TNPSC Science Quiz 3

TNPSC General Science Quiz  3

This quiz covers selected and important questions and answers of General Science Subject. All the Best....

1. Old-written material, which cannot be read easily can be read by?
   1.  Ultraviolet rays
   2.  Cosmic Rays
   3.  Infra Red rays
   4.  None of these
   
   
2. The high temperature superconductors are?  
   1.  Organic Polymers
   2.  Metal alloys
   3.  Inorganic polymers
   4.  Ceramic oxides
   
   
3.  Which of the following gas is not known as green house gas?
   1.  Nitrous oxide 
   2.  Methane
   3.  Carbon dioxide
   4.  CFC
   
   
4. Radioactive disintegration of Uranium ultimately results in formation of?
   1.  Thorium
   2.  Radium
   3.  Lead
   4.  Polonium
   
   
5. Enzymes generally have?
   1.  same pH and temperature optima
   2.  same pH but different temperature optima
   3.  different pH and temperature optima
   4.  different pH but same temperature optima
   
   
6. One of these vitamins is called erythrocyte maturation factor?
   1.  D
   2.  B₁₂
   3.  A
   4.  C
   
   
7. An element that does not occur in nature but can be produced artificially is?
   1.  Plutonium
   2.  Decantationl
   3.  Uranium
   4.  Thorium
   
   
8. In an atomic explosion enormous energy is released which is due to the?
   1.  Conversion of mechanical energy into nuclear energy
   2.  Conversions of neutrons into protons
   3.  Conversion of chemical energy into nuclear energy
   4.  Conversion of mass into energy
   
   
9. Antidiuretic hormone (ADH)?
   1.  causes an increase in the blood pressure
   2.  inhibits the secretion of growth hormone by the pituitary
   3.  causes the muscular walls of the arterioles to contract that simulates the reabsorption of water from the kidney tubules.
   4.  inhibits the rate of heart beat
   
   
10. The hormone which stimulates milk production in mammal is known as?
    1.  progesterone
    2.  oestrogen
    3.  Glucagon
    4.  prolactin
    
    

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