TNPSC Exams: Important General Science Question and Answers-Part-05

This Quiz is posted with the sole aim of guiding the aspirants of TNPSC Exam to the path of success. To sharpen the edges of your own intelligence and practice, in a structured and concrete manner to ensure you definite Success in your endeavor and will Pave your way for a successful career.All the very best...... Knock the door of success......

1.  Twinkling of stars is due to ______.
   1.  different speed of different colours of light
   2.  atmospheric refraction
   3.  reflection
   4.  dispersion
   
   
2. Which phenomena is used to produce large currents ?
   1.  Magnetic induction
   2.  Friction
   3.  Electromagnetic induction
   4.  Electrostatic induction 
   
   
3. _________  discovered the circulation of blood in man.
   1.  William Harvey
   2.  Winson George
   3.  Louis Pasteur
   4.  Alexander Fleming
   
   
4. How many moles are represented by 36 g of water?
   1.  5
   2.  8
   3.  2
   4.  4
   
   
5. Terminilization takes place in the stage of meiosis I ________.
   1.  diplotene
   2.  diakinesis
   3.  zygotene
   4.  pachytene
   
   
6. Gram molecular mass of carbon dioxide is _______ gm.
   1.  48
   2.  44
   3.  42
   4.  46
   
   
7. Identify the monoatomic and diatomic species from the following pairs ______.
   1.  helium and neon
   2.  helium and oxygen
   3.  hydrogen and chlorine
   4.  Chlorine and ozone
   
   
8.  Roentgen is the unit of _______.
   1.  speed of nuclear reaction
   2.  intensity of radiation
   3.  nuclear activity
   4.  radiation exposure
   
   
9. The phenomenon of radio activity was discovered by _________.
   1.  Marie Curie
   2.  Otto Hahn  
   3.  Rutherford
   4.  Henry Becquerel
   
   
10. The fruit wall is called _________.
    1.  pericarp
    2.  endocarp
    3.  mesocarp
    4.  epicarp
    
    

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