GENERAL SCIENCE QUIZ FOR SSC AND RRB EXAMS

1.The power of a lens is measured in : 

[A]diopters 

[B]aeon 

[C]lumen 

[D]candela  

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

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 

4.The instrument that measures arterial blood pressure is known as :

[A]Pyknometer 

[B]Hypsometer 

[C]Sphygmoscope 

[D]Sphygmomanometer 

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 

6.Gammaxene, D.D.T. and Bleaching powder are important compounds of :

[A]Chlorine

[B]Nitrogen 

[C]Sulphur 

[D]Phosphorus 

7.’Amalgam’ is a term used for an alloy of a metal with : 

[A]Copper 

[B]Mercury 

[C]Lead 

[D]Aluminium  

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  

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  

10.’Penicillin’ which is used as an antibiotic is obtained from : 

[A]Bacteria 

[B]Fungi 

[C]Algae 

[D]Lichens 

Answers Key:

1. (A)

2. (A)

3. (B)

4. (D)

5. (B)

6. (A)

7. (B)

8. (D)

9. (D)

10.(B)