Term 1 Model Questions

7th Standard

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Science

Time : 01:30:00 Hrs
Total Marks : 60
    5 x 1 = 5
  1. The SI unit of speed is __________

    (a)

    m/s2

    (b)

    m/s

    (c)

    km/h

    (d)

    m2/s

  2. From the given v-t graph it can be inferred that the object is _______.

    (a)

    in uniform motion

    (b)

    at rest

    (c)

    in non uniform motion

    (d)

    moving with uniform acceleration

  3. Which one of the following is an example for a metal?

    (a)

    Iron

    (b)

    Oxygen

    (c)

    Helium

    (d)

    Water

  4. The sub-atomic particle which revolves around the nucleus is _______.

    (a)

    Atom

    (b)

    Neutron

    (c)

    Electron

    (d)

    Proton

  5. Asexual reproduction in yeast is _________.

    (a)

    Spore formation

    (b)

    Fragmentation

    (c)

    Pollination

    (d)

    Budding

  6. 5 x 1 = 5
  7. Density of mercury is ________.

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    13,600 kg/m3

  8. If the velocity of an object increases with respect to time, then the object is said to be in_______ acceleration.

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    positive

  9. The smallest particle of matter that can exist by itself is ______.

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    atom

  10. The nucleus has ________ and ________.

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    protons and neutrons

  11. I am green colour box with garbage. I am ________

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    dustbin

  12. 4 x 1 = 4
  13. The region covered by the boundary of the plane figure is called its volume

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

    (a) True
    (b) False
  15. The transfer of pollen to the stigma is known as pollination.

    (a) True
    (b) False
  16. Leaves of Aloe vera are fleshy and store water.

    (a) True
    (b) False
  17. 5 x 1 = 5
  18. Volume

  19. (1)

    Microsoft Photostory

  20. Speed of ship

  21. (2)

    Cramps in legs

  22. Sucker

  23. (3)

    Knot

  24. Cholera

  25. (4)

    m3

  26. Video Story

  27. (5)

    Chrysanthemum

    1 x 5 = 5
  28. The volume of water is a measuring cylinder is 50 ml. When a stone is tied to a string is immersed in the water, the water level rises to 83 ml. Find the volume of the stone.

  29. 3 x 2 = 6
  30. Assertion: Wood floats in water.
    Reason: Water is a transparent liquid
    a. Both assertion and reason are true and reason is the correct explanation of assertion.
    b. Both assertion and reason are true, but reason is not the correct explanation of assertion.
    c. Assertion is true but reason is false.
    d. Assertion is false but reason is true.

  31. Assertion: Oxygen is a compound.
    Reason: Oxygen cannot be broken down into anything simpler
    a. Both assertion and reason are true and reason is the correct explanation of assertion.
    b. Both assertion and reason are true, but reason is not the correct explanation of assertion.
    c. Assertion is true but reason is false.
    d. Assertion is false but reason is true.

  32. Assertion: An atom is electrically neutral.
    Reason: Atoms have equal number of protons and electrons.
    a) Both assertion and reason are true and reason is the correct explanation of assertion.
    b) Both assertion and reason are true, but reason is not the correct explanation of assertion.
    c) Assertion is true but reason is false.
    d) Assertion is false but reason is true.

  33. 10 x 2 = 20
  34. Name some of the derived quantities.

  35. What is the density of gold?

  36. What is the distance between the earth and proxima centauri star?

  37. Name the constituents of water.

  38. Define - Atom.

  39. Define – pollination.

  40. Describe a stamen.

  41. Name two disease which can be prevented by vaccination.

  42. What is Raster Graphics?

  43. What is 'Photoshop'?

  44. 2 x 5 = 10
  45. Differentiate metals and non metals.

  46. Write about any three Communicable diseases in details.

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