6th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 4

6th Standard

    Reg.No. :
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Science

Time : 00:10:00 Hrs
Total Marks : 10

    Part A

    10 x 1 = 10
  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. Lighter impurities like dust, when mixed with rice or pulses, can be removed by __________

    (a)

    filtration

    (b)

    sedimentation

    (c)

    decantation

    (d)

    winnowing

  3. The habitat of water hyacinth

    (a)

    Aquatic

    (b)

    Terrestrial

    (c)

    Desert

    (d)

    Mountain

  4. 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

  5. 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

  6. Who is the father of computer?

    (a)

    Martin Luther King

    (b)

    Graham Bell

    (c)

    Charlie Chaplin

    (d)

    Charles Babbage

  7. An iron ball at 50°C is dropped in a mug containing water at 50o C. The heat will

    (a)

    flow from iron ball to water.

    (b)

    not flow from iron ball to water or from water to iron ball.

    (c)

    flow from water to iron ball.

    (d)

    increase the temperature of both.

  8. Formation of curd from milk is

    (a)

    a reversible change

    (b)

    a fast change

    (c)

    an irreversible change

    (d)

    an undesirable change

  9. Nitrogen is used in the food packaging industry because it ________________

    (a)

    provides colour to the food

    (b)

    provides oxygen to the food

    (c)

    adds proteins and minerals to the food

    (d)

    keeps the food fresh

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

    (a)

    Wi-Fi

    (b)

    Electric wires

    (c)

    VGA

    (d)

    USB

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