8th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - One

8th Standard

    Reg.No. :
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Science

Time : 00:20:00 Hrs
Total Marks : 20

    Part A

    20 x 1 = 20
  1. Electric current belongs to ______quantities

    (a)

    base

    (b)

    supplementary

    (c)

    derived

    (d)

    professional

  2. Pressure exerted by a liquid is increased by

    (a)

    the density of the liquid

    (b)

    the height of the liquid column

    (c)

    Both (a) & (b)

    (d)

    None of the above

  3. The distance from the pole to the focus is called

    (a)

    Pole length

    (b)

    focal length

    (c)

    principal axis

    (d)

    None of the above

  4. A form of non-metal which has high ductility is

    (a)

    nitrogen

    (b)

    oxygen

    (c)

    chlorine

    (d)

    carbon

  5. The burning of matchstick is an example for chemical reaction based on______

    (a)

    Contact

    (b)

    electricity

    (c)

    light

    (d)

    catalyst

  6. Based on shape, the bacteria are classified into _______ types.

    (a)

    2

    (b)

    3

    (c)

    4

    (d)

    5

  7. Floridian starch is a reserve food material of _______

    (a)

    Chloroplyceae

    (b)

    Phaeophyceae

    (c)

    Rhodophyceae

    (d)

    Cyanophyceae

  8. ______________ cells are specialised cells that can be transformed into any kind of cells.

    (a)

    Nerve

    (b)

    Stem

    (c)

    Heart

    (d)

    Bone

  9. Pen drive is _____device.

    (a)

    Output

    (b)

    Input

    (c)

    Storage

    (d)

    Connecting cable

  10. 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

  11. An electroscope has been charged by induction with the help of charged glassrod. The charge on the electroscope is

    (a)

    negative

    (b)

    positive

    (c)

    both positive and negative

    (d)

    None of the above

  12. 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

  13. 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

  14. External ear (pinna )is supported by

    (a)

    bone

    (b)

    cartilage

    (c)

    tendon

    (d)

    capsule

  15. ___________ are the chemical substances, secreted by endocrine glands.

    (a)

    Hormones

    (b)

    Enzymes

    (c)

    Proteins

    (d)

    Fatty acids

  16. Which of the following are the characteristics of vibrations?
    i. Frequency
    ii. Time period
    iii. Pitch
    iv. Loudness

    (a)

    i and ii

    (b)

    ii and iii

    (c)

    iii and iv

    (d)

    i and iv

  17. A compass is used for __________

    (a)

    plotting magnetic lines

    (b)

    detection of magnetic field

    (c)

    navigation

    (d)

    All of these

  18. Cryogenic fuels are stored at

    (a)

    room temperature

    (b)

    low temperature

    (c)

    very low temperature

    (d)

    very high temperature

  19. In acidic solutions blue litmus changes into ______ colour.

    (a)

    blue

    (b)

    green

    (c)

    red

    (d)

    white

  20. __________ is the coal of superior quality.

    (a)

    Peat

    (b)

    Lignite

    (c)

    Bituminous

    (d)

    Anthracite

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