7th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 3

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 maximum volume of liquid that a continer can hold is _________

    (a)

    area

    (b)

    volume

    (c)

    capacity

    (d)

    density

  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. Amolecule which contains only one atom is called _________ molecule

    (a)

    monoatomic

    (b)

    diatomic

    (c)

    triatomic

    (d)

    none

  6. _______ is positively charged.

    (a)

    Proton

    (b)

    Electron

    (c)

    Molecule

    (d)

    Neutron

  7. The average diameter of an atom is ____________

    (a)

    10-8 m

    (b)

    1 m

    (c)

    1 Ao

    (d)

    10-5 m

  8. Neutron was discovered by _____________

    (a)

    Dalton

    (b)

    J.J. Thomson

    (c)

    Chadwick

    (d)

    Rutherford

  9. Reproductive part of a plant is

    (a)

    Root

    (b)

    Stem

    (c)

    Leaf

    (d)

    Flower

  10. 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

  11. In thermometer when bulb comes in contact with hot object, liquid inside it

    (a)

    expands

    (b)

    contracts

    (c)

    remains same

    (d)

    none of above

  12. 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

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

    (a)

    Lysosome

    (b)

    Ribosome

    (c)

    Mitochondria

    (d)

    Nucleus

  14. The largest division of the living world is __________

    (a)

    Order

    (b)

    Kingdom

    (c)

    Phylum

    (d)

    Family

  15. What is the shortcut key for undo option?

    (a)

    Ctrl + Z

    (b)

    Ctrl + R

    (c)

    Ctrl + Y

    (d)

    Ctrl +N

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

    (a)

    plastic plate

    (b)

    plane mirror

    (c)

    wall

    (d)

    paper

  17. If the Moon is appeaing in the sky today near the star Karthikai , the position of the Mon after 27 days is near the star

    (a)

    Bharani

    (b)

    Karthikai

    (c)

    Rohini

    (d)

    Asvini

  18. Which of the following is the strongest?________

    (a)

    Rayon

    (b)

    Nylon

    (c)

    Acrylic

    (d)

    Polyester

  19. Sorter’s Disease is otherwise known as________

    (a)

    Asthma

    (b)

    Anthrax

    (c)

    Typhoid

    (d)

    Cholera

  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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