This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Science > Motion And Time > Class 7 Science Chapter 9 Motion And Time – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 9 Motion And Time Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If distance is in km and time is in hr, the speed is in A) M/s. B) M/hr. C) Km/s. D) Km/hr. Show Answer Correct Answer: D) Km/hr. 2. Years = ..... centuries A) 100. B) 10. C) 10, 000. D) 1000. Show Answer Correct Answer: A) 100. 3. The electric current in the circuit always flows from ..... terminal of the cell to the ..... terminal. A) Negative, negative. B) Negative, positive. C) Positive, positive. D) Positive, negative. Show Answer Correct Answer: D) Positive, negative. 4. A motion in a straight line in a fixed direction represents a A) Circular motion. B) Uniform motion. C) Periodic motion. D) Non-uniform motion. Show Answer Correct Answer: B) Uniform motion. 5. What is time period? A) The time period is the same everywhere. B) The time taken by the pendulum to complete ten oscillations. C) The time taken by the pendulum to complete one oscillation. D) A period when a pendulum clock is working. Show Answer Correct Answer: C) The time taken by the pendulum to complete one oscillation. 6. Motion of objects can be presented in ..... form by their distance-time graphs A) Pictorial. B) Pi chart. C) Circular. D) None. Show Answer Correct Answer: A) Pictorial. 7. A bus takes 30 minutes to cover a distance of 18 km. Calculate it's speed in km/h. A) 20km/h. B) 10km/h. C) 36km/h. D) 37km / h. Show Answer Correct Answer: C) 36km/h. 8. Which of the following represents a velocity? A) 40 m/s. B) 40 m. C) 40 m/s north. D) 40 m north. Show Answer Correct Answer: C) 40 m/s north. 9. A body is moving along acircular track covering one complete round of 60m in 10 sec. Its average speed is A) 10 m. B) 6 m/s. C) 10 m/s. D) 3 m/s. Show Answer Correct Answer: B) 6 m/s. 10. A simple pendulum executes a A) Periodic motion. B) Oscillatory motion. C) Both a and b. D) None of these. Show Answer Correct Answer: C) Both a and b. 11. A month was measured as the time between the slighting of one new moon and the next. True or False A) True. B) False. C) Other options. D) None of the above. Show Answer Correct Answer: A) True. 12. Which of these is not a standard unit? A) Second. B) Meter. C) Hand Span. D) Gram. Show Answer Correct Answer: C) Hand Span. 13. Device to measure speed A) Speedometer. B) Pedometer. C) Odometer. D) No idea:(. Show Answer Correct Answer: A) Speedometer. 14. What is the function of odometre A) To measure time. B) To record time. C) To record distance. D) To measure speed. Show Answer Correct Answer: C) To record distance. 15. What is common in the following? Motion of the propeller of a flying helicopter, the hands of a watch, motion of a gaint-wheel. A) All are examples of rotatory motion. B) 1 & 3. C) All are examples of translatory motion. D) All are examples of oscillatory motion. Show Answer Correct Answer: A) All are examples of rotatory motion. 16. Who was the italian astronomer who prove that motion of pendulum is periodic A) Galileo Galilei. B) Sir isaac newton. C) Mr charles. D) Mr boil. Show Answer Correct Answer: A) Galileo Galilei. 17. Calculate the velocity of a cyclist traveling 100km south over a period of 5 hours A) 10km/h south. B) 20km/h south. C) 20km/h. D) 10mi/h. Show Answer Correct Answer: B) 20km/h south. 18. What is uniform motion? A) When an object moves in a circular path. B) When an object is at rest. C) When an object moves with changing speed. D) When an object moves with constant speed. Show Answer Correct Answer: D) When an object moves with constant speed. 19. The motion of simple pendulum is A) Circular motion. B) Straight line motion. C) Oscillatory motion. D) Random motion. Show Answer Correct Answer: C) Oscillatory motion. 