10th Standard Science English Medium Free Online Test Creative 1 Mark Questions Part - Two

10th Standard

    Reg.No. :
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Science

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

    Part A

    20 x 1 = 20
  1. The physical quantity which is the measure of inertia is _______

    (a)

    density

    (b)

    weight

    (c)

    force

    (d)

    mass

  2. The value of g

    (a)

    increases as we go above the earth's surface

    (b)

    decreases as we go to the centre of the earth

    (c)

    remains constant

    (d)

    is more at equator and less at poles

  3. A star appears twinkling in the sky because of ______ by the atmosphere.

    (a)

    scattering of light

    (b)

    reflection of light

    (c)

    refraction oflight

    (d)

    both a and b

  4. To heavenly objects like stars ______ is used

    (a)

    Simple microscope

    (b)

    Compound microscope

    (c)

    Terrestrial

    (d)

    Astronomical

  5. At constant temperature volume is inversely proportional to pressure of a gas is known as

    (a)

    Boyle's law

    (b)

    Charles

    (c)

    Avogadro

    (d)

    None

  6. The resistance of a conductor is inversely proportional to its _______.

    (a)

    Volt

    (b)

    Length

    (c)

    Area

    (d)

    None ofthe above

  7. In which one of the following heating effect the current is undesirable?

    (a)

    electric iron

    (b)

    electric motor

    (c)

    fuse wire

    (d)

    electric bulb

  8. Sound waves in air are ________.

    (a)

    Transverse

    (b)

    longitudinal

    (c)

    both a &b

    (d)

    none

  9. A chain reaction is continuous due to

    (a)

    large mass defect

    (b)

    large energy

    (c)

    production of more neutrons in fission

    (d)

    None of these

  10. _________ are used to control the chain reaction.

    (a)

    Control rods

    (b)

    Moderators

    (c)

    Coolants

    (d)

    Neutron source

  11. The relative atomic masses of many elements are not whole number because

    (a)

    they are not determined accurately

    (b)

    they exist as isotopes

    (c)

    due to impurities

    (d)

    atoms ionize

  12. Atomicity of Sulphur is

    (a)

    1

    (b)

    2

    (c)

    4

    (d)

    8

  13. 40 g of sodium chloride in 100 g of water at 250 C forms ________ solution.

    (a)

    Super saturated

    (b)

    Unsaturated

    (c)

    Saturated

    (d)

    Both (a) and (b)

  14. Pick out
    Compound + element ⟶ compound type of combination reaction

    (a)

    PCl5 ⟶ PCl3 + Cl2

    (b)

    Mg + O2 ⟶ 2MgO

    (c)

    PCl3 + Cl2 ⟶ PCl5

    (d)

    2Na + Cl2 ⟶ 2NaCl

  15. General molecular formula of alkynes is ___________.

    (a)

    CnH2n+2

    (b)

    CnH2n

    (c)

    CnH2-n-2

    (d)

    CnH2n+1

  16. The organic acid present in Vinegar is ___________ acid.

    (a)

    methanoic

    (b)

    ethanoic

    (c)

    Propanoic

    (d)

    Butanoic

  17. Egg cells of Rabbit are released in_________

    (a)

    uterus

    (b)

    vagina

    (c)

    fallopian tube

    (d)

    ovary

  18. Salt added to pickles brings about__________

    (a)

    diffusion

    (b)

    plasmolysis

    (c)

    imbibition

    (d)

    translocation

  19. Neurons do not have the ability to _____

    (a)

    multiply

    (b)

    divide

    (c)

    regenerate

    (d)

    receive

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