7th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Three

7th Standard

    Reg.No. :
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Science

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

    Part A

    20 x 1 = 20
  1. SI unit of density is

    (a)

    kg/m2

    (b)

    kg/m3

    (c)

    kg/m

    (d)

    g/m3

  2. The SI unit of speed is __________

    (a)

    m/s2

    (b)

    m/s

    (c)

    km/h

    (d)

    m2/s

  3. Which of the following is correct

    (a)

    magnitude of displacement may be greater than distance

    (b)

    Distance is always greater than or equal to the magnitude of displacement.

    (c)

    Distance is always greater than the magnitude of displacement.

    (d)

    Both are scalar quantities.

  4. Which of the following is a short and scientific way of representing one molecule of an element or compound?

    (a)

    Mathematical formula

    (b)

    Chemical formula

    (c)

    Mathematical symbol

    (d)

    Chemical symbol

  5. The smallest unit of an element is _____________

    (a)

    atom

    (b)

    molecule

    (c)

    compound

    (d)

    none

  6. _________ is used for making mobile phones

    (a)

    Sodium

    (b)

    Copper

    (c)

    Gold

    (d)

    Gallium

  7. Who discovered the existence of the negatively charged particles is an atom?

    (a)

    John Dalton

    (b)

    Rutherford

    (c)

    Neils Bohr

    (d)

    J.J. Thomson

  8. 126C Here 6 represents atomic number. What does 12 represent?

    (a)

    protons

    (b)

    electrons

    (c)

    neutrons

    (d)

    mass number

  9. Reproductive part of a plant is

    (a)

    Root

    (b)

    Stem

    (c)

    Leaf

    (d)

    Flower

  10. Centella is an example of __________

    (a)

    Stolon

    (b)

    Runner

    (c)

    Corm

    (d)

    Rhizome

  11. Drinking boiled water can prevent _____________

    (a)

    Tuberculosis

    (b)

    Rabies

    (c)

    Cholera

    (d)

    Chicken pox

  12. Which option is used in the Microsoft Photostory to upload the photos?

    (a)

    Begin a Story

    (b)

    Import Pictures

    (c)

    Settings

    (d)

    View your Story

  13. _____________ is a storage space that contains multiple files.

    (a)

    Folder

    (b)

    File

    (c)

    Record

    (d)

    Archire

  14. In the circuit shown, which switches (L, M or N) must be closed to light up the bulb

     

    (a)

    switch L only

    (b)

    switch M only

    (c)

    Switch M and N only

    (d)

    either switch L or switches M and N

  15. Which part of the cell is called the brain of the cell?

    (a)

    Lysosome

    (b)

    Ribosome

    (c)

    Mitochondria

    (d)

    Nucleus

  16. What is the shortcut key for undo option?

    (a)

    Ctrl + Z

    (b)

    Ctrl + R

    (c)

    Ctrl + Y

    (d)

    Ctrl +N

  17. Which of the following is the best reflector of light?

    (a)

    plastic plate

    (b)

    plane mirror

    (c)

    wall

    (d)

    paper

  18. Which of the following is the strongest?________

    (a)

    Rayon

    (b)

    Nylon

    (c)

    Acrylic

    (d)

    Polyester

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

    (a)

    Blue

    (b)

    Yellow

    (c)

    Black

    (d)

    Way part

  20. The menu is used to save the document

    (a)

    File-> open

    (b)

    file-> print

    (c)

    file-> save

    (d)

    file->close

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