20. Pendulum A has length of 50 m and weight of the bob is 20 kg. Pendulum B has a length of 30 m and the weight of the bob is 30 kg. A) Pendulum A has shorter time period than pendulum B as the time period depends on the weight of the bob. B) Pendulum B has shorter time period than pendulum A as the time period is independent of the weight of the bob. C) Both pendulums have same time period. D) Data is insufficient. Show Answer Correct Answer: B) Pendulum B has shorter time period than pendulum A as the time period is independent of the weight of the bob. 21. Device used to measure speed of a car is A) Graph. B) Odometer. C) Speedometer. D) None. Show Answer Correct Answer: C) Speedometer. 22. This belongs to uniform motion A) Movement of hands of clock. B) A boy cycling in crowded place. C) Mvement of house fly. D) Movement of snake. Show Answer Correct Answer: A) Movement of hands of clock. 23. The basic unit of time is minute. (True/False) A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. The ..... covered by an object in a unit time is called speed A) Velocity. B) Distance. C) Displacement. D) Speed. Show Answer Correct Answer: B) Distance. 25. Speed is defined as ..... A) Distance/time. B) Time/Distance. C) Distance x time. D) None. Show Answer Correct Answer: A) Distance/time. 26. Distance covered by a moving body in unit time is its A) Length. B) Speed. C) Distance. D) Time. Show Answer Correct Answer: B) Speed. 27. What is the symbol for distance A) S. B) A. C) S. D) V. Show Answer Correct Answer: A) S. 28. If soil contains greater proportion of big particles it is called A) Loamy Soil. B) Sandy Soil. C) Clayey Soil. D) None of these. Show Answer Correct Answer: B) Sandy Soil. 29. When the stopwatch is being used, analysts find it convenient to have a suitable board to hold the time study form and the stopwatch. A) Time study board. B) Training equipment. C) Videotape camcorders. D) Stopwatch. Show Answer Correct Answer: A) Time study board. 30. An object is said to be in motion if ..... A) It changes its position with respect to its surroundings. B) It does not change its position with respect to its surroundings. C) All the above. D) It changes the position of its particles within the object. Show Answer Correct Answer: A) It changes its position with respect to its surroundings. 31. Distance from Delhi to Chandigarh is 250km.Bus travels at a average speed of 50km/hr.How much time it would take to travel from Chandigarh to Delhi. A) 6 hours 30 minutes. B) 5 hours. C) 6 hours. D) 12 hours 50 minutes. Show Answer Correct Answer: B) 5 hours. 32. If an object travels with different speeds, what type of motion is it undergoing? A) Constant Motion. B) Linear Motion. C) Non-uniform Motion. D) Uniform Motion. Show Answer Correct Answer: C) Non-uniform Motion. 33. Speed is the total ..... divided by the total ..... taken. A) Time taken, speed. B) Speed, Time. C) Distance covered, Time. D) Time, Distance covered. Show Answer Correct Answer: C) Distance covered, Time. 34. A graph is shown below. What does the area of the shaded portion in the graph represent? A) Time. B) Speed. C) Distance. D) Uniform motion. Show Answer Correct Answer: C) Distance. 35. The relation between time, distance and speed is A) Time=speed/distance. B) Time=distance/speed. C) Distance=speed/time. D) Speed=distance/time. Show Answer Correct Answer: D) Speed=distance/time. 36. ..... is the location of an object in relation to a nearby object or place. A) Velocity. B) Speed. C) Distance. D) Position. Show Answer Correct Answer: D) Position. 37. The correct symbol to represent the speed of an object is: A) 5 m/s. B) 5 m/s$^{-1}$. C) 5 s/m. D) 5 MP. Show Answer Correct Answer: A) 5 m/s. 38. Which of these is a unit of time A) Light year. B) Nautical. C) Mile. D) Second. Show Answer Correct Answer: D) Second. 39. It involves the methods and motions used to perform a task. A) Therblig. B) Work Design. C) Motion study. D) Time study. Show Answer Correct Answer: B) Work Design. 