## MCQ Questions for Class 6 Science: Ch 10 Motion and Measurement of Distances

1. Which one is not a/an ancient unit of measurement?
(a) Angul
(b) Meter
(c) Cubit
(d) Girah
â–º (b) Meter

2. The movement of earth around the sun is an example of
(a) Oscillatory motion
(b) Non-Periodic Motion
(c) Translatory motion
(d) Periodic motion
â–º (d) Periodic motion

3. What causes a moving body to resist a change in its state of motion?
(a) Its acceleration
(b) Its speed
(c) Its inertia
(d) Its weight
â–º (c) Its inertia

4. The distance between Delhi and Kanpur is usually expressed in
(a) Metre
(b) Hectometer
(c) Kilometer
(d) Centimeter
â–º (c) Kilometer

5. When the motion of the object is not along a fixed path with changing direction
(a) Oscillatory motion
(b) Circular motion.
(c) Random motion
(d) Periodic motion
â–º (c) Random motion

6. What is the name of motion when an object repeats its motion after some time?
(a) Curvilinear motion
(b) Periodic motion
(c) Rectilinear motion
(d) Circular motion
â–º (b) Periodic motion

7. One centimeter on a scale is divided into 20 equal divisions. The least count (minimum value) of this scale is
(a) 20 cm
(b) 1 mm
(c) 0.1 mm
(d) 0.5 mm
â–º (d) 0.5 mm

8. One hundred millimeter is equal to
(a) 10 dm
(b) 1Dm
(c) 1 m
(d) 10 cm
â–º (d) 10 cm

9. Hectare is the unit of
(a) Volume
(b) Length
(c) Area
(d) Mass
â–º (c) Area

10. Volume of milk in a bucket is measured in
(a) Meter square
(b) Milliliters
(c) Liters
(d) Kiloliter
â–º (c) Liters

11. When a body covers equal distance in equal interval of time. The motion of the body is
(a) Rectilinear motion
(b) Non-uniform motion
(c) Uniform motion
(d) Periodic motion
â–º (c) Uniform motion

12. Small thickness is measured by using
(a) Vernier scale
(b) Measuring tap
(c) Measuring rod
(d) Barometer
â–º (a) Vernier scale

13. One cm is equal to
(a) 1 km
(b) 1 m
(c) 10 mm
(d) 1000 m
â–º (c) 10 mm

14. Hectare can be used to measure
(a) Area of blackboard
(b) Volume of milk in a container
(c) Area of crop land
(d) Length of table top
â–º (c) Area of crop land

15. To and fro movement of body is termed as
(a) Oscillatory motion
(b) Circular and periodic motion.
(c) Periodic motion
(d) Vibratory motion
â–º (a) Oscillatory motion

16. Motion of strings of a guitar shows
(i) oscillatory motion
(ii) vibratory motion
(iii) random motion
(iv) rotational motion
(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iii)
(d) (ii) and (iv)
â–º (a) (i) and (ii)

17. What kind of motion a bullet shows when fired from a gun?
(a) Non-periodic motion.
(b) Linear motion
(c) Random motion
(d) Translatory motion
â–º (b) Linear motion

18. Motion of which of these object is known as periodic motion?
(a) Train
(b) Pendulum
(c) Aeroplane
(d) Flying bird
â–º (b) Pendulum

19. Which of the following statements is correct?
(a) Motion of soldiers on march past is a periodic motion.
(b) Motion of a train along a curved track on hills is the example of curvilinear motion.
(c) Every periodic motion is also a oscillatory motion.
(d) Hockey player running after a ball is a combined motion.
â–º (b) Motion of a train along a curved track on hills is the example of curvilinear motion.

20. A moving swing has
(a) Rectilinear motion
(b) Rotational motion
(c) Periodic motion
(d) Circular motion
â–º (c) Periodic motion

21. Comparison of unknown quantity with known quantity is called
(a) Measurement
(b) Movement
(c) Distance
(d) Volume
â–º (a) Measurement

22. A rider on horse falls back when horse starts running all of a sudden because
(a) Rider is taken back
(b) Rider is suddenly afraid of falling
(c) Inertia of rest keeps the upper part of body at rest while lower part of the body moves forward with the horse
(d) Inertia of motion keeps the upper part of body at rest while lower part of the body moves forward with the horse.
â–º (c) Inertia of rest keeps the upper part of body at rest while lower part of the body moves forward with the horse

23. Which of the following does not represent a time-interval?
(a) Time of sunrise
(b) A minute
(c) A day
(d) A second
â–º (a) Time of sunrise

24. The distance between two edges of writing board is measured in
(a) Meter
(b) Centimeter
(c) Millimeter
(d) Decimeter
â–º (b) Centimeter

25. Length of curved line can be measured by using
(a) Measuring rod
(b) Measuring tap
(c) Vernier scale

26. Which of the following statements is incorrect?
(a) Motion of a vehicle on a straight road is not rectilinear motion.
(b) Motion of honeybees is the example of random motion.
(c) Cubit is the length of a forearm.
(d) Centigrade is not the SI unit of temperature.
â–º (a) Motion of a vehicle on a straight road is not rectilinear motion.
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