Important One Mark Question Paper

6th Standard

    Reg.No. :
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Science

Time : 01:00:00 Hrs
Total Marks : 50

    Part A

    23 x 1 = 23
  1. The girth of a tree can be measured by

    (a)

    Metre scale

    (b)

    plastic ruler

    (c)

    Metre rod

    (d)

    measuring tape

  2. The conversion of 7 m into cm gives

    (a)

    70 cm

    (b)

    700 cm

    (c)

    7 cm

    (d)

    7000 cm

  3. Choose the correct one

    (a)

    km > mm > cm > m

    (b)

    km> mm > cm > km

    (c)

    km > m > cm > mm

    (d)

    km > cm > m > mm

  4. While measuring length using a ruler, the position of your eye should be

    (a)

    Left side of the point.

    (b)

    Vertically above the point where the measurement is to be taken.

    (c)

    Right side of the point

    (d)

    Any where according to one’s convenience.

  5. Unit of speed is__________

    (a)

    m

    (b)

    s

    (c)

    kg

    (d)

    m/s

  6. Oscillatory motion among the following is__________

    (a)

    Rotation of the earth about its axis

    (b)

    Revolution of the moon about the earth

    (c)

    To and fro movement of a vibrating string

    (d)

    All of these.

  7. The correct relation among the following is __________

    (a)

    Speed = distance × time

    (b)

    Speed = distance / time

    (c)

    Speed = time / distance

    (d)

    Speed = 1 / (distance × time)

  8. _________ is not made of matter

    (a)

    gold ring

    (b)

    iron nail

    (c)

    light ray

    (d)

    oil drop

  9. Lighter impurities like dust, when mixed with rice or pulses, can be removed by __________

    (a)

    filtration

    (b)

    sedimentation

    (c)

    decantation

    (d)

    winnowing

  10. ___________ of is essential to perform winnowing activity.

    (a)

    Rain

    (b)

    Soil

    (c)

    Water

    (d)

    Air

  11. The important function of stomata is _____________.

    (a)

    Conduction

    (b)

    Transpiration

    (c)

    Photosynthesis

    (d)

    Absorption

  12. Organs of absorption

    (a)

    Root

    (b)

    Stem

    (c)

    Leaf

    (d)

    Flower

  13. Lizards breathe through their

    (a)

    Skin

    (b)

    Gills

    (c)

    Lungs

    (d)

    Trachea

  14. All animals need

    (a)

    Food and water only

    (b)

    Water only

    (c)

    Air, food and water

    (d)

    Food only

  15. Choose the set that represents only biotic components of a habitat

    (a)

    Tiger, Deer, Grass, Soil

    (b)

    Rocks, Soil, Plants, Air

    (c)

    Sand, Turtle, Crab, Rocks

    (d)

    Aquatic plant, Fish, Frog, Insects

  16. Birds fly in the air with the help of

    (a)

    heavy and strong Bones

    (b)

    Soft and thick Bones

    (c)

    Hollow and light Bones

    (d)

    Flat and thick Bones

  17. Scurvy is caused due to the deficiency of______________.

    (a)

    Vitamin A

    (b)

    Vitamin B

    (c)

    Vitamin C

    (d)

    Vitamin D

  18. Calcium is an example of a

    (a)

    carbohydrate

    (b)

    fat

    (c)

    Protein

    (d)

    minerals

  19. We should include fruits and vegetables in our diet, because ________________.

    (a)

    They are the best source of Carbohydrates

    (b)

    They are the best source of Proteins

    (c)

    They are rich in minerals and Vitamins

    (d)

    They have high water content

  20. Bacteria are very small _________ microorganism.

    (a)

    Prokaryotic

    (b)

    Eukaryotic

    (c)

    Protozoa

    (d)

    Acellular

  21. Which of the following is another form of computer?

    (a)

    Blackboard

    (b)

    Mobile

    (c)

    Radio

    (d)

    Book

  22. Who is the computer’s first programmer?

    (a)

    Lady Wellington

    (b)

    Augusta ado Lovelace

    (c)

    Mary Curie

    (d)

    Mary Comb

  23. Pick out the odd one.

    (a)

    Calculator

    (b)

    Abacus

    (c)

    Flash card

    (d)

    Laptop

  24. Part B

    27 x 1 = 27
  25. SI Unit of length is symbolically represented as _____________

    ()

    Metre

  26. 5 km = __________m.

    ()

    5000

  27. A bike moving on a straight road is an example of _________motion.

    ()

      Linear

  28. Gravitational force is a _________ force.

    ()

      Non Contact Force

  29. Matter is made up of _________

    ()

      atoms

  30. Grains can be separated from their stalks by ____________.

    ()

    Threshing

  31. The method employed to separate clay particles from water is ____________

    ()

      Filteration

  32. Among the following items: safety pins, pencil and rubber band, __________ will get attracted to a magnet.

    ()

      safety pins

  33. Earth's surface is covered by ___________% of water.

    ()

      More than 70%

  34. The driest places on earth are __________.

    ()

      desert

  35. Fixation and absorption are the main functions of _____________.

    ()

      root

  36. Primary organs of photosynthesis are _____________.

    ()

      leaves

  37. Tap root system present in __________ plants.

    ()

      dicotyledonous

  38. Aquatic, deserts, mountains are called _______________.

    ()

    Habitat

  39. Based on the number of cells present animals are classified into ___________ and ____________

    ()

    Unicellular and multicellular

  40. The breathing organ of a fish is known as ______________.

    ()

    gills

  41. Malnutrition leads to ___________

    ()

    deficiency disease

  42. Iodine deficiency leads to __________ in adults.

    ()

    goitre

  43. Vitamin D deficiency causes ___________.

    ()

    Rickets

  44. Typhoid is transmitted due to contamination of __________ and water.

    ()

    food

  45. Information is ________________data.

    ()

    Processed

  46. Fifth generation computer has __________________ intelligence.

    ()

    artificial

  47. ___________ is the device that uses Index number.

    ()

    Computer

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