D) None of these. Show Answer Correct Answer: B) Oscillatory motion. 11. Distance equal to A) Speed /time. B) Speed *time. C) None. D) Time /speed. Show Answer Correct Answer: B) Speed *time. 12. How does non-uniform motion differ from uniform motion? A) Uniform motion can change direction while maintaining speed. B) Non-uniform motion is always faster than uniform motion. C) Non-uniform motion differs from uniform motion in that it involves changes in speed or direction, while uniform motion maintains a constant speed in a straight line. D) Non-uniform motion occurs only in circular paths. Show Answer Correct Answer: C) Non-uniform motion differs from uniform motion in that it involves changes in speed or direction, while uniform motion maintains a constant speed in a straight line. 13. To and fro movement along a fixed axis is called ..... A) Oscillation. B) Amplitude. C) Time period. D) None of these. Show Answer Correct Answer: A) Oscillation. 14. If Car A covers 50 kilometers in 20 minutes and Car B covers 50 kilometers in 30 minutes, which one is slower A) A. B) B. C) Both are slow. D) None of the above. Show Answer Correct Answer: B) B. 15. Convert 72 km/h into m/s. A) 72 m/s. B) 20m/s. C) 36 m/s. D) 12 m/s. Show Answer Correct Answer: B) 20m/s. 16. Which is not a characteristic of lion? A) Lion is a fast animal. B) Lion has light brown colour. C) Lion has eyes on the sides of its head. D) Lion can withdraw the claws in its front legs. Show Answer Correct Answer: C) Lion has eyes on the sides of its head. 17. Time is equal to A) Speed *distance. B) Distance/ speed. C) Speed/ distance. D) Distance* speed. Show Answer Correct Answer: B) Distance/ speed. 18. Increase rate of speed over time A) Fast. B) Speed. C) Acceleration. D) Velocity. Show Answer Correct Answer: C) Acceleration. 19. If a plane flies at a speed of 800 km/h for 2.5 hours, how far does it travel? A) 2000 km. B) 1500 km. C) 1000 km. D) 2500 km. Show Answer Correct Answer: A) 2000 km. 20. A ..... tells time respect to the position of the sun in the sky A) Sundial. B) Sunrell. C) Shadowtime. D) Sundiall. Show Answer Correct Answer: D) Sundiall. 21. A car moves with a speed of 80 km/h for 15 minutes and then with a speed of 60km/h for the next 15 mins. The total distance covered by the car is A) 100 km. B) Your brother. C) 50km. D) 70 km. Show Answer Correct Answer: B) Your brother. 22. What type of motion is represented by a straight line on a graph? A) Cyclic motion. B) Accelerated motion. C) Uniform motion. D) Random motion. Show Answer Correct Answer: C) Uniform motion. 23. The motion of Earth around the sun is A) Circular motion. B) Translatory motion. C) Non uniform motion. D) None of the above. Show Answer Correct Answer: A) Circular motion. 24. The fact that the time period of a simple pendulum remains same is used in ..... clock A) SUNDIAL. B) SIMPLE. C) PENDULUM. D) None of the above. Show Answer Correct Answer: C) PENDULUM. 25. Whose observation led to development of pendulum clock? A) Albert Einstein. B) Marie Curie. C) Galileo Galilei. D) None of the above. Show Answer Correct Answer: C) Galileo Galilei. 26. Speedometer measures distance A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 27. The device which is used to measure the distance travelled by a vehicle is called A) Barometer. B) Odometer. C) Anemometer. D) Speedometer. Show Answer Correct Answer: B) Odometer. 28. The most accurate time measurement is done by which clock other than quartz clock A) Sports clock. B) Atomic clock. C) Wrist watch. D) Wall clock. Show Answer Correct Answer: B) Atomic clock. 29. Average speed is measured in ..... A) Metre per second. B) Minutes per hour. C) All the above. D) None of the above. Show Answer Correct Answer: A) Metre per second. 30. What is the motion of a bee A) Random motion. B) Uniform motion. C) Non-uniform motion. D) Rectilinear motion. Show Answer Correct Answer: A) Random motion. 31. The speed of a car is 40 km/h. What is time taken to reach from one city to another city if the distance between the two cities is 480 km A) 10 hours. B) 14 hours. C) 11 hours. D) 12 hours. Show Answer Correct Answer: D) 12 hours. 32. Which is NOT an insulator. A) Wool. B) Plastic. C) Copper. D) Glass. Show Answer Correct Answer: C) Copper. 33. What device measures the total distance traveled by a vehicle? A) Accelerometer. B) Chronometer. C) Odometer. D) Speedometer. Show Answer Correct Answer: C) Odometer. 34. A train covers 360km in 6 hours. What is the speed of the train A) 120km/hr. B) 60km/hr. C) 45km/hr. D) None of the above. Show Answer Correct Answer: B) 60km/hr. 35. When an object moves along the straight line with a constant speed, it is said to be in A) Harmonic motion. B) Non-Uniform motion. C) Circular motion. D) Uniform motion. Show Answer Correct Answer: D) Uniform motion. 