Class 6 Science Chapter 5 MCQs – Measurement of Length and Motion
Class 6 Science Chapter 5 MCQs for “Measurement of Length and Motion” (based on NCERT textbook Curiosity ).
MCQ with Answers for Practice – Chapter 5 – Measurement of Length and Motion
This includes All types of MCQs normally asked in school exams, tests, and NCERT exercises.
MCQs – Class 6 Science Curiosity
Chapter 5: Measurement of Length and Motion
1. Deepa’s mother asked the shopkeeper for a cloth measuring two metres. Which unit was used here?
(a) Centimetre
(b) Millimetre
(c) Metre
(d) Foot
Answer: (c) Metre
2. Which measuring tool did the shopkeeper use for cloth?
(a) Plastic scale
(b) Metal rod
(c) Thread
(d) Footstep
Answer: (b) Metal rod
3. What did Deepa’s mother mean by “char angula”?
(a) Four footsteps
(b) Four arm lengths
(c) Four finger widths
(d) Four handspans
Answer: (c) Four finger widths
4. Which body part-based unit is used in the chapter for measuring a table?
(a) Fist
(b) Handspan
(c) Arm length
(d) Foot
Answer: (b) Handspan
5. Why do measurements differ when using handspan?
(a) People count incorrectly
(b) Handspan varies from person to person
(c) Poor eyesight
(d) Table length changes
Answer: (b) Handspan varies from person to person
6. Handspan, foot length and arm length are examples of:
(a) Standard units
(b) SI units
(c) Non-standard units
(d) Derived units
Answer: (c) Non-standard units
7. Which ancient Indian unit means finger width?
(a) Balisht
(b) Yojana
(c) Angula
(d) Dhanusa
Answer: (c) Angula
8. Which system of units is used worldwide today?
(a) British system
(b) Customary system
(c) SI system
(d) Greek system
Answer: (c) SI system
9. The SI unit of length is:
(a) Centimetre
(b) Millimetre
(c) Foot
(d) Metre
Answer: (d) Metre
10. 1 metre is equal to:
