7th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 9

7th Standard

    Reg.No. :
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Science

Time : 00:20:00 Hrs
Total Marks : 20

    Part A

    20 x 1 = 20
  1. Two spheres have equal mass and volume in the ratio 2:1. The ratio of their density is

    (a)

    1:2

    (b)

    2:1

    (c)

    4:1

    (d)

    1:4

  2. The maximum volume of liquid that a continer can hold is _________

    (a)

    area

    (b)

    volume

    (c)

    capacity

    (d)

    density

  3. From the given v-t graph it can be inferred that the object is

    (a)

    in uniform motion

    (b)

    at rest

    (c)

    in non uniform motion

    (d)

    moving with uniform acceleration

  4. Velocity-time graph of an object is given below the object has

    (a)

    uniform velocity

    (b)

    uniform retardation

    (c)

    uniform speed

    (d)

    variable retardation

  5. The metals which is a liquid at room temperature

    (a)

    Chlorine

    (b)

    Sulphur

    (c)

    Mercury

    (d)

    Silver

  6. Amolecule which contains only one atom is called _________ molecule

    (a)

    monoatomic

    (b)

    diatomic

    (c)

    triatomic

    (d)

    none

  7. The atomic number of an atom is ________

    (a)

    Number of neutrons

    (b)

    Number of protons

    (c)

    Total number of protons and neutrons

    (d)

    Number of atoms

  8. Reproductive part of a plant is

    (a)

    Root

    (b)

    Stem

    (c)

    Leaf

    (d)

    Flower

  9. Our living place should be

    (a)

    Open

    (b)

    Closed

    (c)

    Clean

    (d)

    Unclean / Untidy

  10. Which technology shows the computer-drawn pictures as real picture.

    (a)

    Inkscape

    (b)

    Photo Story

    (c)

    Virtual Reality

    (d)

    Adobe Illustrator

  11. Mercury is often used in laboratory thermometers because it ___________

    (a)

    is a harmless liquid

    (b)

    is silvery in colour and is attractive in appearance

    (c)

    Expands uniformly

    (d)

    is a low cost liquid

  12. ___________ of the following are endothermic changes.

    (a)

    Condensation and melting

    (b)

    Condensation and freezing

    (c)

    Evaporation and melting

    (d)

    Evaporation and freezing

  13. _______ helps in cell division

    (a)

    Endoplasmic reticulum

    (b)

    Golgi complex

    (c)

    Cnetrivole

    (d)

    Nucleus

  14. The binomial name of pigeon is _________

    (a)

    Homo sapiens

    (b)

    Rattus rattus

    (c)

    Mangifera indica

    (d)

    Columbo livia

  15. Tux Math software helps in learning the ________

    (a)

    Painting

    (b)

    Arithmetic

    (c)

    Programming

    (d)

    Graphics

  16. You can see your image in polishedfloors, but not in wooden table because_______

    (a)

    regular reflection takes place in wooden table and irregular reflection in polished floor.

    (b)

    regular reflection takes place in polished floor and irregular reflection in wooden table.

    (c)

    regular reflection takes place in both polished floor and wooden table

    (d)

    irregular reflection takes place in both polished floor and wooden table

  17. The galaxy containing young and hot stars is

    (a)

    elliptical galaxy

    (b)

    irregular galaxy

    (c)

    cluster

    (d)

    spiral galaxy

  18. ____________ is a non-biodegradable material

    (a)

    Paper

    (b)

    A plastic bottl

    (c)

    Cotton cloth

    (d)

    Wool

  19. Which is the hottest part in the flame of candle_________

    (a)

    Blue

    (b)

    Yellow

    (c)

    Black

    (d)

    Way part

  20. How many types of page orientation are there in Libre office Writer?

    (a)

    1

    (b)

    2

    (c)

    3

    (d)

    4

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