36. The time period of a given pendulum is not constant. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 37. Distance = 400kmSpeed =20km/hrTime =?? A) 12 hrs. B) 20 hrs. C) 10 hrs. D) 18hrs. Show Answer Correct Answer: B) 20 hrs. 38. Which of them includes both rotational and rectilinear motion A) Merry go round. B) Earth. C) Sewing machine. D) Bicycle. Show Answer Correct Answer: D) Bicycle. 39. Define rectilinear motion and give an example. A) Rectilinear motion is the motion of an object along a straight line. Example:A car driving straight down a highway. B) A ball rolling down a hill. C) A train moving around a bend. D) Circular motion of a spinning top. Show Answer Correct Answer: A) Rectilinear motion is the motion of an object along a straight line. Example:A car driving straight down a highway. 40. A school bus travels at 60 km/h to cover a distance of 12 km. How much time will the bus take to cover this distance? A) 20 minutes. B) 15 minutes. C) 10 minutes. D) 12 minutes. Show Answer Correct Answer: D) 12 minutes. 41. Which scientist has done the first experiment with pendulum A) William Harvey. B) Galileo Galilei. C) All the above. D) None of the above. Show Answer Correct Answer: B) Galileo Galilei. 42. On which axis is dependent variable represented? A) On any axis. B) Y-axis. C) Depends on the data. D) X-axis. Show Answer Correct Answer: B) Y-axis. 43. A ..... is the length from the elbow to the finger tips A) Cubit. B) Angle. C) Mutthi. D) None of the above. Show Answer Correct Answer: A) Cubit. 44. Can be defined as the effective rate of performance of a conscientious, self-paced, qualified employee when working neither fast nor slow and giving due consideration to the physical, mental, or visual requirements of the specific job. A) Qualified employee. B) Standard pace. C) Effective utilization. D) Fair day's work. Show Answer Correct Answer: B) Standard pace. 45. The pendulam of a wall clock makes this type of motion A) Periodic. B) Oscillatory. C) Rotatory. D) Rectilinear. Show Answer Correct Answer: B) Oscillatory. 46. ..... cannot be used after sunset. A) Sand clock. B) Hour glass. C) Sundial. D) Pendulum. Show Answer Correct Answer: C) Sundial. 47. True or FalseDeca is a sub multiple unit A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 48. When I say, "I am Walking" , I am:- A) I am at rest. B) I am too lazy. C) I am exercising. D) In motion. Show Answer Correct Answer: D) In motion. 49. Our ancestors considered one month as time between A) One new moon to no moon. B) Crescent moon to full moon. C) One new moon to next new moon. D) Half moon to full moon. Show Answer Correct Answer: C) One new moon to next new moon. 50. When breakdown of glucose occurs with the use of oxygen it is called A) Aerobic Respiration. B) Cellular Respiration. C) Anaerobic Respiration. D) None of these. Show Answer Correct Answer: A) Aerobic Respiration. 51. How far will a person go if they jog for 2 hours at a speed of 12 km/hr? A) 24 km. B) 0.5 km. C) 10 km. D) 6 km. Show Answer Correct Answer: A) 24 km. 52. A horizontal line on a distance vs. time graph means the object's speed is A) Increasing. B) Decreasing. C) Zero. D) None of the above. Show Answer Correct Answer: C) Zero. 53. A faster moving object covers A) Less distance in Shorter time. B) More distance in Shorter time. C) More distance in more time. D) Less distance in more time. Show Answer Correct Answer: B) More distance in Shorter time. 54. A train takes 24 hours to travel from A to B with the speed of 48 km/hr. Find the distance covered. A) 1152 km. B) 2 km. C) 1125 km. D) Half km. Show Answer Correct Answer: A) 1152 km. 55. Motion of objects can be presented in pictorial form by their ..... A) Time-time graph. B) Speed-distance graph. C) Distance-speed graph. D) Distance-time graph. Show Answer Correct Answer: D) Distance-time graph. 56. If the speed of a car is 50 km/hr and then how much distance will it cover in 10 minutes? A) 25.33 km. B) 500 km. C) 8.33 km. D) 80 km. Show Answer Correct Answer: C) 8.33 km. 57. Balanced forces can cause A) An object to speed up or slow down. B) An object to stay still or move at a constant speed and direction. C) All the above. D) None of the above. Show Answer Correct Answer: B) An object to stay still or move at a constant speed and direction. 58. Larger units of time are ..... and ..... A) Time. B) 1joule. C) Second. D) Minutes, hrs. Show Answer Correct Answer: D) Minutes, hrs. 59. The distance travelled by an object in unit time is called speed. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 60. Rani travels a distance of 3 km in 15 minutes. What is her speed in km/h? A) 12 km/h. B) 15 km/h. C) 20 km/h. D) 13 km/h. Show Answer Correct Answer: A) 12 km/h. ← PreviousNext →Related QuizzesScience QuizzesClass 7 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books