8th Standard Science English Medium Free Online Test Creative 1 Mark Questions with Answer Key Part - 2

8th Standard

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Science

Time : 00:10:00 Hrs
Total Marks : 10

    Part A

    10 x 1 = 10
  1. Amount of substance is

    (a)

    directly proportional to the number of atoms

    (b)

    inversely proportional to the number of atoms

    (c)

    directly proportional to the square of number of atoms

    (d)

    inversely proportional to the square of number of atoms

  2. The centre of a sphere of which the reflecting surface of a spherical mirror is a part is called

    (a)

    pole

    (b)

    centre of curvature

    (c)

    cradius of curvature

    (d)

    aperture

  3. Which one of metal possess low tensile strength?

    (a)

    Silver

    (b)

    Copper

    (c)

    Zinc

    (d)

    Aluminium

  4. Limestone contains ______ mainly.

    (a)

    Calcium chloride

    (b)

    calcium carbonate

    (c)

    calcium nitrate

    (d)

    calcium sulphate

  5. Floridian starch is a reserve food material of _______

    (a)

    Chloroplyceae

    (b)

    Phaeophyceae

    (c)

    Rhodophyceae

    (d)

    Cyanophyceae

  6. Osmosis is the movement of water molecules from a ___________.

    (a)

    Higher concentration to a region of lower concentration.

    (b)

    Lower concentration to a region of higher concentration.

    (c)

    Both of these

    (d)

    None of these

  7. If you apply equal amount of heat to a solid, liquid and gas individually, which of the following will have more expansion?

    (a)

    Solid

    (b)

    Liquid

    (c)

    Gas

    (d)

    All of them

  8. Carbon dioxide with water changes

    (a)

    blue litmus to red

    (b)

    red litmus to blue

    (c)

    blue litmus to yellow

    (d)

    doesn’t react with litmus

  9. Why do underwater divers wear fin-like flippers on their feet ?

    (a)

    To swim easily in water

    (b)

    To look like a fish.

    (c)

    To walk on water surface

    (d)

    To walk over the bottom of the sea (sea bed).

  10. The sperm is produced by ____________

    (a)

    penis

    (b)

    ovary

    (c)

    uterus

    (d)

    testes

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