This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Science > Motion And Time > Class 7 Science Chapter 9 Motion And Time – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 9 Motion And Time Quiz 6 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A car moves with a speed of 40 km/h for 15 minutes and then with a speed of 60 km/h for the next 15 minutes. The total distance covered by the car is. Take you time to solve. A) 100 km. B) 15 km. C) 25 km. D) 10 km. Show Answer Correct Answer: C) 25 km. 2. What is speed of Falcon A) 90km/h. B) 400km/h. C) 60km/h. D) 320km/h. Show Answer Correct Answer: D) 320km/h. 3. Which of the following cannot be used for measurement of time? A) Simple Pendulum. B) Clock. C) Shadow of an object during the day. D) Blinking eyes. Show Answer Correct Answer: D) Blinking eyes. 4. In which motion does the body moves along a straight line? A) Rectilinear Motion. B) Circular Motion. C) Oscillatory Motion. D) Random Motion. Show Answer Correct Answer: A) Rectilinear Motion. 5. To measure time we can use A) Regularity of oscillation of quartz crystal. B) Periodic oscillation of apendulum. C) Both a and b. D) None of the above. Show Answer Correct Answer: C) Both a and b. 6. What is a periodic motion? A) A circulation. B) A repitation. C) A periodic circulation. D) A continuation. Show Answer Correct Answer: B) A repitation. 7. The symbol of unit of amount of substance is? A) A. B) Mol. C) K. D) Mole. Show Answer Correct Answer: B) Mol. 8. What type of motion exhibited by simple pendulum A) Rectillinear motion. B) Rotational motion. C) Circular motion. D) Periodic motion. Show Answer Correct Answer: D) Periodic motion. 9. 36 km/hr is equal to A) 20 m/s. B) 10 m/s. C) 1 m/s. D) 5 m/s. Show Answer Correct Answer: B) 10 m/s. 10. S.I unit of time A) M/s. B) Km/h. C) S/m. D) M/mm. Show Answer Correct Answer: A) M/s. 11. A nanosecond is one ..... of a second. A) Millionth. B) Billionth. C) Hundredth. D) Thousandth. Show Answer Correct Answer: B) Billionth. 12. Which of the following clocks uses sand to measure time? A) Quartz clock. B) Sundial. C) Sand clock. D) Pendulum clock. Show Answer Correct Answer: C) Sand clock. 13. Moving of swing is an example of A) Rectilinear. B) Non-Uniform. C) Curvilinear. D) Oscillation. Show Answer Correct Answer: D) Oscillation. 14. A vertical section through different layers of soil is called the A) Layers of soil. B) Soil Profile. C) All of these. D) None of these. Show Answer Correct Answer: B) Soil Profile. 15. The needle that moves fastest in a clock is ..... A) Minute hand. B) Seconds hand. C) Hour hand. D) None of the above. Show Answer Correct Answer: B) Seconds hand. 16. How to understand the motion slow or fast A) By seeing at speed. B) I don't know. C) The object which travels more distance in less time is the fastest. D) None of them. Show Answer Correct Answer: C) The object which travels more distance in less time is the fastest. 17. How can you determine the speed from a distance-time graph? A) Calculate the area under the graph. B) Find the slope of the distance-time graph. C) Count the number of points on the graph. D) Measure the thickness of the graph line. Show Answer Correct Answer: B) Find the slope of the distance-time graph. 18. Who discovered the fact that time period of given pendulum is constant? A) James Bond. B) Antonio charles. C) Gim He had been. D) Mark Zuckerberg. Show Answer Correct Answer: C) Gim He had been. 19. They have an electric circuit that works with the help of cells. They provide accurate time. A) Pendulum clock. B) Sand clock. C) Quartz clock. D) Water clock. Show Answer Correct Answer: C) Quartz clock. 20. Speed= ..... /Time A) Distance. B) Vector. C) Meter. D) Displacement. Show Answer Correct Answer: A) Distance. 21. The speed of a train is expressed in m/h A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 22. What unit is commonly used to measure time? A) Days. B) Hours. C) Minutes. D) Seconds. Show Answer Correct Answer: D) Seconds. 23. The rotation of the earth eastward causes A) The seasons. B) Day and night. C) Dizziness. D) Earthquakes. Show Answer Correct Answer: B) Day and night. 