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Important Question Part-II

6th Standard

    Reg.No. :
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Science

Time : 03:00:00 Hrs
Total Marks : 200

    Section - I

    36 x 1 = 36
  1. Choose the correct one

    (a)

    km > mm > cm > m

    (b)

    km> mm > cm > km

    (c)

    km > m > cm > mm

    (d)

    km > cm > m > mm

  2. ___________is used to measure the accurate time of the activity.

    (a)

    Clock

    (b)

    Watch

    (c)

    Stop clock

    (d)

    Measuring

  3. The moon's gravitational pull is one_____________of the earth's pull.

    (a)

    seventh

    (b)

    sixth

    (c)

    Fifth

    (d)

    Fourth

  4. Unit of speed is__________

    (a)

    m

    (b)

    s

    (c)

    kg

    (d)

    m/s

  5. Usain Bolt crossed 100 metre in____________seconds and made a world record

    (a)

    9.58

    (b)

    9.83

    (c)

    9.85

    (d)

    9.38

  6. _________________are robots scaled down to microscopic size in order to put them with very small spaces to perform a function

    (a)

    car robots

    (b)

    home robots

    (c)

    game robots

    (d)

    nanobots

  7. A___________ is the fastest land animal

    (a)

    Horse

    (b)

    Lion

    (c)

    Cheetah

    (d)

    Tiger

  8. From the following ___________ is not a mixture

    (a)

    Coffee with milk

    (b)

    lemon juice

    (c)

    water

    (d)

    ice cream embedded with nuts.

  9. All the matter made of __________

    (a)

    Particles

    (b)

    Atoms

    (c)

    Elements

    (d)

    Mixture

  10. ____________has definite shape and volume.

    (a)

    Solid

    (b)

    Liquid

    (c)

    Gas

    (d)

    None

  11. The important function of stomata is _____________.

    (a)

    Conduction

    (b)

    Transpiration

    (c)

    Photosynthesis

    (d)

    Absorption

  12. World habitat day is observed on first Monday of________.

    (a)

    October

    (b)

    November

    (c)

    September

    (d)

    December

  13. Air spaces in stems and petioles of ___________ plant are useful for floating in water.

    (a)

    lotus

    (b)

    water lily

    (c)

    water hyacinth

    (d)

    Agare

  14. The __________ forest in South America produces half of the world's oxygen supply.

    (a)

    Taiga

    (b)

    Congo rain

    (c)

    Amazon rain

    (d)

    Darin tree

  15. Which animal has the special organs of breathing called gills

    (a)

    Earthworm

    (b)

    Fox

    (c)

    Fish

    (d)

    frog

  16. Lizards are walk with four legs and is known as

    (a)

    Bipedal

    (b)

    Tripedal

    (c)

    Monopedal

    (d)

    quadripedal

  17. ____________can live for many days without drinking water.

    (a)

    Dog

    (b)

    Elephant

    (c)

    Cow

    (d)

    Camel

  18. Scurvy is caused due to the deficiency of______________.

    (a)

    Vitamin A

    (b)

    Vitamin B

    (c)

    Vitamin C

    (d)

    Vitamin D


  19. _________are required for growth as well as for the regulation of normal body function.

    (a)

    Fat

    (b)

    Protein

    (c)

    Carbohydrate

    (d)

    Minerals

  20. 80% of the world production of Moringa leaves is___________

    (a)

    China

    (b)

    Germany

    (c)

    India

    (d)

    Canada

  21. When was the first computer introduced?

    (a)

    1980

    (b)

    1947

    (c)

    1946

    (d)

    1985

  22. Who is the computer’s first programmer?

    (a)

    Lady Wellington

    (b)

    Augusta ado Lovelace

    (c)

    Mary Curie

    (d)

    Mary Comb

  23. The unit of heat is

    (a)

    newton

    (b)

    joule

    (c)

    volt

    (d)

    celsius

  24. Electricity is produced in

    (a)

    transformer

    (b)

    power station

    (c)

    electric wire

    (d)

    television

  25. __________ is a good conductor

    (a)

    silver

    (b)

    wood

    (c)

    rubber

    (d)

    plastic

  26. When ice melts to form water, change occurs in its

    (a)

    position

    (b)

    colour

    (c)

    state

    (d)

    composition

  27. Drying of wet clothes in air is an example of

    (a)

    Chemical change

    (b)

    Undesirable change

    (c)

    irreversible change

    (d)

    physical change

  28. Air pollution leading to Acid rain is a

    (a)

    reversible change

    (b)

    fast change

    (c)

    natural change

    (d)

    human made change

  29. ____________ is the percentage of nitrogen in air.

