8th Standard English Medium Science Subject Book Back 1 Mark Questions with Solution Part - II

8th Standard

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Science

Time : 00:30:00 Hrs
Total Marks : 15
    15 x 1 = 15
  1. Fuse is

    (a)

    a switch

    (b)

    a wire with low resistance

    (c)

    a wire with high resistance

    (d)

    a protective device for breaking an electric circuit

  2. Which of the following is known as azote?

    (a)

    Oxygen

    (b)

    Nitrogen

    (c)

    Sulpher

    (d)

    Carbon dioxide

  3. Which of the following statements made by Dalton has not undergone any change?

    (a)

    Atoms cannot be broken.

    (b)

    Atoms combine in small, whole numbers to form compounds.

    (c)

    Elements are made up of atoms.

    (d)

    All atoms of an elements are alike

  4. Which one of the following categories of vertebrae are correctly numbered.

    (a)

    Cervical-7

    (b)

    Thoracic-10

    (c)

    Lumbar - 4

    (d)

    Sacral - 4

  5. During menstruation, the progesterone level is ___________

    (a)

    decreased

    (b)

    increased

    (c)

    ceased

    (d)

    normal

  6. Tux Math software helps in learning the ________

    (a)

    painting

    (b)

    arithmetic

    (c)

    programming

    (d)

    graphics

  7. If the amplitude and frequency of a sound wave are increased, which of the following is true?

    (a)

    Loudness increases and pitch is higher.

    (b)

    Loudness increases and pitch is unchanged.

    (c)

    Loudness increases and pitch is lower.

    (d)

    Loudness decreases and pitch is lower.

  8. MRI stands for __________.

    (a)

    Magnetic Resonance Imaging

    (b)

    Magnetic Running Image

    (c)

    Magnetic Radio Imaging

    (d)

    Magnetic Radar Imaging

  9. ________ was the first manned mission of NASA to go to the moon.

    (a)

    Apollo-5

    (b)

    Apollo-8

    (c)

    Apollo-10

    (d)

    Apollo-11

  10. Which of the following is a water pollutant?

    (a)

    Lead

    (b)

    Alum

    (c)

    Oxygen

    (d)

    Chlorine

  11. Acid mixed with base forms ________

    (a)

    salt and water

    (b)

    salt

    (c)

    water

    (d)

    No reaction

  12. __________ is the coal of superior quality.

    (a)

    Peat

    (b)

    Lignite

    (c)

    Bituminous

    (d)

    Anthracite

  13. Effective microorganism preparation is not used in

    (a)

    seed treatment

    (b)

    foliar spray

    (c)

    soil treatment

    (d)

    bio-predators

  14. Insitu conservation is________

    (a)

    off-site conservation

    (b)

    on-site conservation

    (c)

    off-site conservation and on-site conservation

    (d)

    None of these

  15. How many types of page orientation are there in Libre office Writer?

    (a)

    1

    (b)

    2

    (c)

    3

    (d)

    4

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