24. What is a oscillation measured in? A) Gauge. B) Mg. C) Hz. D) Ampere. Show Answer Correct Answer: C) Hz. 25. The first pendulum was invented by a ..... scientist named ..... A) Dutch / Christian Huygens. B) African / Elon Musk. C) American / Jeff Bezos. D) German / Alfred wegener. Show Answer Correct Answer: A) Dutch / Christian Huygens. 26. The time taken by the earth to complete one revolution around the sun is called A) A day. B) A year. C) A month. D) Half year. Show Answer Correct Answer: B) A year. 27. Force is required to A) All the above. B) Change an object from motion into rest. C) Change its direction. D) Change the object from rest into motion. Show Answer Correct Answer: A) All the above. 28. The speed of a car is 36 km/h whereas the speed of a bus is 12 m/s. Which vehicle moves faster? A) Bus. B) Car. C) Both at same speed. D) No answerr. Show Answer Correct Answer: B) Car. 29. What is uniform motion and how is it different from non-uniform motion? A) Uniform motion is when an object travels in a circular path at a constant speed. B) Uniform motion is when an object moves randomly at varying speeds. C) Non-uniform motion is when an object's speed remains constant over time. D) Uniform motion is when an object travels in a straight line at a constant speed. Non-uniform motion is when an object's speed or direction changes over time. Show Answer Correct Answer: D) Uniform motion is when an object travels in a straight line at a constant speed. Non-uniform motion is when an object's speed or direction changes over time. 30. How do you convert seconds into minutes? A) Add 60 to the number of seconds. B) Subtract 60 from the number of seconds. C) Multiply the number of seconds by 60. D) Divide the number of seconds by 60. Show Answer Correct Answer: D) Divide the number of seconds by 60. 31. If a pendulum swings back and forth 10 times in 20 seconds, what is its frequency? A) 0.25 Hz. B) 1 Hz. C) 2 Hz. D) 0.5 Hz. Show Answer Correct Answer: D) 0.5 Hz. 32. SI unit of length? A) Centimetre. B) Kilometre. C) Millimeter. D) Metre. Show Answer Correct Answer: D) Metre. 33. Which device uses the position of the sun to measure time? A) Quartz clock. B) Water clock. C) Sundial. D) Pendulum clock. Show Answer Correct Answer: C) Sundial. 34. In a simple pendulum, the metallic ball suspended by thread is called its ..... A) Bob. B) Thread. C) Stand. D) Ball. Show Answer Correct Answer: A) Bob. 35. Boojho walks to his school which is at distance of 3 km from his home in 30 minutes. On reaching he finds that the school is closed and comes back by a bicycle with his friend and reaches home in 20 minutes. what is the total distance covered by Boojho? A) 30 minutes. B) 3 km. C) 50 minutes. D) 6 kilograms. Show Answer Correct Answer: D) 6 kilograms. 36. Giving out of air rich in carbon dioxide is known as A) Exhalation. B) Inhalation. C) Breathing. D) Breathing rate. Show Answer Correct Answer: A) Exhalation. 37. SI unit of distance is ..... A) Metre. B) Km. C) Cm. D) All. Show Answer Correct Answer: A) Metre. 38. A bus travel 54 km in 90 minutes the speed of the bus is?? A) 0.6 m/s. B) 3.6 m/s. C) 10 m/s. D) 5.4 m/s. Show Answer Correct Answer: C) 10 m/s. 39. How does a simple pendulum demonstrate periodic motion? A) It exhibits periodic motion by vibrating rapidly. B) It demonstrates periodic motion by spinning in circles. C) A simple pendulum demonstrates periodic motion by swinging back and forth in a regular, repeating pattern. D) It shows periodic motion by moving in a straight line. Show Answer Correct Answer: C) A simple pendulum demonstrates periodic motion by swinging back and forth in a regular, repeating pattern. 40. Which of the clock will be most accurate? A) Atomic clock. B) Hourglass. C) Sundial. D) Pendulum. Show Answer Correct Answer: A) Atomic clock. 41. Reading Comprehension-The Sundial Bridge Both "Build a Sundial" and "The Sundial Bridge" include the idea that- A) People used sundials before clocks were invented. B) A sundial's time can be checked with a "noon mark.". C) A modern sundial was built in Redding, California. D) Making a sundial today is easy. Show Answer Correct Answer: A) People used sundials before clocks were invented. 42. Which condition out of the following will increase the evaporation of water? A) Adding common salt to water. B) Decrease in temperature of water. C) Increase in temperature of water. D) Less exposed surface area of water. Show Answer Correct Answer: C) Increase in temperature of water. 