8th Standard Science English Medium Free Online Test Book Back 1 Mark Questions with Answer Key Part - 3

8th Standard

    Reg.No. :
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Science

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

    Part A

    10 x 1 = 10
  1. __________ is the measure of the perceived power of light.

    (a)

    Luminous flux

    (b)

    Luminous power

    (c)

    Luminous Intensity

    (d)

    Both a and b

  2. Rain drops are spherical in nature because of _________

    (a)

    Frictional force

    (b)

    Buoyant force

    (c)

    Surface tension

    (d)

    Viscous force

  3. If the area of contact is greater, then the ______ will be greater.

    (a)

    Pressure

    (b)

    Temperature

    (c)

    Friction

    (d)

    Force

  4. In which mirror the following statement is labeled?

    (a)

    Convex mirror

    (b)

    Concave mirror

    (c)

    Plane mirror

    (d)

    Spherical mirror

  5. Which of the following does not possess metallic lustre?

    (a)

    Copper

    (b)

    Calcium'

    (c)

    aluminium

    (d)

    gold

  6. The chemical reactions carried out by the passage of electricity is called.

    (a)

    Rusting

    (b)

    Thermolysis

    (c)

    Electrolysis

    (d)

    Photolysis

  7. Yeast reproduces by __________

    (a)

    Fragmentation

    (b)

    Budding

    (c)

    Sporulation

    (d)

    Sexual method

  8. _____ is the giant kelp

    (a)

    Spirogyra

    (b)

    Volvox

    (c)

    Macrocystis

    (d)

    Chlorella

  9. _______tissues for conduction of nerve impalses

    (a)

    Epithelial

    (b)

    Muscular

    (c)

    Nervous

    (d)

    Supporting

  10. When was the first computer introduced?

    (a)

    1980

    (b)

    1947

    (c)

    1946

    (d)

    1985

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