Quiz 632: General Science for SSC Examinations

1. The power of a lens is measured in :
[A] diopters
[B] aeon
[C] lumen
[D] candela

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2. Which one of the following types of Laser is used in Laser Printers?
[A] Semiconductor laser
[B] Excimer Laser
[C] Dye Laser
[D] Gas Laser

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3. Albert Einstein was awarded Nobel Prize for his path-breaking research and formulation of the:
[A] Theory of Relavitity
[B] Laws of Photo-Electric Effect
[C] Principle of Wave-Particle Duality
[D] Theory of Critical Opalescence

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4. The instrument that measures arterial blood pressure is known as :
[A] Pyknometer
[B] Hypsometer
[C] Sphygmoscope
[D] Sphygmomanometer

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5. L.P.G. is a hydrocarbon consisting of a mixture of :
[A] Methane and Butane
[B] Propane and Butane
[C] Ethane and Propane
[D] Ethane and Butane

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6. Gammaxene, D.D.T. and Bleaching powder are important compounds of :
[A] Chlorine
[B] Nitrogen
[C] Sulphur
[D] Phosphorus

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7. Amalgam’ is a term used for an alloy of a metal with :
[A] Copper
[B] Mercury
[C] Lead
[D] Aluminium

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8. Which of the following substances undergo ‘sublimation’ on heating
1.Iodine
2.Napthalene
3.Camphor
[A] 1 and 2
[B] 1 and 3
[C] 2 and 3
[D] All of them

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9. Consider the following Statements:

  1. Radon is the heaviest gas.
  2. Astatine is the rarest element on the earth.
  3. Graphite which is a non-metal is also an electrical conductor.

Which among the above Statement(s) is/are correct?

[A] Only 2
[B] 1 and 2
[C] 2 and 3
[D] 1, 2 and 3

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10. Penicillin’ which is used as an antibiotic is obtained from :
[A] Bacteria
[B] Fungi
[C] algae
[D] Lichens

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