    (a)

    78%

    (b)

    21%

    (c)

    0.03%

    (d)

    1%

  30. The constituent of air that supports combustion is _________________

    (a)

    Nitrogen

    (b)

    carbon-di-oxide

    (c)

    Oxygen

    (d)

    water vapour

  31. A ‘control centre’ of the eukaryotic cell is

    (a)

    Cell wall

    (b)

    Nucleus

    (c)

    Vacuoles

    (d)

    Chloroplast

  32. Which one of the following is not an unicellular organism?

    (a)

    Yeast

    (b)

    Amoeba

    (c)

    Spirogyra

    (d)

    Bacteria

  33. Most organelles in a eukaryotic cell are found in the

    (a)

    Cell wall

    (b)

    cytoplasm

    (c)

    nucleus

    (d)

    Vacuole

  34. Main organ of respiration in human body is

    (a)

    Stomach

    (b)

    Spleen

    (c)

    Heart

    (d)

    Lungs

  35. Which one of the following is an example for wireless connections

    (a)

    Wi-Fi

    (b)

    Electric wires

    (c)

    VGA

    (d)

    USB

  36. Pen drive is ___________ device

    (a)

    Output

    (b)

    Input

    (c)

    Storage

    (d)

    Connecting cable

  37. Section - II

    23 x 2 = 46
  38. Arrange in increasing order of unit
    1 Metre, 1 centimetre, 1 kilometre, and 1 millimetre.

  39. How can husk or fine dust particles be separated from rice before cooking?

  40. Give the main difference between a pure substance and an impure substance.

  41. Identify the desert plants from the following - Cactus, Hydrilla, Mango and Rose.

  42. Define the term habitat.

  43. Which structure helps the bird to change its direction while Dying in air?

  44. Differentiate between carbohydrate and protein

  45. What is the main feature of a microorganism?

  46. Write a short note on Data.

  47. Differentiate Hardware and Software.

  48. What is temperature?

  49. Can you produce electricity from lemon?

  50. Circle the odd one out. Give reason for your choice.
    Switch, Bulb, Battery, Generator.

  51. What kind of a change is associated with decaying of a plants?

  52. Define a slow change.

  53. What happens when cane sugar is strongly heated? Mention any two changes in it.


  54. What will happen if we remove the fish from the aquarium and keep it (with green plants) in a dark place?

  55. What will happen if you breathe through mouth?

  56. Who discovered the cell in 1665?

  57. What are the organelles found only in plant cell?

  58. Give any three examples of eukaryotic cell?

  59. What are the three types of blood vessels?

  60. Write any two functions of digestive system.

  61. Section - III

    10 x 3 = 30
  62. A vehicle covers a distance of 400km in 5 hours. Calculate its average speed.

  63. A rubber ball changes its shape on pressing. Can it be called a solid?

  64. List out the plants present in your school garden.

  65. Mention the feature that help a bird to fly is the air?

  66. Distinguish between heat and temperature.

  67. Silver is a good conductor but it is not preferred for making electric wires. Why?

  68. Can deforestation be considered a desirable change? Explain.

  69. Why do traffic assistants wear a mask on duty?

  70. Distinguish between prokaryotic and eukaryotic cells

  71. Differentiate between the voluntary muscles and involuntary muscles.

  72. Section - IV

    13 x 5 = 65
  73. Explain two methods those you can use to measure the length of a curved line.

  74. What is motion? Classify different types of motion with examples.

  75. Fill with examples:

  76. Using suitable apparatus from your laboratory separate the mixture of chalk powder, mustard oil, water and coins. Draw a flowchart to show the separation process.

  77. Make a list of the functions of root and stem.

  78. Tabulate the vitamins and their corresponding deficiency diseases.

  79. Explain in detail the Applications of computer.

  80. Suppose your normal body temperature were lower than what it is. How would the sensation of hot and cold change?

  81. Write short notes on conductors and insulators.

  82. Give one example in each case that happens around you.
    a. Slow and fast change
    b. Reversible and irreversible change
    c. Physical and chemical change
    d. Natural and man-made change
    e. Desirable and undesirable change

  83. Can you guess why fire extinguishers throw a stream of carbon-di-oxide while putting - off fire?

  84. Draw a neat labelled diagram of a prokaryotic cell.

  85. List out the functions of Endocrine system and Nervous system.

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