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

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 (I) = ____________

    (a)

    Qt

    (b)

    t/Q

    (c)

    Q/t

    (d)

    Q/t2

  2. An imaginary line perpendicular to the reflecting surface is called

    (a)

    imaginary line

    (b)

    curved line

    (c)

    Perpendicular line

    (d)

    normal

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

    (a)

    Rusting

    (b)

    Thermolysis

    (c)

    Electrolysis

    (d)

    Photolysis

  4. _______ shows both living and nonliving characteristics.

    (a)

    Protozoa

    (b)

    virus

    (c)

    bacteria

    (d)

    Fungi

  5. Binominal Nomenclature was first introduced in the year of _______

    (a)

    1970

    (b)

    1975

    (c)

    1978

    (d)

    1623

  6. ______ is the earliest system of classification in plants.

    (a)

    Natural system of classification

    (b)

    Artificial system of classification

    (c)

    Phylogenetic system of classification

    (d)

    Modern system of classification

  7. In the absence of oxygen, glucose is broken down in to ________.

    (a)

    Lactic acid

    (b)

    Citric acid

    (c)

    Acetic acid

    (d)

    Nitric acid

  8. _________make up organs

    (a)

    Cells

    (b)

    Tissues

    (c)

    Organ system

    (d)

    None of the above

  9. Fifth generation computer has ___________ Intelligence.

    (a)

    Transistors

    (b)

    Integrated Circuits

    (c)

    Microprocessor

    (d)

    Artificial Intelligence

  10. When was the first computer introduced?

    (a)

    1980

    (b)

    1947

    (c)

    1946

    (d)

    1985

  11. Which of the following a simple circuit must have?

    (a)

    Energy Source, Battery, Load

    (b)

    Energy Source, Wire, Load

    (c)

    Energy Source, Wire, Switch

    (d)

    Battery, Wire, Switch

  12. The same proportion of carbon and oxygen in the carbon dioxide obtained from different sources proves the law of __________

    (a)

    reciprocal proportion

    (b)

    definite proportion

    (c)

    multiple proportion

    (d)

    conservation of mass

  13. Cockroach moves with the help of its

    (a)

    leg

    (b)

    bone

    (c)

    muscular foot

    (d)

    whole body

  14. During menstruation, the progesterone level is ___________

    (a)

    decreased

    (b)

    increased

    (c)

    ceased

    (d)

    normal

  15. Sound waves travel very fast in

    (a)

    air

    (b)

    metals

    (c)

    vacuum

    (d)

    liquids

  16. The south pole of a bar magnet and the north pole of a U-shaped magnet will __________.

    (a)

    attract each other

    (b)

    repel each other

    (c)

    neither attract nor repel each other

    (d)

    None of the above

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

    (a)

    oxygen

    (b)

    hydrogen

    (c)

    nitrogen

    (d)

    carbon dioxide

  18. In basic solution turmeric indicator paper changes from yellow to __________

    (a)

    blue

    (b)

    green

    (c)

    yellow

    (d)

    red

  19. The method in which water flows over the soil surface and allow it to infiltrate is

    (a)

    irrigation

    (b)

    surface irrigation

    (c)

    springler irrigation

    (d)

    drip irrigation

  20. The Keyboard shortcut is used to copy the selected text

    (a)

    Ctrl + C

    (b)

    Ctrl + V

    (c)

    Ctrl + X

    (d)

    Ctrl + A

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