8th Standard Science English Medium Free Online Test Book Back 1 Mark Questions Part - Two

8th Standard

    Reg.No. :
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Science

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

    Part A

    10 x 1 = 10
  1. Many adolescent boys and girls get pimples on face, due to the secretions of _________ gland.

    (a)

    sweat

    (b)

    sebaceous

    (c)

    sweat and sebaceous

    (d)

    None of these

  2. What kind of musical instrument is a sitar?

    (a)

    String instrument

    (b)

    Percussion instrument

    (c)

    Wind instrument

    (d)

    None of these

  3. A magnet attracts __________.

    (a)

    wooden materials

    (b)

    any metal

    (c)

    copper

    (d)

    iron and steel

  4. Chandrayaan - 1 was launched on

    (a)

    22nd October 2008

    (b)

    8th November 2008

    (c)

    22nd July 2019

    (d)

    22nd October 2019

  5. The gas collected at the cathode on electrolysis of water is

    (a)

    oxygen

    (b)

    hydrogen

    (c)

    nitrogen

    (d)

    carbon dioxide

  6. Acid mixed with base forms ________

    (a)

    salt and water

    (b)

    salt

    (c)

    water

    (d)

    No reaction

  7. Which is known as syn gas?

    (a)

    Marsh gas

    (b)

    Water gas

    (c)

    Producer gas

    (d)

    Coal gas

  8. Organism that control insects and pests of plant crops is

    (a)

    bio-pesticides

    (b)

    bio-fertilizers

    (c)

    earthworms

    (d)

    neem leaves

  9. Deforestation means ______

    (a)

    cleaning of forest

    (b)

    to grow plants

    (c)

    to look after plants

    (d)

    None of these.

  10. If the ruler is not displayed in the screen, __________ option is clicked.

    (a)

    View -> ruler

    (b)

    View -> task

    (c)

    File -> save

    (d)

    Edit -> paste

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