Measurement One Mark Questions

7th Standard EM

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Science

Time : 01:00:00 Hrs
Total Marks : 20
    5 x 1 = 5
  1. Which of the following is a derived unit?

    (a)

    mass

    (b)

    time

    (c)

    area

    (d)

    length

  2. Which of the following is correct?

    (a)

    1L = 1cc

    (b)

    1L = 10 cc

    (c)

    1L = 100 cc

    (d)

    1L = 1000 cc

  3. Two spheres have equal mass and volume in the ratio 2:1. The ratio of their density is

    (a)

    1:2

    (b)

    2:1

    (c)

    4:1

    (d)

    1:4

  4. The unit of volume is ____________

    (a)

    m3

    (b)

    m2

    (c)

    cm3

    (d)

    km

  5. Physical quantities are classified into __________ types

    (a)

    three

    (b)

    two

    (c)

    four

    (d)

    none of the above

  6. 5 x 1 = 5
  7. One astronomical unit is equal to _________

    ()

    1.496 x 1011m

  8. The area of a leaf can be measured using a ________

    ()

    graph sheet

  9. The materials with higher density are called __________

    ()

    denser

  10. The materials with lower density are called _________

    ()

    rarer

  11. The area of irregularly shaped figures can be calculated with the help of a _________

    ()

    graph sheet

  12. 5 x 1 = 5
  13. The region covered by the boundary of the plane figure is called its volume

    (a) True
    (b) False
  14. Volume of liquids can be found using measuring containers

    (a) True
    (b) False
  15. Water is denser than kerosene.

    (a) True
    (b) False
  16. A ball of iron floats in mercury.

    (a) True
    (b) False
  17. A substance which contains less number of molecules per unit volume is said to be denser.

    (a) True
    (b) False
  18. 5 x 1 = 5
  19. Area

  20. (1)

    second (S)

  21. Distance

  22. (2)

    m2

  23. Length

  24. (3)

    metre (M)

  25. time

  26. (4)

    kilogram (K)

  27. Mass

  28. (5)

    light year

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