7th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 10

7th Standard

    Reg.No. :
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Science

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

    Part A

    20 x 1 = 20
  1. Which of the following is a derived unit?

    (a)

    mass

    (b)

    time

    (c)

    area

    (d)

    length

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

    (a)

    area

    (b)

    volume

    (c)

    capacity

    (d)

    density

  3. Suppose a boy is enjoying a ride on a marry go round which is moving with a constant speed of 10 m/s. It implies that the boy

    (a)

    at rest

    (b)

    moving with no acceleration

    (c)

    in accelerated motion

    (d)

    moving with uniform velocity

  4. The metals which is a liquid at room temperature

    (a)

    Chlorine

    (b)

    Sulphur

    (c)

    Mercury

    (d)

    Silver

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

    (a)

    monoatomic

    (b)

    diatomic

    (c)

    triatomic

    (d)

    none

  6. _________ Nucleons comprises of

    (a)

    Protons and electrons

    (b)

    Neutrons and electrons

    (c)

    Protons and neutrons

    (d)

    Neutrons and Positron

  7. J.J Thomson's atom model is also called as _____________

    (a)

    Plum pudding model

    (b)

    gold foil

    (c)

    alpha particle

    (d)

    none

  8. The first aid is to

    (a)

    To save money

    (b)

    To prevent scars

    (c)

    To prevent the medical care

    (d)

    To relieve the pain

  9. ____________ is a non communicable disease

    (a)

    small pox

    (b)

    Varicella

    (c)

    Rheumatism

    (d)

    Flu

  10. Which technology uses pixels to create pictures

    (a)

    Vector

    (b)

    Raster

    (c)

    both

    (d)

    None

  11. Linux is an example of

    (a)

    Operating systems

    (b)

    system software

    (c)

    Programs

    (d)

    file

  12. 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

  13. ___________ of the following are endothermic changes.

    (a)

    Condensation and melting

    (b)

    Condensation and freezing

    (c)

    Evaporation and melting

    (d)

    Evaporation and freezing

  14. _______ helps in cell division

    (a)

    Endoplasmic reticulum

    (b)

    Golgi complex

    (c)

    Cnetrivole

    (d)

    Nucleus

  15. The binomial name of pigeon is _________

    (a)

    Homo sapiens

    (b)

    Rattus rattus

    (c)

    Mangifera indica

    (d)

    Columbo livia

  16. Tux Math software helps in learning the ________

    (a)

    Painting

    (b)

    Arithmetic

    (c)

    Programming

    (d)

    Graphics

  17. Sivarajan placed a meter stick in the playground at 7.00 am in the morning. How will the shadow of the stick at noon look in comparison to the one in the morning.

    (a)

    There will be no shadow

    (b)

    The shadow will be longer and on the opposite side as the sun

    (c)

    The shadow will be shorter and on the same side as the sun

    (d)

    The shadow will be shorter

  18. With the launch of this satellite, ISRO became capable of launching 4 ton heavy satellites.

    (a)

    GSAT- 13

    (b)

    GSAT- 14

    (c)

    GSAT- 17

    (d)

    Way par GSAT- 19

  19. PET is the acronym for______

    (a)

    Polyester

    (b)

    Polyester and ter

    (c)

    Polyethylene tereph

    (d)

    Polyetheneterylene

  20. If the ruler is not displayed in the screen, _______ option is clicked

    (a)

    View-> ruler

    (b)

    view-> task

    (c)

    file-> save

    (d)

    edit->paste

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