Class 6 Science Units and Measurement MCQs
Class 6 Science Units and Measurement MCQs
Class: 6 | Subject: Science | Section: Motion & Measurement | Topic: Units and Measurement | CBSE Board Examination
Instructions: These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 6 Science examination standard. Each answer includes detailed explanation for clear concept understanding.
1. A unit is defined as:
Answer: b)
A unit is a fixed standard used to measure physical quantities accurately.
A unit is a fixed standard used to measure physical quantities accurately.
2. SI unit of length is:
Answer: b)
Meter is internationally accepted standard unit.
Meter is internationally accepted standard unit.
3. Which is a non‑standard unit?
Answer: c)
It varies from person to person.
It varies from person to person.
4. SI unit of mass is:
Answer: b)
Kilogram is standard SI unit.
Kilogram is standard SI unit.
5. Device used to measure length:
Answer: b)
Ruler/meter scale measures length.
Ruler/meter scale measures length.
6. 1 km =
Answer: c)
1 kilometer equals 1000 meters.
1 kilometer equals 1000 meters.
7. SI system stands for:
Answer: c)
Globally accepted measurement system.
Globally accepted measurement system.
8. Measuring tape is used for:
Answer: a)
Flexible tape measures curves.
Flexible tape measures curves.
9. Small lengths are measured in:
Answer: c)
Centimeter suits short distances.
Centimeter suits short distances.
10. Balance measures:
Answer: b)
Used to compare masses.
Used to compare masses.
11. Footstep measurement is:
Answer: b)
Varies by person.
Varies by person.
12. Correct order small → large:
Answer: b)
Increasing magnitude.
Increasing magnitude.
13. Standard units are important because:
Answer: a)
Ensure uniformity.
Ensure uniformity.
14. 100 cm =
Answer: b)
Basic conversion.
Basic conversion.
15. Instrument for cloth measurement:
Answer: b)
Used by tailors.
Used by tailors.
16. Unit of time:
Answer: b)
SI unit of time.
SI unit of time.
17. Measuring curved line uses:
Answer: a)
Thread follows curve.
Thread follows curve.
18. Unit used worldwide:
Answer: c)
International standard.
International standard.
19. Mass of vegetables measured in:
Answer: b)
Used in markets.
Used in markets.
20. Measurement without unit is:
Answer: b)
Units give value significance.
Units give value significance.