43. Describe the relationship between distance and time in motion. A) Distance = speed + time. B) Distance = speed x time. C) Distance = speed-time. D) Distance = time / speed. Show Answer Correct Answer: B) Distance = speed x time. 44. Speed of a car is 40 km/h. What is the time taken by the car if the distance between 2 cities is 480 km? A) 10. B) 13. C) 12. D) 9. Show Answer Correct Answer: C) 12. 45. The process of breakdown of food in the cell with the release of energy is called A) Aerobic respiration. B) Anaerobic Respiration. C) Cellular Respiration. D) None of these. Show Answer Correct Answer: C) Cellular Respiration. 46. The time taken by the pendulum to complete ..... is called it'stime period. A) Ten oscillations. B) One oscillation. C) Five oscillations. D) None of the above. Show Answer Correct Answer: B) One oscillation. 47. A few substances are arranged in the increasing order of 'forces of attraction'between their particles.Which one of the following represents a correct arrangement? A) Air, sugar, oil. B) Oxygen, water, sugar. C) Sugar, juice, air. D) Water, air, wind. Show Answer Correct Answer: B) Oxygen, water, sugar. 48. A pendulum takes 32s to complete 20 oscillations. What is its time period? A) 2.2 seconds. B) 0.256 seconds. C) 1.6 seconds. D) 1.3 seconds. Show Answer Correct Answer: C) 1.6 seconds. 49. A measurement of distance over time A) Speed. B) Acceleration. C) Force. D) Distance. Show Answer Correct Answer: A) Speed. 50. The movement of see-saw shows ..... motion A) Rotatory. B) Vibrotory. C) Random. D) Periodic. Show Answer Correct Answer: B) Vibrotory. 51. Ram's car moves at a speed of 22km/h. He has to cover 154km in 4 hours.If Ram moves at a constant speed, how early or late would he reach his destination? A) Ram would reach 3 hours late at his destination. B) Ram would reach 2 hours early at his destination. C) Ram would reach 3 hours early at his destination. D) Ram would reach at the exact time at the destination. E) Ram would reach 2 hours late at his destination. Show Answer Correct Answer: A) Ram would reach 3 hours late at his destination. 52. Q2 The object that is moving is set to be in: A) Stable. B) Rest. C) Motion. D) Reference point. Show Answer Correct Answer: C) Motion. 53. The motion of coins on carrom board is A) Periodic. B) Rotatory. C) Rectilinear. D) Oscillatory. Show Answer Correct Answer: C) Rectilinear. 54. What is the unit of speed? A) Meters per second (m/s). B) Miles per hour (mph). C) Kilometers per hour (km/h). D) Liters per minute (L/min). Show Answer Correct Answer: A) Meters per second (m/s). 55. On a distance-versus-time graph, a straight line ALWAYS indicates that an object's speed is ..... A) Decreasing. B) Constant. C) Zero. D) Increasing. Show Answer Correct Answer: B) Constant. 56. Which of the following is the correct formula to calculate speed? A) Speed = Time / Distance. B) Speed = Distance / Time. C) Speed = Distance + Time. D) Speed = Distance x Time. Show Answer Correct Answer: B) Speed = Distance / Time. 57. Are ideal for recording operators' methods and elapsed time. By taking pictures of the operation and then studying them one frame at a time, analysts can record exact details of the method used and can then assign normal time values. A) Training equipment. B) Stopwatch. C) Videotape camcorders. D) Time study board. Show Answer Correct Answer: C) Videotape camcorders. 58. What is the speed of human walking A) 8km/h. B) SCM/x. C) 11km/h. D) 19km/h. Show Answer Correct Answer: A) 8km/h. 59. How is speed calculated? A) Speed = Distance / Time. B) Speed = Time / Distance. C) Speed = Distance-Time. D) Speed = Distance + Time. Show Answer Correct Answer: A) Speed = Distance / Time. 60. Explain the difference between speed and velocity. A) Speed is scalar; velocity is vector. B) Speed can be negative; velocity cannot be negative. C) Speed includes direction; velocity does not include direction. D) Speed is a measure of distance; velocity is a measure of time. Show Answer Correct Answer: A) Speed is scalar; velocity is vector. ← 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 7Class 7 Science Chapter 9 Motion And Time Quiz 8Class 7 Science Chapter 9 Motion And Time Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books