Term 1 Model Question Paper

8th Standard EM

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Science

Time : 02:00:00 Hrs
Total Marks : 60
    4 x 1 = 4
  1. SI unit of temperature is

    (a)

    celsius

    (b)

    fahrenheit

    (c)

    kelvin

    (d)

    ampere

  2. Unit of pressure is

    (a)

    pascal

    (b)

    N m–2

    (c)

    poise

    (d)

    Both (a) & (b)

  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. Symbol of Mercury is

    (a)

    Ag

    (b)

    Hg

    (c)

    Au

    (d)

    Pb

  5. 5 x 1 = 5
  6. _______ is used to measure electric current.

    ()

    Ammeter

  7. The property of _____ of a liquid surface enables the water droplets to move upward in plants.

    ()

    surface tension

  8. Water contains _______ and ______ element

    ()

    hydrogen, oxygen

  9. _______ are the infectious protein particles.

    ()

    Prion

  10. The largest cell is egg of an _________.

    ()

    Ostrich

  11. 5 x 1 = 5
  12. One coulomb of charge fl owing per minute is called ‘ampere’.

    (a) True
    (b) False
  13. Liquid pressure decreases with the decrease of depth.

    (a) True
    (b) False
  14. Yeast is used in the large scale production of alcohol.

    (a) True
    (b) False
  15. Mosses are the well developed plant in bryophytes.

    (a) True
    (b) False
  16. In gymnosperms ovules are developed from the flowers.

    (a) True
    (b) False
  17. 5 x 1 = 5
  18. Lubricants

  19. (1)

    Oxygen

  20. Irregular reflection

  21. (2)

    CO2 water and heat

  22. Iron

  23. (3)

    reduce friction

  24. Ozone

  25. (4)

    Sewing needle

  26. Glucose

  27. (5)

    Wall

    8 x 2 = 16
  28. What is the SI unit of Luminous Intensity?

  29. Define one atmosphere.

  30. If two plane mirrors are inclined to each other at an angle of 90°, find the number of images formed.

  31. What is ductility?

  32. Define catalysis

  33. Who discovered penicillin?

  34. Write any two characters of dicotyledons.

  35. Define Metabolism?

  36. 5 x 3 = 15
  37. Define - mole.

  38. Write down three applications of Pascal’s law.

  39. Define a Alchemy.

  40. Write the differences between algae and fungi.

  41. What is a Computer?

  42. 2 x 5 = 10
  43. Explain the three types of pollution.

  44. Differentiate between inhalation and exhalation.

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