(a) 10 cm
(b) 100 cm
(c) 1000 cm
(d) 10 mm
Answer: (b) 100 cm
11. One millimetre (1 mm) is equal to:
(a) 0.1 cm
(b) 1 cm
(c) 10 cm
(d) 0.5 cm
Answer: (a) 0.1 cm
12. The smallest unit measurable on a 15-cm scale is:
(a) 1 cm
(b) 1 mm
(c) 0.5 cm
(d) 10 mm
Answer: (b) 1 mm
13. Which unit is most suitable for measuring the distance between two cities?
(a) Metre
(b) Centimetre
(c) Foot
(d) Kilometre
Answer: (d) Kilometre
14. 1 km =
(a) 100 m
(b) 500 m
(c) 1000 m
(d) 10,000 m
Answer: (c) 1000 m
15. Which unit is most suitable for measuring the thickness of a page?
(a) Metre
(b) Centimetre
(c) Millimetre
(d) Kilometre
Answer: (c) Millimetre
16. Which of the following is a standard unit of length?
(a) Handspan
(b) Foot
(c) Millimetre
(d) Fist
Answer: (c) Millimetre
17. Why should a scale be placed in contact with the object while measuring?
(a) To avoid bending
(b) To avoid parallax error
(c) To get accurate length
(d) To make it visible
Answer: (c) To get accurate length
18. Where should your eye be while reading measurement?
(a) Left side of the scale
(b) Above the object
(c) Directly above the marking
(d) At an angle
Answer: (c) Directly above the marking
19. If a scale has a broken zero, where should measurement start?
(a) From 0 cm
(b) From 5 cm
(c) From any clear full mark
(d) From the end
Answer: (c) From any clear full mark
20. In Fig. 5.6, the reading is from 1.0 cm to 10.4 cm. Actual length =
(a) 10.4 cm
(b) 11.4 cm
(c) 9.4 cm
(d) 1.4 cm
Answer: (c) 9.4 cm
21. Why do we use flexible tape for measuring the girth of a tree?
(a) It is cheap
(b) It bends around curved surfaces
(c) It is long
(d) It is colourful
Answer: (b) It bends around curved surfaces
22. In measurement, the result must include:
(a) Only number
(b) Only unit
(c) Number and unit
(d) Unit twice
Answer: (c) Number and unit
23. While writing units like cm, m, km, symbols should be:
(a) Uppercase
(b) Lowercase
(c) Italic
(d) Underlined
Answer: (b) Lowercase
24. Kilometre stones on roads indicate:
(a) City population
(b) Distance from a fixed point
(c) Road number
(d) Vehicle speed
Answer: (b) Distance from a fixed point
25. A fixed point from which distances are measured is called:
(a) Origin
(b) Base point
(c) Reference point
(d) Zero point
Answer: (c) Reference point
26. Padma saw “Delhi 70 km” then “Delhi 60 km”. What does this show?
(a) She is going away from Delhi
(b) She is moving in circles
(c) She is getting closer to Delhi
(d) She is stationary
Answer: (c) She is getting closer to Delhi
27. An object is said to be in motion when:
(a) It looks blurred
(b) Its position changes with respect to a reference point
(c) Its colour changes
(d) It makes noise
Answer: (b) Its position changes with respect to a reference point
28. A cow grazing in a field is an example of:
(a) Rest
(b) Motion
(c) Oscillation
(d) Rotation
Answer: (b) Motion
29. Passengers sitting inside a moving bus appear:
(a) In motion relative to trees
(b) At rest relative to the bus
(c) Both (a) and (b)
(d) Neither
Answer: (c) Both (a) and (b)
30. Which motion is shown by a ball dropped from a height?
(a) Linear motion
(b) Circular motion
(c) Oscillatory motion
(d) Random motion
Answer: (a) Linear motion
31. Motion of a merry-go-round is:
(a) Linear
(b) Circular
(c) Oscillatory
(d) Periodic only
Answer: (b) Circular
32. Motion of a swing is:
(a) Linear
(b) Circular
(c) Oscillatory
(d) Rotational
Answer: (c) Oscillatory
33. All oscillatory motions are also:
(a) Linear
(b) Circular
(c) Periodic
(d) Random
Answer: (c) Periodic
34. Which of the following shows circular motion?
(a) Fan blades
(b) Falling stone
(c) Child on a slide
(d) Measuring tape
Answer: (a) Fan blades
35. Which activity demonstrates oscillatory motion?
(a) Pushing a box
(b) Dropping an eraser
(c) Swinging a hanging eraser
(d) Rolling a ball
Answer: (c) Swinging a hanging eraser
36. Which type of motion does a metal strip show when pressed and released?
(a) Linear
(b) Circular
(c) Oscillatory
(d) Spiral
Answer: (c) Oscillatory
37. Motion that repeats itself after fixed intervals is called:
(a) Linear
(b) Random
(c) Periodic
(d) Irregular
Answer: (c) Periodic
38. Which of the following is not periodic?
(a) Pendulum
(b) Earth revolving
(c) Heartbeat
(d) Car moving on straight road
Answer: (d) Car moving on straight road
39. Rollercoaster motion from point A to F is:
(a) Only linear
(b) Only circular
(c) Combination of different motions
(d) Only oscillatory
Answer: (c) Combination of different motions
40. For making her own metre scale, Tasneem should avoid:
(a) Plywood
(b) Steel
(c) Paper
(d) Stretchable rubber
Answer: (d) Stretchable rubber
41. Why should stretchable rubber not be used for a scale?
(a) It is expensive
(b) It absorbs water
(c) It can stretch and give wrong length
(d) It is heavy
Answer: (c) It can stretch and give wrong length
42. Suitable unit to measure thickness of a coin:
(a) Kilometre
(b) Metre
(c) Centimetre
(d) Millimetre
Answer: (d) Millimetre
43. If distance between school and home is 1.5 km, in metres it is:
(a) 15 m
(b) 150 m
(c) 1500 m
(d) 15,000 m
Answer: (c) 1500 m
44. Which measurement method is used for curved lines?
(a) Ruler
(b) Divider
(c) Thread method
(d) Graph paper
Answer: (c) Thread method
45. The symbol of metre is written as:
(a) M
(b) m
(c) mt
(d) me
Answer: (b) m
46. Which is the most suitable reference point while finding distance from a city?
(a) A shop
(b) A river
(c) A kilometre stone
(d) A building name
Answer: (c) A kilometre stone
47. The motion of Earth around the Sun is:
(a) Linear
(b) Circular
(c) Oscillatory
(d) Periodic
Answer: (d) Periodic
48. Which object in a park shows oscillatory motion?
(a) Swing
(b) Merry-go-round
(c) Slide
(d) Bench
Answer: (a) Swing
49. What is the SI system also called?
(a) Standard system
(b) Scientific system
(c) International System of Units
(d) Universal measurement system
Answer: (c) International System of Units
50. What must be written with every measurement?
(a) Serial number
(b) Name of object
(c) Unit of measurement
(d) Colour of scale
Answer: (c) Unit of measurement