40. (iv) Motion of a child on a see-saw. A) Oscillatory. B) Circular. C) Straight line. D) None of the above. Show Answer Correct Answer: A) Oscillatory. 41. The distance covered by an object in a ..... is called its speed. A) Kilometer. B) Meter. C) Unit time. D) Unit meter. Show Answer Correct Answer: C) Unit time. 42. Soil, water and air are ..... components of a habitat. A) Abiotic. B) Biotic. C) Liquid. D) Solid. Show Answer Correct Answer: A) Abiotic. 43. What is the drawback of a sundial? A) It does not have any drawback. B) It is based on the principal of shadow formation. C) It doesn't work in night. D) It is not portable. Show Answer Correct Answer: C) It doesn't work in night. 44. What is the slope of a distance-time graph indicative of? A) The total distance traveled by an object. B) The direction of an object. C) The acceleration of an object. D) The speed of an object. Show Answer Correct Answer: D) The speed of an object. 45. The odometer of a car reads 57321.0 km when the clock shows the time 08:30 AM. What is the distance moved by the car, if at 08:50 AM, the odometer reading has changed to 57336.0 km? Calculate the speed of the car in km/min during this time. Express the speed in km/h also A) 85 km/hr. B) 45 km/hr. C) 100 km/hr. D) All of these. Show Answer Correct Answer: B) 45 km/hr. 46. Who first designed the pendulum clock? A) Galileo. B) Newton. C) Edison. D) None of these. Show Answer Correct Answer: A) Galileo. 47. What is the comparison of an unknown quantity with some fixed quantity of the same kind? A) Measurement. B) Speed. C) A standard unit. D) Pendulum. Show Answer Correct Answer: A) Measurement. 48. Combination of two or more cells are called A) Inverter. B) Battery. C) Cell. D) Cellphone. Show Answer Correct Answer: B) Battery. 49. Periodic events are used for the measurement of time. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 50. What is a nanosecond? A) $\frac{1}{1, 000, 000, 000, 000}$. B) $\frac{1}{1, 000, 00, 000}$. C) $\frac{1}{1, 000, 000}$. D) $\frac{1}{1, 000, 000, 000}$. Show Answer Correct Answer: D) $\frac{1}{1, 000, 000, 000}$. 51. If an object moving in a straight line often changes it's speed then A) The motion is said to be non uniform motion. B) The motion is said to be uniform motion. C) The motion is said to be slow motion. D) The object is said to be at rest. Show Answer Correct Answer: A) The motion is said to be non uniform motion. 52. The formula to calculate distance is A) S x T. B) T/S. C) S/T. D) None of the above. Show Answer Correct Answer: A) S x T. 53. Define Time period of Pendulum A) Movement from right side to the left side. B) The time taken by it to complete one oscillation. C) Moving from one place to another. D) To and fro motion. Show Answer Correct Answer: B) The time taken by it to complete one oscillation. 54. SI Unit of speed is A) M/s. B) Km/s. C) M/pH. D) Km/ph. Show Answer Correct Answer: A) M/s. 55. A faster moving object covers more distance in ..... time A) More. B) Less. C) Equal. D) Speed is not related to distance and time. Show Answer Correct Answer: B) Less. 56. The motion of the moon around the earth represents a A) Periodic motion. B) Oscillatory motion. C) Circular motion. D) None of these. Show Answer Correct Answer: A) Periodic motion. 57. How many types of soil are there: A) 4. B) 7. C) 9. D) None of these. Show Answer Correct Answer: D) None of these. 58. The unit of speed is m/s or ..... A) M$^{-1 }$s. B) Ms$^{-1}$. C) Ms. D) Ms$^{1}$. Show Answer Correct Answer: B) Ms$^{-1}$. 59. Akash travelled 8 km in the speed 2 km/h. What is the time taken? A) 4 hours. B) 2 hours. C) 1 hour. D) 3 hours. Show Answer Correct Answer: A) 4 hours. 60. Time between one sunrise and the next sunrise was called a ..... A) Month. B) Day. C) Hour. D) Year. Show Answer Correct Answer: B) Day. ← 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 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books